The JSON Minifier is a free online tool that compresses JSON data by removing whitespace and unnecessary formatting. Perfect for API responses and data file optimization.
Made for developers. Typical uses:
What minifying removes, how much it saves next to gzip and Brotli, and how to test minified CSS, JavaScript and HTML before you deploy it.
Why JSON that looks fine still fails to parse: trailing commas, single quotes, comments, NaN and oversized numbers, and how to validate, format and compare it fast.
Explore more in Minifiers, read the guides and articles, or see how we test our tools.
Minify and compress C# source code to reduce file size.
Best for reducing the size of C# source files bundled into a distributable package
Minify GraphQL code to reduce bandwidth usage.
Best for shrinking a large GraphQL query before embedding it in a mobile app's network layer
Format and beautify GraphQL queries with proper indentation.
Best for making a minified GraphQL query readable again before editing it