Open-source compression software
355 open-source libraries, tools and applications tagged compression, ranked by how closely compression is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.
355 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| TachibanaGeneralLaboratories/download-navi Download Navi is a free and open-source download manager for Android 4.4+ with pause/resume, multi-part downloading, and background downloa… | 30 | 1068 | active |
| nih-at/libzip libzip is a C library for reading, creating, and modifying zip archives, with support for Zip64, multiple compression codecs (deflate, bzip… | 91 | 1058 | stable |
| google/zopfli Zopfli is a C library implementing a compression algorithm that produces highly optimized, deflate-compatible output (deflate, zlib, and gz… | 66 | 3598 | maintenance |
| addyosmani/squish Squish is a browser-based batch image compression tool that uses WebAssembly codecs to compress and convert images entirely client-side. It… | 22 | 1049 | active |
| g1mv/density Density is a pure Rust lossless compression library focused on extreme compression speed while maintaining good compression ratios, using a… | 72 | 1047 | active |
| TurboVNC/turbovnc TurboVNC is a high-performance VNC (Virtual Network Computing) remote display system derived from TightVNC, with a tuned Tight encoding opt… | 87 | 1037 | stable |
| mapbox/geobuf Geobuf is a JavaScript library that encodes GeoJSON geographic data into a compact binary format based on protocol buffers, achieving 6-8x … | 72 | 1033 | stable |
| Zygo/bees bees is a userspace block-oriented deduplication agent for btrfs filesystems, written in C++. It runs as a daemon that incrementally scans … | 65 | 1033 | active |
| aklomp/base64 A fast Base64 stream encoder/decoder library written in C99 with SIMD acceleration (AVX2, AVX512, NEON, SSE) and optional OpenMP support. I… | 61 | 1022 | active |
| mabeijianxi/small-video-record An Android library for recording short audio/video clips (like WeChat-style small videos) with FFmpeg-based compression under the hood. Ver… | 23 | 3453 | maintenance |
| n2far2000/winrarsc A curated repository listing official ad-free WinRAR Simplified Chinese installer download links from RARLAB/win-rar.com, covering versions… | 44 | 1013 | active |
| yuzhengyang/Fork Fork is a C# utility library (published as Azylee.Core on NuGet) that bundles common helper methods for data processing, file handling, enc… | 39 | 1011 | active |
| chrissimpkins/Crunch Crunch is a lossy PNG image optimization tool that combines bit depth, color type, and palette reduction with zopfli DEFLATE compression vi… | 23 | 3424 | maintenance |
| markfasheh/duperemove Duperemove is a Linux command-line tool that finds duplicate file extents by hashing file contents and submits them for deduplication via t… | 47 | 1008 | active |
| google/cdc-file-transfer A set of C++ command-line tools (cdc_rsync and cdc_stream) for syncing and streaming files from Windows to Windows or Linux, using Content … | 10 | 3392 | maintenance |
| Minify Minify is a PHP-based HTTP server that combines, minifies, and serves CSS and JavaScript assets with appropriate caching headers like condi… | 57 | 2993 | maintenance |
| ata4/disunity DisUnity is an experimental command-line toolset written in Java for inspecting, unpacking, and packing Unity asset and asset bundle files.… | 10 | 2699 | maintenance |
| cundong/SmartAppUpdates A library for Android incremental (delta) app updates, based on bsdiff/bspatch. It includes client-side JNI code to merge a patch with the … | 74 | 2652 | maintenance |
| Sunzxyong/Tiny Tiny is a high-fidelity, high-compression-ratio image compression framework for Android, implemented with native C code and no external dep… | 23 | 2626 | maintenance |
| marmelroy/Zip A Swift framework for zipping and unzipping files, built on top of minizip. It offers simple quick functions as well as advanced options li… | 23 | 2603 | maintenance |
| nanchen2251/CompressHelper An Android library for compressing images and files via size and quality compression, based on Compressor and Luban with bug fixes. It supp… | 23 | 2547 | maintenance |
| dblalock/bolt Bolt is a C++ library (with a Python wrapper) for lossy compression of dense real-valued vectors that supports mathematical operations dire… | 32 | 2520 | maintenance |
| TerarkDB TerarkDB is a RocksDB-compatible embedded key-value storage engine forked from RocksDB v5.18.3, offering improved tail latency, throughput,… | 61 | 2159 | maintenance |
| mendsley/bsdiff A C library fork of Colin Percival's bsdiff/bspatch for building and applying binary file patches, redesigned to be dependency-free and eas… | 32 | 2134 | maintenance |
