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Awesome Polars

A curated list of Polars talks, tools, examples & articles. Contributions welcome !

1.1k stars72 forks313 entriesLast push Sep 28, 2026 (2 days ago)License CC0-1.0

This page lists names, links and short descriptions. The original list on GitHub is the source and belongs to its authors.

General

Polars

is a lightning-fast DataFrame library for Rust, Python, Node.js and R. Implemented in Rust, Polars uses Apache Arrow Columnar Format as the memory model.

Official documentation

Documentation

Official user guide for Python, Rust and R.

Documentation for Python API

Official API Reference for Python.

Documentation for Rust API

Official API Reference for Rust.

Documentation for Node.js API

Official API Reference for Node.js.

Shared library plugins for Polars

.

Documentation for R API

Official API Reference for R.

Github: Polars Github Organization

Official Polars Github repository.

Blog posts from Polars

Official blogs posts from Polars.

Keynote on Polars at EuroSciPy 2023

⏳ 57 min - Talk by @ritchie46 that dives into Polars and sees what makes it so efficient. It will touch on technologies like Arrow, Rust, parallelism, data structures, query optimization and more.

Talk about Polars at EuroPython Conference 2023

⏳ 28 min - Talk by @ritchie46 that introduces Polars and some of its design decisions.

Libraries/Packages/Scripts >Polars plugins

polars_io

Lazily read Stata, SAS, and fixed-width files in Polars by @alipatti.

polars_readstat

Polars IO plugin to read SAS, Stata and SPSS file by @jrothbaum.

Working with Polars and XlsxWriter

Guide to using the Python XlsxWriter library with Polars to create Excel reports.

polars_access_mdbtools

Python package for reading tables from an Access database into Polars dataframes, using mdbtools by @DeflateAwning.

polars-root

Polars plugin for reading CERN's ROOT file format by @DanielMaysWilliams.

polars-fastx

Polars plugin for parsing FASTA and FASTQ files into DataFrames by @apcamargo.

polars-redis

Polars IO plugin for Redis - scan hashes, JSON, and other data types as LazyFrames with projection pushdown and RediSearch support by @joshrotenberg.

excelsior

High-performance library for modifying Excel files with Polars.

polars-mongo

Polars IO plugin that extends polars to read from mongodb collections via the LazyFrame apis by @AThomas314.

polars-io-tools

Polars plugin extending lazy execution and predicate pushdown across external data sources (SQL, ClickHouse, Datadog, Delta Lake) by @Point72.

tidypolars

tidypolars python library built on top of polars library that gives access to methods and functions familiar to R tidyverse users.

Ibis Python package for Polars

Ibis is a Python library that provides a lightweight, universal interface for data wrangling. It can be used with Polars.

pyjanitor

Python package that provides a clean API for cleaning Polars DataFrame @pyjanitor-devs.

catfact

Python package for working with categorical data in Polars DataFrames by @machow.

polars-permute-plugin

Polars plugin for easily reordering DataFrame columns by @lmmx.

polars-schema-index

Polars plugin for flattening nested data by @lmmx.

polars-expr-hopper

Polars plugin providing a hopper of expressions for automatic, schema-aware application by @lmmx.

diffly

Python utility for programatically identifying differences between Polars DataFrames including schema differences, row-level mismatches, and column value changes by @Quantco.

pl-compare

Compare Dataframes to find difference in the schemas, rows and column values by @concur1.

polarstation

Helper functions to simplify creating and working with Enums by const-ae.

polars-h3

Efficient hexagonal indexing for large-scale geospatial analysis by @Filimoa.

polars-reverse-geocode

This plugin is an offline reverse geocoder for finding the closest city to a given (latitude, longitude) pair by @MarcoGorelli.

polars-st

Polars plugin that provides geographical/spatial operations on Polars DataFrames, Series, and Expressions by @Oreilles.

In 2 lists

polars-coord-transforms

Polars plugin for coordinates transformation and extractions features by @georgypv.

PyCanopy

high-performance spatial query layer for Polars, competitive with industry SQL tools in performance

In 2 lists

polars-validator

Polars plugin that makes Polars DataFrames generics by @baggiponte.

iban_validation_polars

A package to facilitate validation of IBANs and getting bank identifier and branch identifier as a Polars plugin by @ericqu.

dataframely

Polars plugin that provides schema and other rule validation for Polars DataFrames by @Quantco.

daffy

Decorator-first DataFrame contracts/validation (columns/dtypes/constraints) at function boundaries. Supports Polars/Pandas/PyArrow/Modin by @vertti.

