Runs locally
JSON Minifier
Strip insignificant JSON whitespace.
Ctrl+Enter runs. Ctrl+Shift+Backspace clears.
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Produces the compact form of a valid JSON document.
About this tool
Shrink a pretty-printed JSON document into a single compact line before sending it in a request, storing it in a database or embedding it in code.
How to use it
- 01
Paste the JSON.
- 02
Get the compact one-line version.
- 03
Copy the minified JSON.
FAQ
Frequently asked questions
Does minifying change the data?
No. Only insignificant whitespace is removed; keys, values and order stay the same.
How do I make it readable again?
Paste it into the JSON Formatter.