100%FREE

Free JSON Formatter

Beautify, minify or sort JSON keys in your browser, with errors shown by line and column.

Large integers keep their exact digits.

  • Runs locally
  • Paste JSON
  • Format
  • Copy
  • Free
  • No sign-up
  • Runs in your browser
  • No watermark

This tool runs in this browser tab and does not ask for an account. What you enter is not sent to PoYo.

Use cases

Where it helps

Quick answers

Open the page and get a result without installing an app.

Any computer

It works in a current browser on Windows, macOS, Linux or ChromeOS.

Nothing to clean up

Close the tab when you are done. PoYo keeps no copy.

Three steps

How to use Free JSON Formatter

01

Paste JSON

Large integers keep their exact digits.

02

Format

Beautify, minify or sort the keys.

03

Copy

Errors show the line and column.

Features

What this tool includes

Runs locally

This tool runs in this browser tab and does not ask for an account. What you enter is not sent to PoYo.

Paste JSON

Large integers keep their exact digits.

Format

Beautify, minify or sort the keys.

Copy

Errors show the line and column.

PoYo

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These free tools work on files you already have. To create an image, video or audio from a description, open a PoYo generator.

Free JSON Formatter FAQ

Do I need an account?

No. Open the page and use it.

Is what I enter sent anywhere?

This tool runs in this browser tab and does not ask for an account. What you enter is not sent to PoYo.

Does it cost anything?

No. It is free and does not use PoYo credits.

Can I use it on my phone?

Yes, in a current mobile browser. Tools that need a physical keyboard or mouse are easier on a computer.

All free tools

Free to use, right in your browser.

Beautify, minify or sort JSON keys in your browser, with errors shown by line and column. Large integers keep their exact digits.

Open tool