In 2 lists

truthound

Enterprise data quality framework with 289 validators, auto-profiling, and zero-configuration schema inference by @seadonggyun4.

wimsey

Simple and flexible data contracts library, supports profiling and manually specified contracts in json, yaml or python by @benrutter.

maskops

Native Polars expression plugin for high-speed PII masking and detection, powered by Rust. Supports asterisk masking, HMAC-SHA256 deterministic pseudonymization, and FF3-1 format-preserving encryption. GDPR Art. 4(5)-compliant by @fcarvajalbrown.

polars-url

Polars plugin to parse/extract fields from urls by @condekind.

polars_iptools

Polars plugin for IP address parsing and enrichment including geolocation by @erichutchins.

polars-textproc

Polars plugins to apply gopher repetetition penalties and fasttext classifiers to text data by @Apsod.

polars-distance

Polars plugin for text similarity/pairwise distance functions by @ion-elgreco.

polars-fuzzy-match

Python package for fuzzy matching with Polars, i.e. matching text elements that are similar but not exactly identical by bnm3k.

polars-strsim

Polars plugin that computes string similarity measures directly on a Polars dataframe by @foxcroftjn.

polars_sim

Polars plugin that implements fast approximate joins on string columns for polars dataframes by @schemaitat.

polars-ts

Polars Time Series Extension that offers a wide range of metrics, feature extractors, and various tools for time series forecasting by @drumtorben.

polars-talib

Polars extension for Ta-Lib - support Ta-Lib functions in Polars expressions by @Yvictor.

polars-xdt

Polars plugin with extra-datetime-related functionalities by @MarcoGorelli.

polars-xdt-docs

Polars plugin for business day arithmetic by @MarcoGorelli.

functime

Machine learning Python package built on Polars for time-series predictions by @functime-org. According to the developpers, it's the world's fastest and most feature-full machine learning forecasting library !

In 2 lists

polars-ml

Polars plugin for machine learning by @barak1412.

polars-candle

Polars plugin for running candle ML models on Polars DataFrames by @wdoppenberg.

polars-ds

Polars extension for general data science use cases by @abstractqqq.

polars-fastembed

Polars plugin for embedding DataFrames by @lmmx.

retrofit

Machine learning framework built with Polars by @AdrianAntico.

tubular

Scikit-learn pipeline compatible pre-processing steps by @azukds.

In 2 lists

polar_llama

Polars plugin for interacting with LLMs in Polars by @daviddrummond95.

polars-skills

Official AI agent skills by @polars-inc.

polars-mcp

A local MCP server for live API lookup against your installed Polars version by @r-brink.

polar-whichlang

Polars plugin for fast language identification by @rmalouf.

polars-sbert

Polars plugin for embedding data with Sentence Transformers by @lmmx.

polars-trading

A collection of helpful polars plugins and functions for market data processing by @ngriffiths13.

polars_plugin_option_pricing

Polars plugin exposing rust crate option-pricing by @oscar6echo.

polars-order-book

Polars plugin for enriching orderbook data with best bid and offer information by @ChristopherRussell.

polars-fin

Polars plugin to calculate financial metrics by @LVG77.

polars-bloomberg

Polars plugin that extracts Bloomberg’s financial data directly into polars.DataFrame by @MarekOzana.

jquantstats

Polars/Narwhals-centric tool for the analysis of financial time series data by @tschm.

polars-backtest

Polars extension for high-performance portfolio backtesting with Rust, Arrow, T+1 execution, and trade reports by @Yvictor.

quantwave

Polars-native technical analysis (221 indicators), execution-aware backtesting, and batch/streaming parity with a Rust core and agent skill by @lavs9.

In 3 lists

httpolars

Polars plugin for HTTP operations on columns by @lmmx.

polars_ols

Polars plugin that enables fast linear model Polar expressions by @azmyrajab.

polars-pairing

Polars plugin that provides pairing functions that encode two natural numbers into a single natural number by @apcamargo.

polars_rng

Random number generation in Polars via the expression API by @alipatti.

polars-stats

Polars expression plugin that exposes scipy.stats-style probability distributions by @FBruzzesi.

polars for Python

Python polars package to use polars DataFrame from Python.

In 10 listsDetails

polars-utils

Collection of utilities for data exploration and analysis with Polars DataFrames by @junghoon-son.

polars_list_utils

Polars extension that provides a set of utilities for working with List-type columns in Polars DataFrames by @dashdeckers.

harley

Polars helper methods to enhance developer productivity by @TomBurdge.

polars-config-meta

Polars plugin for persistent DataFrame-level metadata by @lmmx.

polars_streaming_csv_decompression

Polars IO plugin for reading compressed CSV/TSV files in a streaming fashion by @ghuls.

life_polars_plugin

Polars plugin to showcase some features of the plugin system by @condekind.

polars-avro

Polars plugin for reading and writing avro files by @hafaio.

Narwhals

Python files that provides an extremely lightweight compatibility layer between Polars, Pandas, cuDF, and Modin by @narwhals-dev.

In 3 lists

polars-upgrade

Python package that automatically upgrades your Polars code so it's compatible with future versions by @MarcoGorelli.

turtle-island

A lightweight utility library for writing Polars Expressions by @jrycw.

polars-argpartition

Polars plugin that implements the argpartition function by @GiovanniGiacometti.

polars-path

Polars plugin with filesystem path utilities by @gorkaerana.

polars-genson

Fast JSON schema inference with support for Polars DataFrames by @lmmx.

polars-extensions

Polars plugin that extends the capabilities of Polars with functionalities that are not currently found in Polars by @jrasband-dev.

polars-nexpresso

Polars plugins for generating Polars expressions to work with nested data structures by @heshamdar.

polarsFE

Polars plugins with helper functions for feature engineering, using Polars by @AdrianAntico.

polars-row-collector

Facade to collect rows one-by-one into a Polars DataFrame with minimal overhead by @DeflateAwning.

polars-map

Polars extension that provids a Map extension type and functions by @hafaio.

polars_kde

Polars plugin for kernel density estimation by @schemaitat.

polarscope

Polars plugin for quick data summary, cleaning and visualization of Polars dataframes by @pytoned.

seaborn_polars

Python package to plot Polars DataFrames and LazyFrames with seaborn by @pavelcherepan.

