JSON Minifier - Free, Instant, In Your Browser
Paste formatted JSON to get a compact, single-line version - smaller payloads for APIs and config files.
How to use Minify JSON
- 1Paste your text or data into the input box above.
- 2Minify JSON runs instantly, right in your browser.
- 3Copy the result or use it directly.
Your file is processed in your browser and is never uploaded.
Frequently Asked Questions
Does minifying change the data?
No, only whitespace and formatting are removed - the data structure and values stay identical.
Is my data sent to a server?
No, minifying happens entirely in your browser.