DEDICATED TOOL PAGE

Format, validate or minify JSON in the browser.

Use this page to make raw JSON readable, catch syntax errors before sharing a sample, or minify a valid structure for compact output. The content never leaves your browser.

Open in full workspace Read the JSON guide

DEVELOPER TOOL

Run the tool

This page is especially useful when an API response or configuration sample arrives as one long unreadable line.

JSON input

Second input

Output

WHY A DEDICATED PAGE

JSON is a strong stand-alone search task.

Readable structure matters

Formatting quickly reveals nested objects, arrays, missing commas and suspicious values that are hard to spot in one long line.

Validation saves time downstream

Broken sample JSON wastes team time because the next person has to guess whether the issue is in the data or in the example itself.

Minify only at the end

Readable JSON is better while you work. Use minification when you actually need the compact output.

Common questions

Does this support comments in JSON?

No. Standard JSON does not support comments, so validation follows the strict JSON format.

Can I safely paste sensitive JSON here?

The page runs locally in the browser, but you should still avoid pasting secrets into any shared or untrusted environment.