JSON Minifier
Minify JSON to the smallest size.
Input
Minified
Free online JSON minifier. Strip whitespace to shrink JSON, and see how much smaller it gets. Runs in your browser — nothing uploaded.
How to use the JSON Minifier
- 01Paste your JSON.
- 02Get minified output plus the size saved.
- 03Copy the result.
Frequently asked questions
Does minifying change my data?
No — only whitespace is removed; the data is identical.