QuickEcharts

Python package for fast and easy echarts with Polars backend by @AdrianAntico.

flowview

A visual debugger that shows what happens at each step of your Polars DataFrame transformations in the terminal. By @guillermodotn.

flexviz

Python library for interactive, cross-filterable charts on 100M+ rows, powered by lazy Polars aggregations and Rust kernels by @jvdd.

In 4 listsDetails

polars-finance

A collection of Python Polars plugins and functions for market data processing by @ngriffiths13.

polars_encryption

Polars plugin that extends Polars with encryption algorithm AES-GSM-SIV by @zlobendog.

polars-bio

Polars plugin for large-scale genomic analyses which is easy to use and considerably faster and more scalable than existing alternatives by @biodatageeks.

polars_istr

Python package for Processing IBAN, ISINs, URLs and other standard format data in Polars by @abstractqqq.

polars_hash

Python package that provides stable hashing functionality across different Polars versions by @ion-elgreco.

polars_ta

Python package that provides technical indicator operators rewritten in Polars by @wukan1986.

photoshoot

A pytest plugin library for doing snapshot testing with Polars DataFrames by @ngriffiths13.

cerburus

Python package that prints Polars DataFrames with hierarchical headers by @rhshadrach.

polars-graphframes

Polars plugin for interconnection of graphs and networks with Frames by @t-ded.

polars-phonetics

Polars plugin for phonetic algorithms by @LeCodeMinister.

polars-holidays

Polars plugin for determining if a date is a holiday by @mrjsj.

polars-cache

Polars plugin to automatically cache the result of expensive queries to disc by @alipatti.

pl_series_hash

Fast series hashing for polars, useful for caching by @paddymul.

raffalib-python

STATA-like logging capabilities by @raffaem.

immunum-polars

high-performance plugin for antibody segmentation and numbering, with up to 1,000,000 antibodies per second on 48-core CPU machine.

polarise

A Polars-native DataFrame styling tool for HTML visualization by @egayer.

Libraries/Packages/Scripts >Rust

polars for Python

Python polars package to use polars DataFrame from Python.

In 10 listsDetails

Polars CLI

Polars CLI is a command line interface for running SQL queries with Polars as backend.

GeoPolars

Geopolars pre-alpha Rust crate that extends the Polars DataFrame library for use with geospatial data (not in active development - see top of readme).

plotlars

plotlars is a Rust library designed to facilitate the integration between the Polars data analysis library and Plotly library.

iban_validation_polars

A package to facilitate validation of IBANs and getting bank identifier and branch identifier as a Polars plugin by @ericqu.

Libraries/Packages/Scripts >R

rpolars for R

R rpolars package to use polars DataFrame from R.

tidypolars for R

tidypolars package to use polars with tidyverse syntax.

polarssql

polarssql experimental package which is a DBI-compliant interface to Polars.

r-polars-dashboard

Dashboard comparing r-polars and py-polars APIs.

neo-r-polars

Next generation of Polars R API.

Libraries/Packages/Scripts >Go

go-polars

This project creates Go bindings for Polars.

Libraries/Packages/Scripts >Node.js

nodejs-polars for Node.js

Node.js nodejs-polars package to use polars DataFrame from Node.js.

Libraries/Packages/Scripts >Scala/Java

scala-polars for Scala and Java

Scala - Java scala-polars is a library for using Polars in Scala and Java projects by @chitralverma.

Libraries/Packages/Scripts >Ruby

polars for Ruby

Ruby polars-df gems to use Polars with Ruby.

Libraries/Packages/Scripts >.NET

Polars.NET

C# - F# Polars.NET is a library to bring polars to .NET ecosystem, with idiomatic C# Polars.NET and F# Polars.FSharp API nuget packages provided.

Tools Built with Polars

polars-explorer

A tool that aims to provide a lightweight GUI to data exploration/manipulation tasks using Rust Polars by @brutusyhy.

polars-mas

A CLI tool and Python library meant to perform large scale multiple association tests, primarily seen in academic research by @idinsmore1.

octopolars

Pull, filter, and walk a GitHub user's repositories with Polars by @lmmx.

table-diff

A tool to generate HTML/Markdown reports highlighting the differences between similar tables by @parker-research.

polars-query-dev-complexity

A lightweight tool for measuring the authoring complexity of Polars LazyFrame queries by @fran6w.

Flowfile

A visual ETL tool that builds Polars pipelines on a drag-and-drop canvas or through a Polars-like Python API, with export back to standalone Polars code, by @edwardvaneechoud.

Ciaren

A local-first visual ETL and ML workflow builder that runs flows on pandas or Polars and exports readable Polars or lazy Polars code, by @ciaren-labs.

Resources >Cheat Sheets

Polars Cheat Sheet

A Polars Cheat Sheet by @FranzDiebold.

