JSON / YAML / XML Formatter
Paste code, auto-detect the format, and pretty-print or minify — everything runs locally.
What this does & how to use it
Paste your JSON, YAML or XML. The tool detects the format and instantly pretty-prints or minifies it locally.
- Validate structure and highlight errors.
- Convert between JSON, YAML and XML.
- Copy formatted or minified output with one click.
Tip: large documents may take longer to process.
What this does & how to use it
Paste your JSON, YAML or XML. The tool detects the format and instantly pretty-prints or minifies it locally.
- Validate structure and highlight errors.
- Convert between JSON, YAML and XML.
- Copy formatted or minified output with one click.
Tip: large documents may take longer to process.
Awaiting input…
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JSON / YAML / XML Formatter — FAQ
Is my code sent to a server?
No. Formatting and validation happen entirely in your browser.
Which formats are supported?
JSON, YAML, and XML with auto-detection and conversion between them.
Can I minify as well as pretty-print?
Yes. Toggle between formatted and minified output.