Just JSON is a minimal yet powerful Chrome extension for formatting and comparing JSON effortlessly.
Whether youβre debugging APIs, validating responses, or diffing JSON data side-by-side β Just JSON helps you do it, fast and distraction-free.
π JSON Formatter
Paste raw JSON and prettify it with one click.
βοΈ JSON Compare
Compare two JSON blobs side-by-side. Differences are highlighted line-by-line.
π Dark Mode
Toggle between light and dark themes for better readability.
π Copy to Clipboard & Download
Instantly copy or save formatted JSON.
π§ Line Numbers + Diff Highlighting
See each line clearly with differences marked in color.
You can install Just JSON directly from the Chrome Web Store:
π Just JSON on Chrome Web Store
If you want to run or modify the extension locally:
chrome://extensions/
in your browser.Just JSON does not collect or store any personal data.
All formatting and comparison happens locally in your browser.
We donβt use cookies, analytics, or external APIs.
π Privacy Policy
This project is licensed under the MIT License.
This project is made possible by the wonderful contributions from our community. See our full list of Contributors here