Cheatsheet for Pandas to Polars

A Cheat Sheet that shows how to convert some familiar Pandas commands to Polars by @braaannigan.

Python Polars: The Definitive Cheatsheet

Quick reference guide for transforming, analyzing, and visualizing data with Python Polars by posit open source.

Resources >Books

Python & Polars: The Definitive Guide

Book on using Python Polars for transforming, summarizing, and visualizing data.

Polars Cookbook

Practical recipes for transforming and manipulating data with Polars.

Effective Polars: Optimized Data Manipulation

Book focused on efficient, idiomatic data manipulation with Polars.

Resources >Tutorials & workshops

Modern Polars

A side by side comparison between Polars and Pandas containing code in both frameworks by @kevinheavey.

A Practical Comparison of Polars and Pandas

A tutorial that showcases several common operations in Pandas and Polars side by side to demonstrate how much easier Polars is by @FlorianWilhelm. There is also an accompanying Jupyter notebook available.

Prise en main de Polars

A notebook tutorial in French that illustrates the main features of Polars by @romaintailhurat and @linogaliana. There is also an accompanying blog post.

Running Polars code distributedly

A page that explains how to rung Polars code distributedly with Fugue by @fugue-project.

Handling Nested Data in Polars: explode() and unnest()

A comprehensive, 2026-updated guide to flattening complex nested JSON structures and arrays natively in Polars.

How to display Polars dataframes with itables

A tutorial that explains how to display Polars dataframes with itables by @mwouts.

Rust Polars: Unlocking High-Performance Data Analysis — Part 1

First part of an article that explores the world of Rust’s Polars and explain some basic concepts of Polars such as Series by @wiseaidev. Code used is available on Github here.

Fast String Processing with Polars — Scam Emails Dataset

A tutorial using Polars to implement a text processing pipeline process by @AntonsRuberts. Code used is available on Github here.

Cookbook Polars for R

A side-by-side comparison of Polars, R base, dplyr and data.table packages by @ddotta.

In 2 lists

Polars Workshop on AWS

A comprehensive workshop comparing Polars to Pandas, exploring a wide range of functions and features by @debnsuma.

Polars cookbook in Python

This cookbook is a fork of the popular pandas-cookbook and has been modified to use the polars library. By @escobar-west, it uses real-world examples with "all the bugs and weirdness that entails."

Data Pipelines with Polars: Step-by-Step Guide

A tutorial that explains how to build data pipelines with Polars by @AntonsRuberts. Code used is available on Github here.

Python Polars: A Lightning-Fast DataFrame Library

A tutorial that shows how to use Polars with Python ecosystem by @hfhoffman1144. Code used is available on Github here.

Polars plugins tutorial

How you (yes, you!) can write a Polars Plugin by @MarcoGorelli.

Scripts and datasets for the O'Reilly book Python Polars: The Definitive Guide

Useful Python notebooks ordered by book chapter by @jeroenjanssens.

Python-Polars-Tips-and-Tricks

Collection of source code demonstrating tips and tricks in Polars by @StuffbyYuki.

(Pretty) big data wrangling with DuckDB and Polars

Documentation that introduces the use of DuckDB and Polars with examples in R and Python by @grantmcdermott.

Introduction course that introduces the concept of DataFrame

with Polars and Python. It also proposes some corrected exercices by @TLouf.

Working With Python Polars

7-lesson online video course that covers various topics related todata manipulation with Polars by @cltrudeau.

#100DaysOfPolars articles

List of articles published by @jorammutenge on linkedin #100DaysOfPolars.

Python Polars Tutorial: A Complete Guide for Beginners

A beginner tutorial to learn how to use Polars in Python by @datacamp.

A tidyverse user's guide to Polars

A practical cookbook for R/tidyverse users learning the Polars DataFrame library for Python. Each section pairs Polars syntax with its dplyr/tidyr/lubridate equivalent so the concepts map directly onto what you already know.

Resources >Blog posts

Using the Polars DataFrame Library

A blog post by Wei-Meng Lee to discover the basics of Polars and how it can be used in place of Pandas.

Why Polars uses less memory than Pandas

A blog post by Itamar Turner-Trauring detailing some techniques to opptimize Pandas memory usage and see how Polars can provide an answer in some cases.

Plodding with Polars in Python

A blog post by @amitrathore that introduces some basic features of Polars.

Polars-lazy

A blog post by @ritchie46 and @jorgecarleitao that introduces Polars' lazy API in Rust.

Series of posts on Polars

A series of blogpost on Polars usage with a lot of useful tricks and information by @braaannigan. Moreover, Liam also has a Data Analysis with Polars course on Udemy.

Youtube videos about Polars

A series of short youtube videos about Polars by @braaannigan

Alternatives to Pandas: Python Polars

An article that explores the Python Polars module as an alternative to Pandas, comparing their similarities and differences and providing some examples by @JohnLockwood

Pandas vs Polars - A comparison on File I/O

A blog post that evaluates Polars and Pandas in terms of I/O performance and speed when handling large datasets by Wes Poulsen.

Why is Polars All The Rage?

An article that explains why Polars will become very popular by SeattleDataGuy and Daniel Beach.

Polars vs Pandas — 4 key concept differences

An article that helps to understand key differences between Pandas and Polars Data Science libraries by @DataScienceDisciple.

