Compression 1,326 crates

gamut-pngResearch-grade, space-efficient PNG (Portable Network Graphics) image encoder and spec-compliant decoder.52MIT OR Apache-2.0CompressionEncoding gamut-dngDNG (Adobe Digital Negative) 1.7.1 raw-image encoder and decoder.51MIT OR Apache-2.0CompressionEncoding decomDecompress streams with codec defined by the stream itself50MITCompression lamquant-lmlLamQuant LML — lossless EEG/biosignal codec (Le Gall 5/3 + LPC + Golomb), archives, NWB/HDF5 export, no_std/MCU-capable. Ships…50AGPL-3.0-or-laterCompressionScience rcomp-coreUnified compression/archive library and CLI50MIT OR Apache-2.0Compression deemukCompress any text before it enters your LLM. Less tokens, same meaning.49MITCommand line utilitiesCompression uneggEGG archive extractor46MITCommand line utilitiesCompression lzexeLZEXE 0.90/0.91/0.91e decompressor for DOS EXE files46MITCompressionNo standard library openhawk-compressToken compression layer for LLM context — wraps sqz for OpenHawk agents46MITCommand line utilitiesCompression pure_jpegrlePure-Rust DICOM RLE PackBits lossless codec (DICOM Part 5 Section 8.1.1)46MIT OR Apache-2.0CompressionMultimedia::Images hybridzContent-adaptive hybrid compression library - analyzes data, selects the best transform + entropy coder pipeline45MIT OR Apache-2.0AlgorithmsCompression safekeepA flexible backup library with trait-based file handling, compression, and encryption45MITCompressionCryptography srcdmpAmazing code snapshot tool and library45MIT OR Apache-2.0Command line utilitiesCompression eth-state-diffMinimal-allocation delta encoding for Ethereum consensus state, optimized for archival storage and zstd compression.45MIT OR Apache-2.0CompressionCryptography::Cryptocurrencies zarustRust implementation of the ZArchive format44MIT-0CompressionFilesystem cmr-compressorIsolated compressor worker for CMR distance and intrinsic-dependence computations.44Apache-2.0CompressionNetwork programming zpnglossless image codec (filter + zstd) faster and often smaller than PNG44MITCompressionMultimedia::Images atlas-archive-coreHigh-performance compression library with adaptive context modeling (Loom) and .nyx archives43MIT OR Apache-2.0CompressionEncoding fixztA tool to fix ZIP file offset issues caused by prepended data (e.g., image seeds)43Apache-2.0Command line utilitiesCompression mailcrushA high-efficiency mail lossless compression tool that deconstructs emails for maximum compression42GPL-3.0-or-laterCommand line utilitiesCompression tx2-iffPPF-IFF (Involuted Fractal Format) - Image codec using Physics-Prime Factorization, 360-prime quantization, and symplectic warping42MITCompressionMultimedia::Encoding rebgzfEfficient gzip to BGZF transcoder using Puffin-style half-decompression41MITCommand line utilitiesCompression fileutilsPersonal file utils41MITCompressionFilesystem totebagAn API for extracting/archiving files and directories in multiple formats.41non-standardCompressionDevelopment tools brieflzin-memory LZ77/LZSS compress and decompress codec with a multi-level optimal-parse encoder41ZlibCompressionNo standard library packsimdSIMD-accelerated bit packing compression for u32 arrays40MITAlgorithmsCompression lepcc-ffiSafe Rust bindings for the Esri LEPCC point-cloud compression library (XYZ, RGB, Intensity, FlagBytes)40Apache-2.0CompressionEncoding bspaBeam search packing algorithm40MIT OR Apache-2.0AlgorithmsCompression rustchmA fast, dependency-free CHM (Microsoft HTML Help) compiler and reader, in Rust.40MITCommand line utilitiesCompression chromahashModern, high-quality image placeholder representation for professional formats40MIT OR Apache-2.0CompressionEncoding riplzDictionary-trained compression for small structured messages (BPE + tANS)39MITCompression w3bundleA Rust library for reading and writing Witcher 3 bundle (.bundle) archives.39GPL-3.0-onlyCompressionParser implementations autozstdHigh performance Zstd envelope compression with fallback / 基于信封模式与回退机制的高性能 Zstd 