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JSON Minify - Free Online JSON Compressor & Minifier Tool

Compress and minify JSON data instantly by removing all unnecessary whitespace. Reduce file size, improve loading speed, and optimize your JSON for production. Shows compression ratio and bytes saved.

JSON Input

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Minified Output

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Enter JSON data to minify

JSON Minify - Free Online JSON Compressor & Minifier Tool

Compress and minify JSON data instantly by removing all unnecessary whitespace. Reduce file size, improve loading speed, and optimize your JSON for production. Shows compression ratio and bytes saved.

Features

  • ✓Remove all unnecessary whitespace and line breaks from JSON
  • ✓Compress JSON to single line with compact separators
  • ✓Show compression ratio and bytes saved in real-time
  • ✓Download minified JSON file or copy to clipboard

How to Use

  1. Paste your JSON data in the left editor
  2. The minified JSON will appear automatically on the right
  3. View compression statistics (original size, minified size, saved percentage)
  4. Copy the result or download as a file for use in your application