JSON Minifier

Compress JSON by removing whitespace and show bytes saved.

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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.

Popular uses

  • json
  • minify
  • compress
  • reduce size

Examples

Minify object

JSON{
  "a": 1
}

Output

JSON{"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

Related tools

Works well with

Next steps from other categories.

All JSON tools

Frequently asked questions

Version 1.0.0 · Updated 2026-08-06 · Runs entirely in your browser