JSON Minifier
Compress JSON by removing whitespace and show bytes saved.
Works Offline
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No API
Input
Minified output
Original
50 B
Minified
40 B
Saved
20.0%
About the JSON Minifier
Strip all unnecessary whitespace from JSON to reduce payload size. See a before/after byte comparison with percentage saved, useful for optimizing API responses or config files.
Examples
Minify object
{
"a": 1
}Output
{"a":1}Related tools
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Frequently asked questions
Version 1.0.0 · Updated 2026-08-06 · Runs entirely in your browser