Skip to main content
ddevtools
ToolsBusinessGitHub (opens in new tab)
ddevtools
All ToolsBusiness ToolsGitHub (opens in new tab)
ddevtools

Free developer utilities that run entirely in your browser. Fast, private, and always free.

Developer Tools

  • JSON Formatter
  • Base64 Encoder
  • UUID Generator
  • Hash Generator
  • URL Encoder
  • Timestamp

Business Tools

  • Margin Calculator
  • Meeting Cost
  • Salary Converter
  • Date Calculator

Built with care. Your data stays in your browser.

  1. Home
  3. JSON Minifier

JSON Minifier

Minify and compress JSON by removing whitespace

Related Tools

  • JSON Formatter - format and validate JSON
  • JSON Beautifier - reverse minification
  • JSON Validator - check JSON syntax
  • HTML Minifier - minify HTML files

How to Use JSON Minifier

  1. Paste your JSON

    Copy and paste your formatted JSON into the input field.

  2. View minified output

    See your JSON compressed with all whitespace removed.

  3. Copy the result

    Click the Copy button to copy the minified JSON to your clipboard.

Frequently Asked Questions

Is the JSON Minifier free to use?
Yes, the JSON Minifier is completely free with no usage limits. Minify as much JSON as you need without any registration or restrictions.
Is my JSON data private?
Yes, all JSON minification happens entirely in your browser. Your data never leaves your device and is never transmitted to any server, ensuring complete privacy for sensitive data.
What does JSON minification do?
JSON minification removes all unnecessary whitespace, line breaks, and indentation from your JSON while preserving the data structure. This creates the smallest possible file size, which is ideal for production environments, APIs, and reducing bandwidth usage.
How much space can minification save?
Minification typically reduces JSON file size by 10-30% depending on how the original was formatted. Files with heavy indentation and many nested objects see the largest reductions. The tool shows you the size difference after minification.
Does minification change my data?
No, minification only removes whitespace and formatting. The actual data values, structure, and meaning of your JSON remain completely unchanged. It is a lossless process that you can reverse by beautifying the JSON again.