JSON Formatter & Viewer

The most powerful online tool to beautify, validate, and edit your JSON data.

Client-side

Drop your JSON files here

Accepts .json, .txt

What is JSON and why use a Formatter?

JSON (JavaScript Object Notation) is a lightweight data-interchange format. When JSON is minified or transmitted, it often becomes a single long line of text that is difficult to analyze. Our JSON Formatter helps you convert this messy data into a beautifully structured format.

Powerful Features

  • • Real-time syntax highlighting
  • • Tree view and Code view modes
  • • Easy expansion and collapse
  • • One-click beautify and minify

Secure & Fast

Your data is processed entirely in your browser. We do not store or transmit your JSON data to our servers, ensuring maximum privacy and security.

How to use this JSON Tool?

  1. Paste: Copy your JSON string and paste it into the editor.
  2. Upload: Use the 'Upload File' button to load a JSON file.
  3. Edit: Directly edit JSON with real-time validation.
  4. View: Switch between Tree and Code modes.