JSON Formatter
Format, validate, and beautify JSON data
About JSON Formatter
Toolset.cloud JSON Formatter validates and beautifies JSON entirely in the browser. It is built for engineers who need quick readability without shipping data off-box.
Use it to debug payloads, prep docs, or share snippets with teammates. Indentation and validation help catch issues before they reach your APIs.
How to use JSON Formatter
Paste or type JSON
Drop in your payload from logs, responses, or files.
Format & review
Beautify to inspect structure or minify for compact transport.
Copy & share
Copy formatted output for PRs, tickets, or API tests.
Pro Tips
- Keep sensitive payloads safe-nothing is sent over the network.
- Use minify before embedding JSON in configs or query params.
- Set indentation to mirror your repo to avoid noisy diffs.
Key features of JSON Formatter
Validate & beautify
Instant formatting with clear errors for malformed JSON.
Copy-friendly output
Copy prettified or minified JSON directly into your IDE or docs.
Client-side only
No uploads-payloads remain in your browser for privacy.
Indent control
Choose indentation levels to match your project style.
Error feedback
Pinpoint parsing issues quickly to unblock debugging.
Responsive layout
Comfortable editing on desktop or mobile for quick checks.
Related Tools
Regex Tester
Test and debug regular expressions with live matching
API Tester
Test REST APIs with custom headers, query params, and request body
Diff Checker
Compare texts side-by-side with highlighted differences
SQL Beautifier
Format and beautify SQL queries with customizable styling