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JSON Tools

JSON Tools

Free JSON viewer, formatter & converter in your browser

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JSON Tools is a free suite of 9+ in-browser utilities: JSON viewer (collapsible tree), formatter, validator, minifier, diff, and converters (JSON ↔ CSV/XML/YAML/TypeScript). Everything runs 100% in your browser—no uploads, no accounts, no data sent to servers. Paste JSON, search keys/values, copy JSONPath, and convert formats fast. Built for developers who want fast, private, clutter-free JSON tools.
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Free
Launch tags:Web App•Productivity•Developer Tools
Launch Team
Framer
Framer
Launch websites with enterprise needs at startup speeds.
Promoted

What do you think? …

RYAN
Maker
📌
Hey Product Hunt 👋 I built JSON Tools because I kept pasting JSON into random online viewers and never quite liked the UX — either too cluttered, or my data felt like it was going somewhere I couldn’t trust. So I made a single place where: • Viewer — Paste JSON and see it as a clean, collapsible tree. Search, copy paths, expand/collapse, adjust font size. No page reloads. • Formatter — Pretty-print with configurable indent (2/4 spaces or tab). • Validator — Instant syntax check with line/column error info. • Minify — One click to strip whitespace. • Diff — Compare two JSON objects and see what changed. • Convert — JSON ↔ CSV, XML, YAML, TypeScript. Handles nested arrays and complex structures. Everything runs in the browser. Your JSON never leaves your device. No signup, no API keys, no paywall. If you work with APIs, configs, or any JSON at all — give it a try and I’d love to hear what you’d add next 🚀 Link: https://json-viewer-ce3.pages.dev