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JSON Minifier

Compress JSON by removing whitespace and line breaks. Free, private and instant.

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How to use the JSON Minifier

Paste or type your input into the box above.
Choose any options you need. Results update as you type.
Copy the result with the Copy button.

About this tool

Minify JSON to its smallest valid form for APIs, configs and storage.

JSON Minifier is part of ToolStack Hub's Developer Tools. It runs entirely in your browser, which keeps your data private and makes results instant. There is nothing to install, no account to create and no usage limit.

Frequently asked questions

Is the JSON Minifier free?

Yes. JSON Minifier is completely free with no sign-up, limits or watermarks.

Is my data private when I use the JSON Minifier?

Yes. It runs in your browser, so your input is not uploaded to our servers.

Does it work on mobile?

Yes. ToolStack Hub tools work on phones, tablets and desktop browsers.

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