JSON Minifier
Minify JSON by removing all unnecessary whitespace and line breaks. The output is the smallest valid JSON representation of your data, ready to embed or send.
This tool runs entirely in your browser.
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How to use the JSON Minifier
- 1Paste formatted JSON.
- 2The minified version appears instantly.
- 3Copy it or download it as a .json file.
What is the JSON Minifier?
Minifying JSON removes spaces, tabs and new lines between tokens. It does not change keys or values, and the result parses to exactly the same data.
Frequently asked questions
How much smaller does minified JSON get?
Typically 10–30% for pretty-printed JSON, depending on indentation and nesting depth.
Is the JSON Minifier free and private?
Yes. The JSON Minifier is free, needs no account, and runs entirely in your browser. What you type is never sent to a server or stored.