Replacing Pandas with Polars. A Practical Guide

A blog post comparing some common functions between Pandas and Polars by @danielbeach. Code used is available on Github here.

Dataframe Showdown – Polars vs Spark vs Pandas vs DataFusion. Guess who wins?

A short article that presents a performance test between Polars, Pandas, Datafusion and Spark on a csv dataset by @danielbeach. Code used is available on Github here.

7 Easy Steps To Switch From Pandas to Lightning Fast Polars And Never Return

A cheat sheet blog post of the most common Pandas operations translated into Polars by BexTuychiev.

Polars for initial data analysis, Polars for production

A blog post that shows how to use Polars for initial data analysis and then effectively in production by @itamarst.

DuckDB vs Polars vs Spark!

An article that performs a benchmark against duckdb/Polars/spark, with varying row count, with swap usage as another metric, in addition to runtime in seconds. Code used is available on Github here.

Benchmarking PySpark Pandas, Pandas UDFs, and Fugue Polars

A blog post that compares the execution time of fugue + Polars, Pandas UDFs and PySpark Pandas by @kvnkho.

Pandas vs. Polars: The Battle of Performance

An another blog post that compares the performance between Pandas and Polars across a range of common data manipulation tasks by @makeuseofcode. Code used is available on Github.

Pandas 2.0 vs Polars: The Ultimate Battle

A blog post that analyzes in terms of Syntax, Speed, and Usability between Pandas 2.0 and Polars 0.17.0 by @priyanshu7401.

Polars - modern data frame library

A blog post that describes why Polars could be a better alternative to pandas, dplyr or data.table by @DSkrzypiec.

The fastest way to read a CSV file in Python

A blog post that compares different ways (including Polars, pyarrow and C) to read a CSV file with Python by Finn Andersen.

Polars in the aRtic!

An another blog post that compares the performance between Pandas and Polars across a range of common data manipulation tasks by @MCodrescu. Code used is available on Github.

A Polars exploration into Kedro

A blog post that explains how Polars can be used instead of pandas in Kedro for your data catalog and data manipulation by @astrojuanlu.

High Performance Data Manipulation in Python: pandas 2.0 vs. polars

A blog post that compares differences between Python pandas 2.0 and Polars libraries by @jcanalesluna.

Lightning-fast queries with Polars

Another blog post that is a good introduction to Polars by @astrojuanlu.

Polars – Laziness and SQL Context.

A blog post that presents two good reasons to adopt Polars : Lazy and SQL Context by @danielbeach.

Exploring Polars - The Lightning-Fast DataFrame Library in Python

A blog post on the basics of Polars by @mddas.

Pandas vs Polars – Speed Comparison

A blog post that compares the performance of Polars, Pandas and Pandas 2.0 by @StuffbyYuki. Code used is available on Github here.

LazyFrame vs DataFrame in Polars – Performance Comparison

A blog post that introduces what LazyFrame is in Polars and its performance gain compared to DataFrame by @StuffbyYuki. Code used is available on Github here.

Querying Polars DataFrames using SQL

A blog post that shows how to use the SQLContext object in Python to query a Polars DataFrame directly using SQL by @weimenglee.

Polars vs Pandas: A Brief Tale of Two DataFrame Libraries

A blog post that compares Polars and Pandas focusing in particular on optional dependencies by @ranggakd.

EDA with Polars: Step-by-Step Guide for Pandas Users (Part 1)

A blog post that describes the main data processing operations with Polars in Python by @AntonsRuberts. Code used is available in this notebook.

EDA with Polars: Step-by-Step Guide to Aggregate and Analytic Functions (Part 2)

A blog post that shows how to perform with Polars and Python some fairly complex aggregates, rolling statistics and more by @AntonsRuberts. Code used is available in this notebook.

Pyspark or Polars — What should you use?

A blog post that explores and breaks down some of the similarities between PySpark and Polars. It provides insights on when to choose one over the other.

Getting Started with the Polars Data Manipulation Library

A blog post that presents some simple features of Polars using Python by Juveriya Mahreen.

8 ways pandas really losing to Polars for quick market data analysis

A newsletter that compares the performance of Polars to Pandas for many common data manipulation techniques by PyQuant News.

All that Polars that Make You Forget Pandas

A blog post that explores some deeper reasons behind the performance gains of Polars over Pandas.

Polars vs Pandas. Inside an AWS Lambda

A blog post that covers the topic of using Polars vs Pandas inside an AWS Lambda to do data processing by @danielbeach. Code used is available on Github here.

DuckDB vs Polars for Data Engineering

A blog post that compares Polars and DuckDB with pipelines for Data Engineering by @danielbeach.

Pandas vs Polars: A database speed test. Who wins?

A blog post that compares the run-time of reading a database into a dataframe using Pandas versus using Polars by Thomas Reid.

Polars and Pandas : What's the difference ?

A blog post that explains how Polars works under the hood and th best use cases for Polars and Pandas by @t-redactyl.

Understanding the Polars nested column types

A blog post that helps to understand how nested column types works in Polars by @braaannigan.

Polars vs DuckDB for Delta Lake ops

A blog post that compares Polars to DuckDB using Delta Lake by @wolliq.

