JSON Minifier
Strip every byte of whitespace without touching the values.
All processing happens locally in your browser
Minified
saved 11 bytes (26%)
{"compact":true,"items":[1,2,3]}JSON minification strips all unnecessary whitespace — spaces, tabs, and newlines — from a JSON document, producing a compact single-line string that is functionally identical to the original. Smaller payloads mean faster API responses, lower bandwidth costs, and leaner environment variables. Paste your pretty-printed or hand-formatted JSON on the left; the minified output and byte savings appear immediately, and you can copy or download the result with one click.