| libharu/libharu libHaru is a free, open-source ANSI C library for generating PDF files, supporting text, lines, images, annotations, font embedding, compre… | 63 | 2005 | maintenance |
| facebookincubator/spectrum Spectrum is a cross-platform image transcoding library written in portable C/C++ that integrates into Android and iOS projects to perform c… | 10 | 1973 | maintenance |
| dgiagio/warp Warp is a Rust-based CLI tool that packages an application directory together with a launcher script into a single self-contained executabl… | 23 | 1960 | maintenance |
| go-bindata/go-bindata go-bindata converts any data file into Go source code so binary assets can be embedded directly into a Go program. It ships as a command li… | 23 | 1910 | maintenance |
| google/woff2 Google's reference C++ implementation of the WOFF2 font compression format, built on Brotli. It provides libraries plus CLI tools (woff2_co… | 60 | 1825 | maintenance |
| lzfse/lzfse A reference C implementation of the LZFSE compression algorithm, which uses Lempel-Ziv matching with Finite State Entropy coding for fast c… | 32 | 1824 | maintenance |
| citusdata/cstore_fdw cstore_fdw is a PostgreSQL extension implementing a columnar store as a foreign data wrapper, inspired by the ORC format, designed for anal… | 23 | 1783 | maintenance |
| bazingagin/npc_gzip A Python library and research codebase implementing the parameter-free 'kNN-gzip' text classification method from the ACL 2023 paper, which… | 20 | 1781 | maintenance |
| svgcleaner svgcleaner is a Rust command-line tool that losslessly cleans and optimizes SVG files by removing unnecessary data such as editor metadata,… | 10 | 1671 | maintenance |
| systemd/casync casync is a content-addressable data synchronization tool that combines the rsync algorithm with content-addressable storage. It splits dat… | 39 | 1614 | maintenance |
| facebookincubator/xar XAR is a toolchain for packaging many files into a single self-contained executable archive based on a read-only SquashFS image. It is comm… | 10 | 1571 | maintenance |
| philipl/pifs πfs is a novelty FUSE filesystem written in C that 'stores' files by finding each byte's offset within the digits of π, using the BBP formu… | 62 | 7530 | experimental |
| liftoff/pyminifier Pyminifier is a command-line tool that minifies, obfuscates, and compresses Python source code. It can produce self-executing compressed sc… | 32 | 1554 | maintenance |
| zboxfs/zbox ZboxFS is a zero-details, privacy-focused embedded file system written in Rust that encrypts everything, including metadata and directory s… | 10 | 1542 | maintenance |
| lukeaschenbrenner/TxtNet-Browser TxtNet Browser is an Android app that lets users browse the web over SMS without any WiFi or mobile data connection. It sends HTTP GET requ… | 75 | 1541 | maintenance |
| pathikrit/better-files A dependency-free, pragmatic thin Scala wrapper around Java NIO for simple, safe, and intuitive file I/O. It provides fluent APIs for readi… | 32 | 1472 | maintenance |
| diracdeltas/FastestWebsiteEver A novelty website that fits entirely within a single TCP packet, served by a bespoke webserver written in C. It uses aggressive tricks like… | 32 | 1411 | maintenance |
| Tourenathan-G5organisation/SiliCompressor SiliCompressor is an Android library for compressing images and videos with a simple, fluent API. It reduces media file sizes while maintai… | 23 | 1396 | maintenance |
| Freaky/Compactor Compactor is a free, open-source GUI utility that exposes Windows 10's built-in filesystem compression (normally only accessible via compac… | 23 | 1386 | maintenance |
| shaohui10086/AdvancedLuban AdvancedLuban is an Android image compression library written in Java that offers multiple compression strategies, including custom limits … | 32 | 1321 | maintenance |
| download A Node.js library for downloading files over HTTP and optionally extracting archives, returning promises or streams. It wraps got for reque… | 23 | 1299 | maintenance |
| iSparta/iSparta iSparta is a desktop GUI application built with Electron for converting and compressing images. It converts PNG sequences to APNG, converts… | 23 | 1291 | maintenance |
| antirez/smaz Smaz is a small C compression library specialized for compressing very short strings, where general-purpose compressors like zlib fail. It … | 32 | 1222 | maintenance |
| openzfsonwindows/ZFSin ZFSin is a port of the OpenZFS filesystem to Windows, implemented as a native kernel driver providing pooled storage, checksums, snapshots,… | 23 | 1222 | maintenance |
| pixelglow/ZipZap ZipZap is a zip file I/O library for iOS, macOS and tvOS written in Objective-C. It offers a simple two-class API for reading, writing and … | 23 | 1215 | maintenance |
