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

Converts Zod schemas to Json Schemas

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

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

A streaming library that converts Excel (.xlsx) and CSV files into JSON objects — row by row, sheet by sheet. It streams the file and emits each row as a plain JavaScript object via events, so it can handle large files without loading everything into memo

Converting xls file to json files using nodejs

JSON Schema validation and specifications

JSON Schema TypeScript definitions with complete inline documentation.

Read and parse a JSON file

Framework-agnostic swipeable sheets, drawers, dialogs, and scroll primitives for Capacitor apps

An open source JavaScript engine for displaying MusicXML based on VexFlow.

Support for proto3 JSON serialiazation/deserialization for protobuf.js

JSON.parse with context information on error

Constructible style sheets/adopted style sheets polyfill

AI agent SDK for web pages — embed a chat assistant that edits page data via schema-validated tools. A lighter, framework-agnostic alternative to CopilotKit/LangChain for in-page JSON-editing agents. Vue-bundled; works with DeepSeek, OpenAI, MCP.

Write simple `*.xlsx` files in a browser or Node.js

JSON.parse with bigints support

The Action Sheet API provides access to native Action Sheets, which come up from the bottom of the screen and display actions a user can take.

Library for processing Cue Sheet.

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