A beautiful JSON explorer packed with features

JSON Hero promo image
What is JSON Hero?

JSON Hero is a Chrome extension designed to make viewing and managing JSON files more efficient. It allows quick and easy sending of JSON to view in a gorgeously designed user interface. With auto-mode, it can transform pure JSON responses into a JSON Hero view. Also, it enables you to send JSON from GitHub or Firestore directly to JSON Hero. Customize its functionality by setting your own JSON Hero server URL in the extension settings.

Users: 1,665 ▲ 76
Rating: 4.43 (7)
Version: 0.0.1 (Last updated: 2022-06-05)
Creation date: 2022-06-04
Risk impact: High risk impact
Risk likelihood: Very low risk likelihood
Manifest version: 3
  • storage
  • webRequest
Host permissions:
  • *://*/*
Size: 888.83K
Stats date:

Other platforms

Not available on Firefox
Not available on Edge
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JSON Hero is an open-source, beautiful JSON explorer for the web that lets you browse, search and navigate your JSON files at speed.

The JSON Hero Chrome extension allows you to quickly send JSON to view in JSON Hero. Or turn on *auto-mode and any pure JSON responses in Chrome will be transformed into a JSON Hero view.

This extension will also allow you to send JSON from a Github file or a Firestore document right to JSON Hero. Just activate the extension in the toolbar whenever you are viewing a JSON GitHub file or a Firestore document in the Firestore console and they'll open in JSON Hero.

  • By turning on auto-mode any pure JSON responses will be automatically sent to jsonhero.io. If you are running a custom instance of JSON Hero, you can change the server URL in the extension settings.
User reviews
This kind of extensions will copy all your personal data to their web server.
by Max Max, 2024-01-11

by Yaroslav Vyugin Yaroslav Vyugin, 2022-06-08

A fan since the beginning! Really powerful tool. And the devs are very responsive.
View all user reviews
Risk impact

JSON Hero is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this extension. Review carefully before installing. We recommend that you only install JSON Hero if you trust the publisher.

Risk likelihood

JSON Hero has earned a good reputation and can be trusted.

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Promo video
Promo images
JSON Hero small promo image
Small promo image
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