JSON tools that
actually explain
themselves

Seven precision tools for JSON formatting, validation, diffing, and more. All computation stays in your browser — no server, no tracking, no friction.

⑂ View on GitHub
7Tools
0msServer latency
0Data collected
Freeforever
input.json
input
output
{
  "id": 1,
  "name": "Subham",
  "role": "admin",
  "active": true
}
✓ Valid JSON52 chars · 1 line → 6 lines
🔒
100% Private
No data ever leaves your browser. Everything runs client-side.
⚡
Instant Results
Zero server round-trips. Output appears as you type.
🎯
Smart Errors
Plain English error messages with exact position hints.
🔗
Shareable URLs
Share your JSON state via URL — no backend needed.
HOW IT WORKS

Simple by design

01
Paste your JSON
Drop any JSON — raw, minified, broken, or massive. No size limits, no account needed.
02
Pick your tool
Format, validate, diff, convert, query. Seven tools built for the problems developers actually have.
03
Copy and ship
Instant output, shareable URL, zero data leaving your browser. Done in seconds.
TOOLKIT

Every JSON tool you need

⌘
{ }
JSON Formatter
Format

Beautify raw JSON with precise indentation

Open tool →
✓
JSON Validator
Validate

Find every error with plain English hints

Open tool →
⇥
JSON Minifier
Minify

Strip whitespace, reduce payload size

Open tool →
⇄
JSON → CSV
Convert

Convert arrays of objects to spreadsheets

Open tool →
±
JSON Diff
Diff

Compare two JSON structures visually

Open tool →
$.
JSON Path Tester
Query

Test JSONPath expressions in real time

Open tool →
⬡
Schema Validator
Schema

Validate JSON against a JSON Schema

Open tool →
PRO TIER — COMING SOON

Be first to know when Pro launches.

Pro will include saved collections, unlimited history, bulk processing, and a VS Code extension. No spam. One email when it's ready.

🔒 PRIVACY BY DESIGN

Your data never leaves your browser

Every computation happens locally. We don't have a backend to send data to. No cookies, no analytics, no fingerprinting. The source is open and auditable.

✓ Zero API calls✓ No localStorage✓ No cookies✓ Open source