Free online JSON formatter
JSON Formatter
Format, prettify, and minify JSON in the browser with instant syntax feedback.
Developer Tools
Browser based
Runs on the current page
Copy-ready
Use the output where you work
No sign-in
Open the tool and get moving
Developer tool
Format JSON
Paste JSON, choose spacing, and create a clean formatted or compact output.
Built for the task
Format, validate, encode, decode, and test.
Fast browser utilities for common implementation, debugging, and content-cleanup tasks.
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FAQ
JSON Formatter questions.
Does this JSON formatter upload my data?
No. The formatter runs in your browser and does not send the JSON text to a server.
Can I minify JSON with this tool?
Yes. Paste valid JSON and use the minify action to generate a compact one-line version.
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