A JSON to CSV and CSV to JSON converter that natively supports sub-documents and auto-generates the CSV heading.

JSON for Humans

Converts Zod schemas to Json Schemas

Traverse JSON Schema passing each schema object to callback

Strip comments from JSON. Lets you use comments in your JSON files!

Library to create Formatted Excel Files.

A set of efficient utilities that extend the use of JSON (streaming, estimate size, NDJSON/JSONL, etc.)

JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes

Read and parse a JSON file

JSON Schema validation and specifications

JSON Schema TypeScript definitions with complete inline documentation.

Support for proto3 JSON serialiazation/deserialization for protobuf.js

JSON parse & stringify that supports binary via bops & base64

JS library that allows you to easily serialize and deserialize data with BigInt values

Parse and stringify JSON with comments. It will retain comments even after saved!

Build and manage the fast-json-stringify instances for the fastify framework

JSON.parse with context information on error

JSON.parse with bigints support

Scanner and parser for JSON with comments.

Parse, Resolve, and Dereference JSON Schema $ref pointers