Instant validation
Catch invalid syntax before using JSON in your application.
Format · Validate · Minify
JSON Formatter
Inspect and clean up JSON with instant validation, flexible indentation, and readable syntax highlighting.
Input JSON
Editable
1 lines · 0 B
Processed JSON
WaitingYour formatted JSON will appear here...
0 lines · 0 B
Your JSON is processed locally and never uploaded.
Readable structure
Highlight nested objects, arrays, strings, and values clearly.
Private by design
All parsing and formatting stays inside your browser.