| terinjokes/gulp-uglify A Gulp plugin that minifies JavaScript files using UglifyJS3 within Gulp streaming build pipelines. It supports most UglifyJS minify option… | 23 | 1213 | maintenance |
| owenlongbo/McImage McImage is a Gradle plugin for Android projects that automatically checks and compresses image resources (PNG, JPG, WebP) during the build … | 23 | 1203 | maintenance |
| danielgtaylor/jpeg-archive A set of command-line utilities for archiving JPEG photos for long-term storage or web serving. It re-encodes JPEGs to the smallest quality… | 23 | 1183 | maintenance |
| lz4/lz4-java A Java library providing LZ4 compression and decompression with fast, high-compression, and interoperable frame modes. It offers JNI bindin… | 10 | 1175 | maintenance |
| imaya/zlib.js A pure JavaScript implementation of ZLIB (RFC1950), DEFLATE (RFC1951), GZIP (RFC1952), and PKZIP compression formats. It is split into modu… | 23 | 1136 | maintenance |
| twitter/elephant-bird Twitter's Java library of LZO, Thrift, and Protocol Buffer-related Hadoop InputFormats, Pig LoadFuncs, Hive SerDes, and HBase utilities. It… | 23 | 1133 | maintenance |
| remy/inliner A Node.js utility and CLI that converts a web page into a single self-contained HTML file by inlining CSS, JavaScript, images, and videos (… | 23 | 1117 | maintenance |
| uclouvain/openjpeg OpenJPEG is an open-source JPEG 2000 codec written in C, officially recognized by ISO/IEC and ITU-T as the JPEG 2000 reference software. It… | 65 | 1112 | maintenance |
| sketch-hq/svgo-compressor A Sketch plugin that automatically compresses SVG assets using SVGO whenever they are exported from Sketch. It runs transparently in the ba… | 23 | 1106 | maintenance |
| jborg/attic Attic is a deduplicating backup program written in Python that stores only changed data chunks, with optional AES-256 encryption and SSH-ba… | 32 | 1098 | maintenance |
| Tomas-M/linux-live A set of shell scripts that converts an existing installed Linux distribution into a bootable Live Kit (Live CD/USB) with ISO and TAR outpu… | 23 | 1098 | maintenance |
| traildb/traildb TrailDB is a C library and tdb command-line tool for storing and querying series of discrete events (trails) in highly compressed, immutabl… | 32 | 1090 | maintenance |
| ndeet/unzipper A single-file PHP script that extracts .zip, .rar, and .gz/tar.gz archives directly on a webserver via the browser, and can also create zip… | 23 | 1078 | maintenance |
| C-Blosc2 C-Blosc is a high-performance, lossless compression library for binary data that uses blocking, shuffling, SIMD, and multi-threading to com… | 64 | 1059 | maintenance |
| ptoomey3/evilarc evilarc is a Python CLI tool that creates tar and zip archives containing files with directory traversal characters in their embedded paths… | 32 | 1054 | maintenance |
| caoscott/SReC SReC is the official PyTorch implementation of the paper 'Lossless Image Compression through Super-Resolution', which frames lossless image… | 32 | 1047 | maintenance |
| HTMLMin/Laravel-HTMLMin A Laravel package that minifies HTML responses and Blade templates at compile time, built on Mr Clay's Minify library. It supports Laravel … | 23 | 1018 | maintenance |
| WankkoRee/eaio eaio (Electron All in One) is a Python tool with a GUI that reduces disk usage of Electron applications by hard-linking identical files acr… | 10 | 1012 | maintenance |
| freecdn Web2Img is a tool that bundles web files into a single image file, which is then extracted at runtime via a Service Worker. It lets develop… | 32 | 1275 | experimental |
| kangax/html-minifier A highly configurable, well-tested JavaScript-based HTML minifier with Node.js and CLI support, capable of also minifying inline CSS and Ja… | 67 | 5029 | abandoned |
| dropbox/lepton Lepton is a command-line tool and file format from Dropbox that losslessly compresses JPEG files by an average of 22% while allowing exact … | 10 | 4991 | abandoned |
| UDS A Python CLI tool that stores arbitrary binary files in Google Drive as base64-encoded text inside Google Docs, which historically did not … | 32 | 4377 | abandoned |
| mholt/archiver A Go library and CLI tool for creating and extracting archives (tar, zip, rar, 7z) and compressing/decompressing files (gzip, xz, bzip2, zs… | 10 | 4375 | abandoned |
| FLIF FLIF (Free Lossless Image Format) is a lossless image format and reference implementation in C++ based on MANIAC compression, outperforming… | 23 | 3742 | abandoned |
| facebookarchive/beringei Beringei is a high-performance, in-memory time series storage engine based on Facebook's Gorilla paper, usable as an embedded library or as… | 10 | 3150 | abandoned |