Enhancing Data Analytics with Polars and MinIO

A blog post that explains how to use Polars with Minio’s open-source object storage by @IndexSeek.

Partitioning Polars DataFrame on S3 with Apache Arrow

A blog post that explains how to partition large Polars DataFrames in AWS S3 by Matteo Arellano.

Goodbye Spark. Hello Polars + Delta Lake

An article that presents how to use Polars in addition to Delta Lake by @danielbeach.

How to learn Polars with ChatGPT?

An article that explains how to learn fundamental Polars concepts with ChatGPT by Suhith Illesinghe.

Date and DateTime Manipulation in Polars

A blog post that shows examples of doing a number of date and datetime manipulations in Polars (Python) by @danielbeach. Code used is available on Github here.

Pandas2 and Polars for Feature Engineering

A blog post that compares Pandas2 and Polars for Feature Engineering tasks with Python by @hopswork.

Spark vs Polars. Real-life Test Case

A blog post in which the author tests whether Polars is able to handle "real amounts of data" and "really replace some production Spark workloads." by @danielbeach. Code used is available on Github here.

Using Polars Plugins for a 14x Speed Boost with Rust

A blog post thats shows the use of Polars plugin system for Rust from some concrete examples by @ngriffiths13.

Working with DateTime data in Polars

A blog post to helps you with the main operations that can be done with datetime data by Rielly Griffiths.

Time series Analysis with Polars

A short blog post that explains how to deal with temporal datasets by @gaborschulz. Full helpful notebook available here.

Level Up Your Data Analysis with Polars: A Powerful DataFrame Library for Speed and Efficiency

A blog post that describes the main features of Polars (with benchmarks) by ravi-m.

polars’ Rgonomic Patterns

A blog post that deeps dive into some of the advanced data wrangling functionality in python’s Polars package by @emilyriederer.

Great Tables: The Polars DataFrame Styler of Your Dreams

A post that shows how Great Tables package uses polars expressions to make delightful tables by @machow.

Polars dataframe’s plugins and extensibility: getting started

A post that illustrates the possibility of extending the core Dataframe API of Polars with a few examples by @brunocous.

15 Pandas ↔ Polars ↔ SQL ↔ PySpark Translations

A post that depicts the 15 most common tabular operations in Polars and their corresponding translations in Pandas, SQL and PySpark by @ChawlaAvi.

LazyFrame: Exploring Laziness in Dataframes from Polars in Python

A blog post that introduces LazyFrames with Polars an Python by Manoj Das.

Data Statistics in Polars

A post that explains how to extract insightful information from your data in Polars by Alexandre Petit.

Groupby in Polars

A post that explains how to Learn how to do group data using Polars by Alexandre Petit.

DuckDB vs Polars - Thunderdome.

A blog post that compares Polars and DuckDB with the use of 16 GB of data on a machine of only 4 GB by @danielbeach.

How moving from Pandas to Polars made me write better code without writing better code

A post that describs the process of "Polarification" of code written with Pandas by @duvenagep.

Revisiting a Classic Cheminformatics Paper with Polars: The Wiener Index

A science blog post that uses Polars to track the information for the molecules in DataFrames by @bertiewooster.

How to start using Polars & DuckDB together for data analysis

A post that demonstrates the usage of Polars with DuckDB to perform similar data transformations as is done using Pandas by @sumaniitm.

Anatomy of a Polars Query: A Syntax Comparison of Polars vs SQL

A post that compares Polars syntax to SQL by @bfeif.

Pandas vs. Polars — Time to Switch?

A blog post that compares Polars to Pandas in a series of 4 benchmarks performed on a csv file with 11 million rows by @daradecic.

How to JOIN datasets in Polars … compared to Pandas

A blog post compares dataframe joins in Polars vs Pandas by @danielbeach.

DuckDB vs Polars - Which One Is Faster?

An unofficial benchmark on DuckDB and Polars by @StuffbyYuki.

Pandas vs Polars? Bid Adieu to Pandas and Switch To Polars!

An article that compares Polars to Pandas with a dataset of 1.2 GB. Code used is available on Github here.

Polars vs. Pandas: 30 Comparison Functions

A reminder blog post that compares 30 functions written with Polars and Pandas by Yunuskaradagg.

Polars vs. SQL: When to Choose Python for Your Data Adventures

A blog post that explores some common functions and their counterparts in both Polars and SQL by Yunuskaradagg.

Age of DataFrames II: Polars Edition

A blog post that illustrates the features of Polars through the analysis of a tournament from the video game Age of Empires II by [@woutergins]. Source code available here

Polars: A Modern DataFrame Library

An article that introduces to Polars design and its main features by @gox6.

Mastering Polars: High-Efficiency Data Analysis and Manipulation

An article that provides a comprehensive introduction of Polars, highlighting its features and showcasing practical examples to get started.

Encrypting data with Polars

A post that illustrates how to use the polars_encryption plugin to encrypt data with Polars by @zlobendog.

Case Study Comparing Pandas and Polars with 1 Million Rows Data

An blog post that compares benchmarking scores with the Independent samples t-test and Welch’s t-test using Python.

How to Move From Pandas to Polars

A blog post that explains how to move from Pandas to Polars using Pycharm by [@Cheukting].

