JSON Beautifier & Minifier Online - Format JSON Data

Easily format (beautify) unreadable JSON data for clarity, or minify it to reduce size. Supports instant conversion and validation securely in your browser.

11 uses 100% client-side processing

Input JSON

Output & Actions

Usage Guide

  1. 1 Paste your JSON string into the **Input JSON** box.
  2. 2 Click **Beautify** to format it with indentation and line breaks for readability.
  3. 3 Click **Minify** to remove all extra spaces and line breaks for minimum file size.
  4. 4 Use the **Swap** button to move the output back to the input for further editing.