About this tool
Remove all unnecessary whitespace from a JSON document to shrink its size for storage or transmission. The tool also reports the number of bytes saved compared to the original input.
Examples
- { "a": 1, "b": 2 } → {"a":1,"b":2}
JSON Minifier
JSON Minifier
Strip whitespace from JSON to reduce payload size.
Frequently asked questions
No, only formatting whitespace is removed; the parsed value is identical before and after minification.
Related utilities
JSON FormatterPretty-print minified or messy JSON with 2 or 4-space indentation.JSON ValidatorCheck whether a JSON document is syntactically valid and pinpoint the error.JSON ViewerExplore JSON as a collapsible, color-coded tree.JSON DiffCompare two JSON documents and see added, removed and changed keys.XML FormatterPretty-print minified or messy XML with proper indentation.XML ValidatorCheck whether an XML document is well-formed.