Polars: The Must-Know Data Frame Library Every Data Scientist Should Know

A blog post that provides a good first guide to the features of Polars by @AnsaBaby.

Benchmarking energy usage and performance of Polars and pandas

A blog post by the Polars team itself benchmarking Polars and Pandas.

Why I’m Switching to Polars

A blog post that explains the reasons why Ari Lamstein now uses Polars by @arilamstein.

Polars: A Modern DataFrame Library for High-Performance Data Analysis in Python

An article that presents data manipulation operations focusing on eager execution by Ardi Arunaditya.

Using Polars in Rust for high-performance data analysis

An article that looks how to use Polars to build a basic data analysis application, which exposes data sets and querying capabilities via a REST-based Web API by @Mario Zupan.

Pandas vs Polars: Performance Benchmarks for Common Data Operations

A blog post that compares performance on common data operations between Polars and Pandas by Vinod Chugani.

The Polars vs pandas Difference Nobody is Talking About

A blog post that talks about non-elementary group-by aggregations with Polars by @marcogorelli.

Translating Pandas to Polars

A blog post that that proposes 20 code translations from Pandas to Polars by @Rohit-Salunke.

Tutorials about Polars

A list of blog posts on Polars topics by @sparkbyexamples.

How to Deal With Missing Data in Polars

A post that covers practical techniques for managing missing data with Polars by Ian Eyre.

Polars intro

A short demo that introduces the Polars dataframe library through a marimo notebook by @rparkr.

Build a Decision Tree in Polars from Scratch

A post that explains how to build a decision tree with Polars by @tocab. Code used is available on Github here.

Pandas vs Polars: is it time to change?

A post that summarizes the main issues involved in the transition from Pandas to Polars by Michelangelo Florio.

The Complete Guide to Polars for Data Science

A hands-on tutorial that teaches how to load, manipulate, transform and optimize data sets with Polars in Python by @norochalise. Code used is available on Github here.

Pandas vs Polars : Comparaison des performances et de la mémoire

A 2025 benchmark that compares the performance of Polars and Pandas by @moncoachdata. Code used is available on Github here.

Polars for Pandas Users — A Blazing Fast DataFrame Alternative

A tutorial article that shows how to migrate from Pandas to Polars with code examples and performance optimization tips by Vinod Chugani.

Data Validation Libraries for Polars (2025 Edition)

A survey of five Python data validation libraries compatible with Polars, highlighting their strengths and trade-offs for robust data pipeline validation in 2025 by @rich-iannone.

Reshape Data in Polars Efficiently from Wide to Long Form

A blog post list that details efficient transformation for Polars DataFrames from wide to long form by @samukweku.

Polars Boosted My Algorithm's Speed by 25x

A blog post that explains how using Polars increases code execution speed by 25 times compared to Pandas by @hatdropper1977.

DuckDB vs Polars. Wait. DuckDB and Polars

A blog post that helps you choose between Polars and DuckDB based on use cases by @danielbeach.

Pandas vs Polars in 2025 — Should You Finally Make the Switch?

An article that compares performance and features between Polars and Pandas in 2025 by @Gecofer.

How to Use the Polars Library in Python for Data Analysis

An end 2025 beginner-friendly introduction to the Polars library in Python by Sara Jadhav.

Polars vs pandas: Choosing the Right Python DataFrame Library for Your Data Workflow

A Databricks article comparing Pandas and Polars across performance, syntax, features, and use cases for Python data analysis by @databricks.

Resources >Talks and videos

Polars: Blazingly Fast DataFrames in Rust and Python

⏳ 37 min - Introduction to Polars by databricks.

Polars: The Next Big Python Data Science Library... written in Rust?

⏳ 14 min - A short video tutorial to get started coding with Polars by @RobMulla.

The Best library for building Data Pipelines...

⏳ 12 min - A video that compares Pandas, Spark and Polars for working with data in Python by @RobMulla.

Expressive & fast dataframes in Python with polars

⏳ 28 min - A video that reviews some alternatives to Pandas for Python and then demonstrates some Polars features by Juan Luis Cano Rodríguez.

Polars Introduction for Python with a 128GB Ryzen 24-core Benchmark vs Pandas

⏳ 12 min - A video that provides an introduction to Polars for Python by @jeffheaton. Notebook used for the video in this github repo.

Polars: The main alternative to pandas in Python!?

⏳ 57 min - A Polars tutorial series on Youtube by @martinbel. Notebooks and datasets used for the videos available in this github repo.

Polars vs Pandas

⏳ 37 min - A detailed video on Youtube that compares Polars and Pandas by @hu-po.

Polars: The Super Fast Dataframe Library for Python — Goodbye Pandas?

An article and a video ⏳ 19 min that explores some basic features of Polars by Frank Andrade.

Manipulación de Datos con Polars en python

⏳ 51 min - A detailed tutorial video in Spanish that shows 20 Polars functions to perform 80% of the tasks of a data scientist.

An opinionated introduction to Polars

Great Polars introduction slides from @krlng at PyCon 2023.

Polars - make the switch to lightning-fast dataframes

⏳ 30 min - A talk that reports an experience switching from Pandas to Polars in a real-world ML project by @datenzauberai. Slides are available here.

