PyPI · crates.io95Exceptionalhealth index
Python · Rust★ 441↓ 13.1K/moSep 13, 2026
npm94Exceptionalhealth index

gchq/CyberChefThe Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis
JavaScript★ 35.9K↓ 10.2K/moSep 16, 2026
npm94Exceptionalhealth index

panva/joseJWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes
TypeScript · JavaScript★ 7,791↓ 479M/moSep 16, 2026
crates.io93Exceptionalhealth index
Rust★ 2,677↓ 9.5M/moSep 9, 2026
npm90Excellenthealth index
TypeScript · C++★ 389↓ 775.2K/moSep 9, 2026
npm87Excellenthealth index

asmyshlyaev177/state-in-urlStore any user state in query parameters; imagine JSON in a browser URL, while keeping types and structure of data, e.g.numbers will be decoded as numbers not strings. With TS validation. Shared state and URL state sync without any hassle or boilerplate. Supports Next.js@14-16, react-router@6-7, and Remix@2.
JavaScript · TypeScript★ 418↓ 24K/moSep 13, 2026
PyPI86Excellenthealth index

fabiocaccamo/python-benedict:blue_book: dict subclass with keylist/keypath support, built-in I/O operations (base64, csv, html, ini, json, pickle, plist, query-string, toml, xls, xml, yaml), s3 support and many utilities.
Python · HTML★ 1,607↓ 1.3M/moSep 17, 2026
npm86Excellenthealth index
TypeScript★ 14↓ 5,984/moSep 6, 2026
npm84Excellenthealth index
JavaScript · TypeScript★ 8↓ 41.7M/moSep 16, 2026
npm84Excellenthealth index
TypeScript★ 10↓ 35.2K/moOct 21, 2026
crates.io83Excellenthealth index

butlergroup/bincode_reloadeda drop-in replacement fork of the original bincode crate: "A binary serialization / deserialization strategy for transforming structs into bytes and vice versa!"
Rust★ 2↓ 3,372/moOct 3, 2026
npm83Excellenthealth index

egy186/icojsA JavaScript library for decoding and encoding ICO files.
TypeScript · JavaScript★ 59↓ 96.7K/moSep 21, 2026
npm83Excellenthealth index

panva/pasetoPASETO (Platform-Agnostic SEcurity TOkens) for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes
TypeScript · JavaScript★ 500↓ 213.7K/moOct 13, 2026
npm80Excellenthealth index
TypeScript★ 69↓ 86.7K/moSep 15, 2026
JavaScript★ 6,907↓ 93.8M/moSep 17, 2026

NevermindNilas/NeluxNeLux: High-performance video processing for Python, powered by FFmpeg and PyTorch. Ultra-fast video decoding directly to tensors.
C++ · Python★ 29↓ 3,141/moSep 11, 2026
crates.io75Goodhealth index

jam1garner/binrwA Rust crate for helping parse and rebuild binary data using ✨macro magic✨.
Rust★ 849↓ 2.3M/moAug 27, 2026

Yahweasel/libav.jsThis is a compilation of the libraries associated with handling audio and video in ffmpeg—libavformat, libavcodec, libavfilter, libavutil, libswresample, and libswscale—for emscripten, and thus the web.
JavaScript · Makefile★ 526↓ 20.4K/moSep 18, 2026
crates.io71Goodhealth index
Rust★ 736↓ 109M/moSep 19, 2026
Packagist69Goodhealth index
PHP★ 183↓ 392.9K/moSep 13, 2026
TypeScript★ 12↓ 428.2K/moOct 2, 2026
crates.io65Goodhealth index

magiclen/html-escapeThis library is for encoding/escaping special characters in HTML and decoding/unescaping HTML entities as well.
Rust★ 55↓ 3.3M/moAug 27, 2026
crates.io60Moderatehealth index

seancroach/simd_cesu8An extremely fast, SIMD-accelerated, encoding and decoding library for CESU-8 and Modified UTF-8.
Rust★ 8↓ 7.5M/moAug 27, 2026
crates.io60Moderatehealth index
Rust★ 33↓ 16.9K/moSep 12, 2026
NuGet59Moderatehealth index
C#★ 37Aug 23, 2026
Packagist59Moderatehealth index
PHP★ 134↓ 787.8K/moSep 14, 2026
crates.io59Moderatehealth index
Rust★ 15↓ 635.3K/moOct 19, 2026
crates.io57Moderatehealth index

cool-japan/oxicodeA modern binary serialization library for Rust - the successor to bincode.
Rust★ 19↓ 155.2K/moSep 14, 2026
npm56Moderatehealth index

Borewit/text-codecLightweight, dependency-free TextEncoder/TextDecoder polyfill supporting UTF-8, UTF-16LE, ASCII, Latin-1, and Windows-1252 for engines like Hermes.
TypeScript★ 3↓ 82.4M/moSep 23, 2026
npm56Moderatehealth index

yegor-pelykh/image-in-browserPackage for encoding, decoding, transforming images, applying filters, drawing primitives on images on the client side (no need for server Node.js)
TypeScript★ 31↓ 75.8K/moSep 15, 2026