压缩38MulanPSL-2.0AlgorithmsCompression lzbase62LZSS string compression with base62-safe text output37MITCompressionEncoding zipfliCreate optimized ZIP archives using Zopfli compression37MIT OR Apache-2.0Command line utilitiesCompression xdmsPure-Rust, dependency-free unpacker for DMS (Disk Masher System) Amiga disk archives into raw ADF disk images.37MIT OR Apache-2.0CompressionEncoding a1800_codecA clean room implementation of the GeneralPlus A1800 audio codec36Apache-2.0CompressionEncoding curvepressLossy time series compression: RDP/VW point reduction + quantization36MITCompressionScience lzjbLZJB (ZFS) fast LZ77-family compress/decompress codec36MITCompressionNo standard library lzutf8LZ-UTF8 string compression: an LZ77 back-reference format that is a byte-level superset of UTF-836MITCompressionEncoding tokelang-coreCompression engine for Tokelang Lite: English-prompt compression middleware over standard tokenizers, with a content-recall…35Apache-2.0CompressionText processing turbo-vecTurboQuant-based vector quantization and search library35MITAlgorithmsCompression psarc2PlayStation archive reader35AGPL-3.0-or-laterCompressionFilesystem ctt-c-apiC bindings for the ctt texture compression library35MIT OR Apache-2.0 OR ZlibCompressionExternal FFI bindings gencodeG encoding system — a context-dependent, density-maximized data encoding and compression tool35MITCommand line utilitiesCompression cdt-toolkitCompression Dictionary Transport toolkit34MITCommand line utilitiesCompression bluetape-rs-compressionOpt-in compression helpers and registry-style selection for bluetape-rs.34MITCompressionDevelopment tools zeekstd_cliRust implementation of the Zstandard Seekable Format.34BSD-2-ClauseCommand line utilitiesCompression ogham-serverEmbeddable HTTP server for the Ogham context engineering SDK34Apache-2.0CompressionText processing open-eeg-codec-standardOpenECS — a universal, vendor-neutral Open EEG Codec Standard: grade any EEG codec (any language, via a file-based contract)…34Apache-2.0Command line utilitiesCompression crunchmaniaCrunch-Mania compressor/decompressor (Commodore Amiga era CrM files)33WTFPLCommand line utilitiesCompression leb128rsAn implementation of LEB128 for integral types of bit-widths 16, 32, 64 and 128 as well as size types.33MIT OR Apache-2.0CompressionEncoding rcompUnified compression/archive library and CLI33MIT OR Apache-2.0Command line utilitiesCompression tokelang-mecModel-Emulation Compression — heuristic, faithfulness-gated prompt compressor (clean-room).31Apache-2.0CompressionText processing wavicleA pure-Rust WavPack v5 codec: lossless decode and encode of 16/24/32-bit integer and 32-bit float, mono and stereo, bit-exact and…31MIT OR Apache-2.0CompressionMultimedia::Audio foodshare-compressionResponse compression utilities with Brotli support30MITCompressionEncoding oxigeo-compressAdvanced compression codecs and auto-selection for geospatial data30Apache-2.0CompressionEncoding m2m-protocolM2M Protocol - Intelligent machine-to-machine LLM communication with learned compression29Apache-2.0CompressionScience two_phase_internerTwo-phase string and byte array interning29MIT OR Apache-2.0AlgorithmsCaching bitx-codecBitX: High-throughput delta compression for safetensors model files (10+ GB/s with AVX2)29MITCommand line utilitiesCompression baleA mmap-first, fixed-stride zip-like pack format29Apache-2.0CompressionFilesystem autocatA command-line tool for transparent decompression of various formats to stdout29MITCommand line utilitiesCompression arithmetic-codeArithmetic coding encoder/decoder with adaptive frequency models, range encoding, and binary arithmetic coding for near-optimal…29MITAlgorithmsCompression zipstackThe compression zip and unzip stack!28MIT OR Apache-2.0Compression unalzALZ archive extractor28MITCommand line utilitiesCompression context-compressorDynamic token budget context reducer with regex sanitizers.27Apache-2.0CompressionText processing xgrep-cliIndexed