Polars vs Pandas | detailed test with explained results

⏳ 22 min - A video that presents 8 distinct tests which demonstrates differences between Pandas and Polars by @vb100. Associated github repo is here.

How to update mass data using Polars DataFrame

⏳ 9 min - A video that presents the process of writing code to update mass columns across CSV or data files by @AmitXShukla. Notebook used for the video in this github repo.

Using the Rust Polars DataFrame library in a CLI

⏳ 4 min - A video that shows how to integrate Polars in a commande line interface by @paiml.

The Ultimate Guide to Data Wrangling with Python | Rust Polars Data Frame

⏳ 10 videos - A playlist of 10 videos (WIP) that equips you with all the necessary knowledge required to utilize Python Polars Data Frame by @AmitXShukla.

Polars DataFrame

⏳ 41 min - A video that shows some basic manipulations with Polars and Python by @vedica1011. Notebook used for the video in this github repo.

Why I switched grom Pandas to Polars

⏳ 53 min - A workshop that breaks down the 3 reasons why you could switched from Pandas to Polars by @bfeif. Notebook used for the video in this github repo.

Intro to Polars

⏳ 7 videos - A playlist of 7 videos that introduces the basic concepts of Polars (DataFrames, filtering, splitting...) by Joram Mutenge.

Machine Learning with Polars

⏳ 6 videos - A playlist of 6 videos that analyzing and cleaning data using Polars to train machine learning models by Joram Mutenge.

Pandas and Polars with Marco Gorelli

⏳ 55 min - A podcast by The Developers' Bakery that compares the performance of Polars to Pandas by @MarcoGorelli.

Library of the week 13 : Polars with Python

⏳ 15 min - A video that presents Polars with Python by @enarroied. Article supplied with the video in this page.

Polars is the Pandas killer | PyData Tel Aviv 2024

⏳ 22 min - A video that shows how Polars is competing head to head with scale, speed and ease of use for dataframe solution in python by Igor Mintz.

Polars-Cookbook in Python

Polars cookbook with organized by Python notebooks and chapter by @StuffbyYuki.

Polars - An Optimized Dataframe Library

⏳ 84 min - A video that compares the main features of Polars with those of Pandas, with a focus on speeding up your data pipeline by @mattharrison.

DataFrames on steroids with Polars

⏳ 42 min - A video that demonstrates Polars for Python and shows how much faster it is compared to pandas while remaining just as convenient by @prosoitos. Slides are available here.

Pandas, Polars and the DataDrame Consortium

⏳ 25 min - A video that offers a detailed performance comparison between Polars and Pandas. This analysis serves as a foundation for the introduction of the DataFrame Consortium, which aims to standardize data manipulation libraries.

Integrate Polars DataFrame with Ollama

⏳ 12 min - A video that demonstrates how to integrate Polars with Ollama local models to do data analysis by @fahdmirza.

Polars basics playlist

A playlist that introduces the basic features of Polars in an instructive way.

Polars - SQL Interface for Querying DataFrames

⏳ 20 min - A video that shows how to use SQL to query the data in Polars DataFrames by @bugbytes-io.

How to Learn the Polars DataFrame Library

⏳ 110 min - A long video that explains and illustrates the basic principles of Polars by @KeithGalli. Associated github repo is here.

Polars with Plotly

⏳ 19 min - A video that shows the usage of Polars with the Plotly graphic library by Plotly. <>

Polars and time series | PyData 2024

⏳ 29 min - A video that shows how to use Polars effectively for time series analysis iby @MarcoGorelli.

How to Learn the Polars DataFrame Library

⏳ 65 min - A video that enables to learn practical techniques for data manipulation and advanced transformations by @kimfetti. Associated github repo is here.

Polars: Past, Present and Future with Ritchie Vink

⏳ 71 min - A video in which Jon Krohn talks with the creator of Polars, Ritchie Vink (@ritchie46), about why Polars is important, how it works, and where it's going by @jonkrohn.

Understanding Polars Expressions when you're used to Pandas

⏳ 36 min - A video that explains how to understand expressions from a Pandas perspective by @marcogorelli.

Understanding Polars Expressions when you're used to Pandas

⏳ 31 min - A video that explains how to write your own Polars Plugin by @marcogorelli.

Polars - Talk Python To Me Ep.402

⏳ 69 min - A video in which Ritchie Vink gives a look at Polars by Talk Python To Me.

10 Polars Tools and Techniques To Level Up Your Data Science - Talk Python To Me Ep.510

⏳ 58 min - A video in which Christopher Trudeau shares his recent work with Polars and highlights a collection of complementary Polars extensions and libraries by Talk Python To Me.

Follow

Github: Polars Github Organization

Official Polars Github repository.

Ritchie Vink (@ritchie46)

Author of Polars

Stijn de Gooijer (@stinodego)

Member of Polars organisation

Alexander Beedie (@alexander-beedie)

Contributor to Polars projects

Marco Edward Gorelli (@MarcoGorelli)

Contributor to Polars projects

Eitsupi (@eitsupi)

Contributor to R Polars project

Etienne Bacher (@etiennebacher)

Contributor to R Polars project

PolarsCodeAcademy

Youtube Channel with thematic videos about Polars

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