JSON Formatter & Validator

Format, validate, minify and inspect JSON. Everything runs in your browser.

Local processing · No uploads · No account

Input JSON

0 lines · 0 bytes

Paste JSON or load a sample to get started.

Formatted output

Your formatted result will appear here.

Your JSON never leaves this browser

Files and text are processed locally. Nothing is uploaded or stored on our servers.

Ctrl / ⌘ + Enter FormatCtrl / ⌘ + M MinifyCtrl / ⌘ + B Beautify

How it works

Paste JSON or open a local JSON file. Format with two spaces, four spaces or tabs, validate syntax, minify, sort object keys, or explore a collapsible tree. Invalid JSON shows its line and column. Copy or download your result without uploading your input.

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Frequently asked questions

Can I validate JSON here?

Yes. Both Format and Minify parse your JSON and report syntax errors. Valid JSON produces an output you can copy or download.

Is my JSON uploaded?

No. Your input is processed locally in this browser tab and is not saved by AnyUtils.