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JSON Formatter & Beautifier

Beautify and indent messy JSON so it is easy to read.

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What is JSON Formatter & Beautifier?

JSON Formatter & Beautifier is a free, browser-based tool that lets you convert or generate data with the json formatter & beautifier in seconds — no software installs, no account, and no file size limits for typical use. Everything runs locally in your browser tab, so your content is never uploaded to a server, making it fast, private, and safe to use for work or personal projects.

How do I use the JSON Formatter & Beautifier?

  1. Type or paste your text into the input box.
  2. Adjust any available options to match what you need.
  3. Click the “Run” button and get your result instantly.
  4. Copy or download the output — no sign-up required.
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Frequently Asked Questions

Yes. JSON Formatter & Beautifier is completely free, with no usage limits, watermarks, or sign-up required.
Yes. JSON Formatter & Beautifier processes everything directly in your browser. Your files and text are never uploaded to a server, so nothing leaves your device.
No installation is needed. JSON Formatter & Beautifier works instantly online in any modern web browser, on desktop or mobile.
Yes — your original input stays in the input box, so you can edit it and re-run the tool at any time.