search accelerator for compressed logs. Cached queries 100-1200x faster than zgrep.27Apache-2.0Command line utilitiesCompression lacLo Audio Codec — lossless audio codec with LPC + partitioned Rice coding.26AGPL-3.0-onlyCompressionMultimedia::Audio mismallStreaming Huffman compression library with AES-256-GCM encryption and archive support25MITCompressionCryptography logifyA high-performance, portable boolean logic engine. Turns abstract logic into optimized data structures that can be…25MITAlgorithmsCaching haagenti-neuralNeural compression using learned codebooks for 10x model compression24MIT OR Apache-2.0CompressionScience makigamiHigh-performance log search for low-cost storage24Apache-2.0Command line utilitiesCompression tuipdfA beautifully crafted, terminal-native PDF compressor built in Rust24MPL-2.0Command line utilitiesCompression gzip-zeroA no-std, allocation-free streaming gzip decoder24MIT OR Apache-2.0CompressionNo standard library haagenti-grpcgRPC server for Haagenti compression service23MIT OR Apache-2.0CompressionNetwork programming filereducelibHigh-performance, constant-memory compression library for structured data (JSONL) producing .fra archives.23MITCompressionData structures numcodecs-lcLC codec implementation for the numcodecs API23MPL-2.0CompressionEncoding general_purpose_paracletic_hyper_cubeGeneral-purpose paracletic hyper cube compression toolkit.23MITCompressionEncoding paracletics-hypercubeGeneral-purpose paracletic hyper cube compression toolkit.23MITCompressionEncoding zip-full-corePure-Rust, no-C-FFI ZIP reader for forensics: decodes Stored, Deflate, Deflate64, Bzip2, Zstd, LZMA and XZ, decrypts ZipCrypto +…23Apache-2.0CompressionFilesystem entropack-alpPure-Rust ALP — adaptive lossless floating-point compression for f64/f32 columnar and time-series data (SIGMOD 2024)23Apache-2.0CompressionEncoding zstd-zeroA no-std, allocation-free streaming Zstandard decoder23MIT OR Apache-2.0CompressionNo standard library holopackHoloPack — Universal archive tool with self-healing .hpak format. A project by ABAODISK LLC.22MIT OR Apache-2.0Command line utilitiesCompression lepccHigh-performance point cloud compression for I3S format - LEPCC implementation in Rust22MITAlgorithmsCompression bwt-compressBurrows-Wheeler transform, suffix array construction, move-to-front encoding, run-length encoding, and BWT-based compression…22MITAlgorithmsCompression opc-ooxmlOpen Packaging Conventions: ZIP container, [Content_Types].xml, relationships (.rels), Package/Part model.22MITCompressionParser implementations lz4diffRust decoder/applier for Android OTA lz4diff patches21Apache-2.0CompressionEncoding newtua-ffiC ABI for the newtua archive extractor. Base for bindings in any language.21LGPL-3.0-or-laterCompressionExternal FFI bindings tokelang-cliTokelang Lite compression CLI: OptA→MEC prompt/context compression over the local engine. The single kernel binary behind the…20Apache-2.0Command line utilitiesCompression blockchain-compressionHigh-performance compression library optimized for blockchain data structures20MITAlgorithmsCompression upxzTiny single-binary file packer. One file in, one file out, magic-checked, zstd-packed.20Apache-2.0Command line utilitiesCompression tardiffCompare tar archives, including compressed tar files, and show entry-level diffs20Apache-2.0Command line utilitiesCompression formal_general_purpose_paracletic_hyper_cubeFormal general-purpose paracletic hyper cube compression toolkit.20MITCompressionEncoding compressed-scorerCodec-agnostic compressed-domain scoring — estimate inner products without decompressing vectors20MIT OR Apache-2.0AlgorithmsCompression fandhe-backend-plugin-compressionfandhe-backend のレスポンス圧縮プラグイン（イシュー #321）。gzip での帯域削減を提供する。