JSON Hero

Name: JSON Hero
Rating: 4.33 (6 reviews)
Author: JSON Hero

A beautiful JSON explorer packed with features

As of May 2026, JSON Hero has 1,000 users and a 4.33/5 rating from 6 reviews in the Developer Tools category.

JSON Hero Developer Tools★ Featured

Chrome Web Store ↗.crx

Users0%

1.0K

1,000

Rating0%

4.33

6 reviews

Reviews0%

Version

0.0.1

Manifest V3

History

1 snapshots

Tracking since Apr 30, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 30, 2026	1.0K	4.33	6	0.0.1
Now	1.0K	4.33	6	0.0.1

Permissions & access

Permissions: storagewebRequest
Host access: *://*/*

Screenshots

About

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.