Whether you're using C#, Swift, TypeScript, Go, C++ or other languages, quicktype generates models and helper code for quickly and safely reading JSON in your apps. Customize online with advanced options, or download a command-line tool.
jsonhero
JSON Hero is an open-source, beautiful JSON explorer for the web that lets you browse, search and navigate your JSON files at speed. 🚀. Built with 💜 by the Trigger.dev team.
JSON Formatter & Validator
Format and validate JSON data so that it can easily be read by human beings.
JSON-to-Go: Convert JSON to Go instantly
cbor/main.go at master · fiatjaf/cbor
A command line tool that turns CBOR into JSON or JSON into CBOR - fiatjaf/cbor
ATPI - Instant AT Protocol JSON Previewer - Visual Studio Marketplace
Extension for Visual Studio Code - Instantly preview atproto JSON data in VS Code
standard.site/lexicons
Shared lexicon schemas for long-form publishing on AT Protocol. Uses typescript to json via prototypey.
Sculpin: Direct-Manipulation Transformation of JSON
Presented at UIST 2025: PDF DOI Video
fx – a terminal JSON viewer & processor
A terminal viewer & processor for JSON, YAML, & TOML (TUI and CLI)
Tool calling, open source, and the M×N problem
Tool calling with closed-source models is seamless. You pass a list of functions to the API, the model calls them, you get structured JSON back.
Using jq to format JSON on the clipboard
Jq is a great tool. I use it frequently, but this recent article from Sequoia McDowell still has some great tips in it. Well worth a read. One thing that stood out to me from this post was the snippet
hey-api/openapi-ts
🌀 OpenAPI to TypeScript codegen. Production-ready SDKs, Zod schemas, TanStack Query hooks, and 20+ plugins. Used by Vercel, OpenCode, and PayPal.
HazAT/glimpse
Native micro Web UI for scripts and agents — super fast OS native webview with bidirectional JSON communication for agents
JSON Crack - Chrome Web Store
Visualize JSON pages as an interactive graph. Toggle between raw text and an auto-generated diagram.
JSON Feed
We’ve updated the spec to version 1.1. It’s a minor update to JSON Feed, clarifying a few things in the spec and adding a couple new fields such as authors and language.
human.json
A lightweight protocol for humans to assert authorship of their website content and vouch for the humanity of others.