JSON Formatter & Validator
Format, validate, minify, and syntax-highlight JSON data instantly. Debug API responses and clean up JSON with one click.
100% Private
Processed locally
Free & unlimited
Format JSON
Output
Formatted JSON will appear here
No JSON yet
Paste your JSON code above and click Format & Validate
JSON Statistics
Keys
0
Depth
0
Size
0 B
Characters
0
Lines
0
Original
0 B
Formatted
0 B
Change
0 B
Time
0ms
Compare with Previous Formatting
What this tool does not do
- Does not support JSON5 or non-standard JSON formats.
- Large JSON files may cause slower browser rendering.
- Results are based on standard JSON.parse parsing rules.
How It Works
1
Paste your JSON
Enter or paste your JSON code into the input area.
2
Format or Minify
Click Format to validate and beautify, or Minify to compress.
3
Review and export
Check stats, compare, and export your formatted JSON.
Frequently Asked Questions
How does the JSON formatter work?
Paste your JSON data and click Format. The tool parses, validates, and displays your JSON with syntax highlighting, proper indentation, and error detection.
Can I minify JSON with this tool?
Yes. After formatting, click the Minify button to compress your JSON into a single line with no whitespace.
Is my JSON data uploaded to a server?
No. All processing happens in your browser. Your JSON data never leaves your device.