Developer Tools
JSON Formatter
Format, minify, and validate JSON. Paste your JSON to pretty-print it with syntax highlighting, or minify it for production use.
How to use JSON Formatter
1
Paste your JSON
Paste any JSON string into the input box.
2
Choose an action
Click Format to pretty-print, Minify to compress, or Validate to check syntax.
3
Copy or download
Copy the result to clipboard or download it as a .json file.
Frequently Asked Questions
Does it support nested JSON?
Yes, any valid JSON including deeply nested objects and arrays.
What indent size should I use?
2 spaces is the most common standard. 4 spaces is also popular for readability.