Free tool
JSON Formatter and Minifier
Format, validate, and minify JSON instantly in your browser.
Validate JSONMinifyInstant
Why it helps
Clean JSON fast
Format or minify JSON with one click.
Find errors
Get validation feedback when JSON is invalid.
JSON
JSON formatter
Format + minify
FAQ
Quick answers about this tool.
Is this private?
Yes. All processing happens in your browser.
Do I need an account?
No. These tools are free and work without signup.
Can I use multiple files?
Yes. Most tools support batch processing.