19MIT OR Apache-2.0CompressionWeb programming hpack-htmlHigh-performance .hpack HTML packet decompressor19Apache-2.0CompressionWeb programming huffman-tuiA Huffman file compressor with a visual terminal UI that draws the Huffman tree19MITCommand line utilitiesCompression polarquantRust implementation for Walsh-Hadamard rotation + polar coordinate quantization for LLM weight and KV cache compression19MIT OR Apache-2.0CompressionScience ternary-compressionCompress ternary sequences: run-length, Huffman, and dictionary-based compression19MITAlgorithmsCompression llic_rsLLIC - Low Latency Image Codec for grayscale images19ZlibCompressionWebAssembly lamquantLamQuant: lossless and neural EEG/biosignal codec suite with edge AI inference. Umbrella crate for the LamQuant ecosystem.18AGPL-3.0-or-laterCompressionScience lamquant-lmqLamQuant LMQ: neural EEG codec container format (.lmq / LMQC) for compressed biosignal transmission with montage metadata.18AGPL-3.0-or-laterCompressionEncoding minipackedSimple tool to pack files and directories into portable (or even encrypted) containers written in rust18MITCommand line utilitiesCompression lzrw-sysRaw FFI bindings to the LZRW family of lossless data-compression algorithms18MITCompressionExternal FFI bindings numcodecs-onionOnion identity meta-codec implementation for the numcodecs API17MPL-2.0CompressionEncoding libdeflate-zranSafe Rust wrapper around libdeflate with zran-style resume and walk for random access into gzip / DEFLATE streams.17MITCompression huffman-entropyHuffman coding with optimal/adaptive variants, entropy calculation (Shannon, Renyi, Tsallis), Kraft inequality verification, and…17MITAlgorithmsCompression mzcMinimal Zip Concept — Advanced lossless compressor & archiver in Rust with LZ77, RLE, tANS, Context Mixing, SIMD, and a premium…17MITCommand line utilitiesCompression win-rarA Windows archive manager supporting ZIP, 7z, RAR, TAR with encryption, shell integration, and drag-and-drop17MITCompressionFilesystem pertypeLossless per-file-type compressor: trained dictionary + LZ + arithmetic coding, plus specialist image/audio/video/columnar/float…17AGPL-3.0-or-laterCompression compress-huffman-rsHuffman coding compression library: frequency table construction, Huffman tree building, canonical code generation, and…17MIT OR Apache-2.0AlgorithmsCompression compress-lz77-rsLZ77 sliding window compression: match finding, lazy matching, length-distance token encoding and decoding in pure Rust.17MIT OR Apache-2.0AlgorithmsCompression ozlripMemory-safe Rust decoder-first implementation of OpenZL17MITCompression optimeshPure-Rust port of the meshoptimizer geometry processing library16MITCompressionGame development lz11Library and command-line tool for working with Nintendo's LZ10 and LZ11 compression formats16MIT OR Apache-2.0Command line utilitiesCompression compress-rle-rsRun-length encoding: basic RLE, PackBits, and modified bitmap RLE with encode/decode in pure Rust.16MIT OR Apache-2.0AlgorithmsCompression at1AT-1 (Atom Teleporter) verified-lossless decoder -- safe Rust binding over the C ABI (decode-only)16Apache-2.0API bindingsCompression rage-package-formatCommand-line tool for working with RAGE Package Files (RPF)15MITCommand line utilitiesCompression arctgzA next‑generation archive format built with Rust. Super robust, cross‑platform, and designed for speed and safety.15MITCompressionCryptography delta-compressionBinary delta compression — diff and apply for byte sequences, with rolling-hash matching, splay-tree indexing, and in-place…14BSD-2-ClauseAlgorithmsCompression lzrwRust bindings for the LZRW family of lossless data-compression algorithms14MITAPI bindingsCompression j2k-mlThin Burn tensor adapter for JPEG 2000 and HTJ2K batch decoding14MIT OR Apache-2.0CompressionMultimedia::Encoding deltraA fast delta encoding algorithm13MITCompression compress-utilsUnified interface to zstd, brotli, zlib, gzip, bzip2, lz4, xz/lzma and snappy compression, over a single C core.12MITAPI bindingsCompression librawdistlibrary package manager for the rawssg ecosystem12GPL-3.0CompressionDevelopment tools zarchive-rsSafe, idiomatic Rust bindings for Exzap/ZArchive8MIT-0API bindingsCompression