Free JSON formatter, validator, minify, sort keys, JSON to CSV/XML/YAML, schema validator, merge, path editor, tree viewer. All tools run in your browser — no data sent to servers.
This hub is the home for browser-first JSON utilities on HttpStatus: pretty-printing, syntax checks, size reduction, conversions, and schema validation. Use it when you are debugging API responses, cleaning configs, preparing documentation examples, or comparing payloads. Everything runs locally in your tab by default; Advanced mode on some tools optionally calls our Integrate API when you enable it.
Typical workflows: paste a minified API response into the formatter, then copy readable output for tickets; validate syntax before pasting into the JSON Schema Validator; merge feature flags from two environments; convert arrays to CSV for spreadsheets; minify before embedding in a mobile bundle.
Cross-links: pair JSON tools with the YAML or Regex hubs when you work across config formats, or use JSON Diff at /diff/json-diff when you need structural comparison.
The hub (/json) helps you discover every tool in one place. Individual URLs like /json/formatter target a specific intent (e.g. beautifying minified JSON) and carry focused guidance — use both: hub for exploration, tool pages for deep tasks.
Core tools run entirely in your browser. AI-powered JSON tools send input to our servers only when you use those features; browser-only tools never upload your payload.
Formatter adds readable indentation; validator reports syntax errors with locations; minify strips whitespace to shrink size. They complement each other in a fix → validate → ship workflow.
Browser-mode keeps data on your device, but follow your org policy for secrets. Never paste production credentials into AI tools; use client-side formatter/validator instead.
Very large JSON may slow the tab because parsing is in-memory. For multi-megabyte logs, prefer streaming CLI tools; use this hub for typical API and config sizes.