Developer Tool

JSON. Formatted.

Paste messy JSON. Get beautifully formatted, syntax-highlighted output. Validate, minify, and sort keys. Every developer needs this daily.

Try it free How it works
Free. Unlimited. No signup. JSON never leaves your browser.
{ }{ }{ }{ }{ }
Demo

Messy JSON in. Beautiful JSON out.

Validates and shows errors inline.

The process

How it works. No server. No upload.

01

Paste JSON

Drop any JSON — formatted, minified, or broken.

02

Format

Choose your indentation (2, 4, or tab). Keys can be sorted alphabetically.

03

Copy

Copy formatted JSON to clipboard. Or minify to save space.

Pricing

Pay for volume. Not commitment.

Start free. Upgrade when you need more. Cancel anytime. No credit card required to try.

Free

Starter

$0/month
For occasional use
  • Unlimited formatting
  • 2/4/Tab indent
  • Sort keys
  • Minify + copy
Get started
Most popular

Pro

$3/month
For professionals who use this daily
  • JSON Schema validation
  • JSONPath query
  • Large file support (50MB)
  • Diff two JSONs
  • API access
Upgrade to Pro