DevConvertor
JSON Tools

JSON Minifier

Remove all non-semantic whitespace from JSON to shrink it for transport or storage, with a before/after byte size comparison so the savings are visible.

Minifies as you type

Related tools

JSON Formatter

Pretty-print and validate JSON with configurable indentation.

JSON Beautifier

Reformat JSON with your choice of indentation.

Features

  • Removes all non-semantic whitespace while preserving valid JSON structure
  • Shows original size, minified size, and percentage reduction in bytes
  • Copy or download the minified result

How to use

  1. Paste formatted or indented JSON into the input.
  2. The minified output and size comparison appear automatically.
  3. Copy the result or download it as a .json file.

Example

Input

{
  "id": 1,
  "name": "Ada"
}

Output

{"id":1,"name":"Ada"}