Clean and validate JSON data
Format nested JSON for reading, minify it for transport, or sort object keys consistently while detecting syntax errors.
All tools
Clean and validate structured data
JSON Formatter and Validator
Format, validate, minify and sort JSON online with clear error locations and one-click copy. Your data stays in the browser.
Runs locally in your browserChoose the operation you need
Paste JSON into the editor, select format, minify or sort keys, correct any reported syntax error, and copy the resulting text.
Method and sources
Validation, formatting and minification use the browser's standards-based JSON.parse and JSON.stringify implementations. Key sorting is performed recursively by local code.
Frequently asked questions
What can JSON Formatter and Validator do?
Format nested JSON for reading, minify it for transport, or sort object keys consistently while detecting syntax errors.
How do I use JSON Formatter and Validator?
Paste JSON into the editor, select format, minify or sort keys, correct any reported syntax error, and copy the resulting text.
Does JSON Formatter and Validator upload my data?
The tool runs in your browser. Your selected files, entered content and generated results are not sent to Zituo Tools.