JSON Minifier

The JSON Minifier removes all unnecessary whitespace and line breaks from JSON data, producing a compact version ideal for production use, API payloads, and storage. Minify is the default mode; you can switch to Beautify at any time to format the same JSON instead.

Why Use This Tool?

Transmitting formatted JSON over the network wastes bandwidth. Minified JSON can be significantly smaller, leading to faster API responses and lower data costs. This tool makes it easy to switch between readable (development) and compact (production) formats.

How It Works

• Paste your formatted JSON into the input editor, or load a file from a URL.
• Confirm the language is set to JSON, then click Process Code (Minify is the default mode for this tool).
• The output shows the compressed JSON on a single line, plus character counts for input and output.
• Copy the minified JSON or download it as a .json file.
• Switch to Beautify mode any time to format the same JSON instead.

Key Features

• Minify mode to strip whitespace and line breaks
• Switch to Beautify mode at any time to format instead
• Switch to other languages (HTML, CSS, SQL, XML, YAML, INI, and more) without leaving the page
• Load code directly from a URL
• Copy to clipboard and download as .json
• Free online tool, no signup