| dezem/SAK Switch Army Knife (SAK) is a Windows GUI tool for managing Nintendo Switch game files, bundling several community tools to patch, split, me… | 10 | 2999 | abandoned |
| redox-os/tfs TFS is a next-generation, modular file system written in Rust for Redox OS, inspired by ZFS with features like copy-on-write, full-disk com… | 32 | 2939 | abandoned |
| jwilder/docker-squash docker-squash is a Go CLI utility that squashes multiple Docker image layers into a single layer to reduce image size, while preserving Doc… | 10 | 1977 | abandoned |
| Hsury/BiliDrive BiliDrive is a Python CLI tool that uploads arbitrary files to Bilibili by encoding file chunks as images, then retrieves them via Bilibili… | 23 | 1465 | abandoned |
| xmoezzz/KrkrExtract KrkrExtract is a Windows tool for extracting and repacking XP3 archive files used by the Kirikiri (krkr2/krkrz) visual novel game engine, s… | 10 | 1427 | abandoned |
| bake-bake-bake/bakeware Bakeware is a build tool that extends Mix releases to package Elixir applications into single, self-contained executable binaries with the … | 10 | 1418 | abandoned |
| webpack-contrib/uglifyjs-webpack-plugin A deprecated webpack plugin that uses UglifyJS to minify JavaScript bundles. It has been replaced by terser-webpack-plugin and should not b… | 10 | 1367 | abandoned |
| documentcloud/jammit Jammit is an asset packaging library for Rails that concatenates and compresses CSS and JavaScript, with ahead-of-time gzipping, JavaScript… | 32 | 1153 | abandoned |
| OmniRoute OmniRoute is an open‑source AI gateway that provides a single OpenAI‑compatible endpoint routing requests across hundreds of LLM providers.… | 78 | 77757 | active |
| bitchat A decentralized peer-to-peer messaging app that combines offline Bluetooth LE mesh networking with internet-based Nostr protocol transport,… | 81 | 36273 | active |
| CyberChef CyberChef is a browser-based web application for performing a wide range of 'cyber' operations such as encryption, encoding, compression, h… | 98 | 36120 | active |
| nothings/stb A collection of single-file, public domain (or MIT) C/C++ libraries covering image loading/writing/resizing, TrueType font rasterization, O… | 71 | 34694 | stable |
| DevToys-app/DevToys DevToys is a free, open‑source desktop application that bundles dozens of tiny utilities for developers, such as converters, encoders, form… | 84 | 32074 | active |
| alam00000/bentopdf BentoPDF is a self-hostable, privacy-first PDF toolkit that runs entirely client-side in the browser using WebAssembly, offering 50+ tools … | 82 | 16002 | active |
| aandrew-me/ytDownloader ytDownloader is a free, open-source Electron-based desktop GUI app for downloading video and audio from hundreds of sites via yt-dlp. It su… | 91 | 10449 | active |
| PDFCraftTool/pdfcraft PDFCraft is a free, privacy-focused PDF toolkit with 90+ tools (merge, split, compress, convert, edit, secure) that runs entirely in the br… | 80 | 9519 | active |
| timvisee/ffsend ffsend is a fully featured command-line client for the Firefox Send file-sharing service, letting users upload and download files and direc… | 43 | 7420 | active |
| LaoFeng-mouse/flyingmouse-format FlyingMouse Format is an offline desktop file format converter for Windows (and macOS) built on Electron, bundling FFmpeg, LibreOffice, Pop… | 79 | 6787 | active |
| cimbar libcimbar is an optimized C++ implementation of the cimbar (color icon matrix) high-density 2D barcode format for air-gapped data transfer … | 92 | 6491 | active |
| ldqk/Masuit.Tools Masuit.Tools is a Swiss-army utility library for C#/.NET bundling dozens of commonly needed helpers: encryption, reflection, LINQ and expre… | 99 | 6192 | active |
| AidLux (AidLearning) AidLux (originally AidLearning) is an AIoT development platform that runs a native Ubuntu Linux environment with GUI, deep learning tooling… | 63 | 5812 | active |
| sindresorhus/create-dmg A Node.js CLI tool that automatically creates good-looking, code-signed DMG disk images for macOS app distribution. It is intentionally opi… | 65 | 5374 | active |
| RandyGaul/cute_headers A collection of cross-platform, single-file C/C++ header-only libraries with no dependencies, primarily aimed at game development. It inclu… | 72 | 5073 | active |
| Convert A universal online file converter that runs conversions in the browser without uploading files to a server. It supports conversions across … | 62 | 4141 | active |
| aiming-lab/SimpleMem SimpleMem is a Python library and MCP server that provides efficient lifelong memory for LLM agents, storing, compressing, and retrieving l… | 65 | 3821 | active |
| TheWaWaR/simple-http-server A simple static file HTTP server written in Rust, built on axum/tokio. It supports directory listing, file upload, basic auth, range reques… | 76 | 3459 | active |