Need to format JSON from an API response? The Wivrix JSON Formatter & Validator is free, works in your browser, and takes seconds to use.
What this tool does
Pretty-print, validate, minify JSON, view as tree, convert to YAML or XML, get statistics. Fast, free, and runs entirely in your browser.
Why use Wivrix?
Many online tools ask you to sign up, add a watermark, or upload your files to a server you cannot see. Wivrix is different:
- Private by design — Everything runs in your browser. Your files and input stay on your device — nothing is uploaded to Wivrix.
- Free — no account, no paywall, no file-size tricks
- Fast — open the page and start working
Step-by-step guide
- Paste or type your JSON into the input box.
- Use the Format tab to beautify, minify, validate, sort keys, or escape/unescape strings.
- Use the Convert tab to transform JSON to YAML, XML, CSV, TypeScript types, or parse URL query strings into JSON.
- Use the Tree View tab for a collapsible, interactive view of your JSON structure.
Common uses
- Format json from an api response
- Decode a jwt during debugging
- Test a regular expression quickly
- Convert yaml config to json
Frequently asked questions
Do I need an account?
No. Open the tool and use it straight away.
Is the JSON Formatter & Validator really free?
Yes. Wivrix tools are free to use. The site is supported by ads that load only after you consent.
Is my data safe?
Everything runs in your browser. Your files and input stay on your device — nothing is uploaded to Wivrix.
Try it now
Open the free JSON Formatter & Validator and follow the steps above. If this guide helped, bookmark the tool or share it with someone who needs the same job done quickly.
Related tools
- CSV to JSON Converter — see also our guide
- XML Formatter & Validator — see also our guide
- SQL Formatter & Beautifier — see also our guide
Ready to try it? Open the free JSON Formatter & Validator — no sign-up needed.
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