Serialization & Data Formats Packages
Serialization and data-format libraries for converting between structured data and wire formats (Serde, Protobuf, JSON/YAML/TOML, MessagePack).
Packages in Serialization & Data Formats
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serde_json
The de facto standard JSON library for Rust, built on the Serde serialization framework
serde
A generic framework for serializing and deserializing Rust data structures efficiently and safely.
js-yaml
A fast, complete YAML 1.2 and 1.1 parser and serializer for JavaScript.
yaml
A definitive TypeScript parser and stringifier for YAML, supporting 1.1 and 1.2 with comment and CST access.
PyYAML
A full-featured YAML parser and emitter for Python, with C-accelerated bindings
JSZip
Create, read, and edit ZIP files directly in JavaScript, in the browser or Node.js.
base64
Correct, fast, and configurable base64 encoding and decoding for Rust, with pluggable alphabets and padding.
url
A WHATWG-standard-compliant URL parser and manipulation library for Rust.
PapaParse
The fastest in-browser CSV parser for JavaScript, with streaming, Web Workers, and zero dependencies
uuid
Generate and parse UUIDs in Rust across every standardized version, from v1 to v8.
qs
A battle-tested querystring parser and serializer for Node.js with nested object support and built-in security limits.
python-multipart
A fast, streaming multipart/form-data parser for Python that powers file uploads in FastAPI and Starlette.
buffer
The Node.js Buffer API, reimplemented for the browser on top of Uint8Array.
mime-types
The ultimate JavaScript content-type utility for resolving MIME types from file extensions and paths.
body-parser
Node.js body-parsing middleware that turns raw HTTP request bodies into ready-to-use req.body objects.
fflate
High-performance DEFLATE, GZIP, Zlib, and ZIP compression for JavaScript in an 8kB package.
flate2
Streaming DEFLATE, gzip, and zlib compression for Rust with pluggable backends
superjson
Serialize JavaScript to a superset of JSON that keeps Dates, Maps, Sets, BigInts, and more intact.
fast-xml-parser
Pure-JS XML parser, builder, and validator with no C/C++ bindings and no callbacks
Protocol Buffers
Google's language-neutral, platform-neutral binary format for serializing structured data
gray-matter
Fast, dependable front-matter parser for YAML, JSON, TOML, and CoffeeScript metadata blocks
cookie
Basic HTTP cookie parser and serializer for HTTP servers, with zero dependencies and full RFC 6265 support.
toml
A native Rust encoder and decoder for TOML with first-class Serde support.
zod-to-json-schema
Converts Zod validation schemas into standard JSON Schema, ready for OpenAPI, OpenAI, and JSON Schema draft 7 consumers.
