JSON Minifier
Compress JSON by removing whitespace and show bytes saved.
Works Offline
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No Login
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}Keyboard shortcuts
- Copy the main outputCtrl / ⌘ + Shift + C
- Download the resultCtrl / ⌘ + S
- Share this toolCtrl / ⌘ + Shift + S
- Reset the inputsAlt + R
- Open the tool search paletteCtrl / ⌘ + K
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Frequently asked questions
Version 1.0.0 · Updated 2026-08-06 · Runs entirely in your browser