JSON Formatter
Validate, pretty-print with syntax highlighting, minify, and sort JSON keys. Errors shown with line numbers.
JSON Input
0 chars
Validation
Strict RFC 8259 compliant. Error messages show exact line and column numbers.
Syntax Highlighting
Keys, strings, numbers, booleans, and null values are colour-coded for clarity.
Minify
Strip all whitespace for compact transmission or storage in a single click.
Sort Keys
Alphabetically sort all object keys recursively for consistent, diffable output.