# JSON Viewer-MV3

> The most beautiful and customizable JSON/JSONP highlighter that your eyes have ever seen.

Canonical page: [https://chrome-stats.com/d/json-viewer-mv3](https://chrome-stats.com/d/json-viewer-mv3)

## Overview

- **ID:** `json-viewer-mv3`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** 1759765836
- **Category:** appearance
- **Daily users:** 1
- **Version:** 0.18.5
- **Last updated:** 2026-07-18
- **First published:** 2026-07-15
- **Size:** 312 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/json-viewer-mv3/)

## Description

The most beautiful and customizable JSON/JSONP highlighter that your eyes have ever seen. Open source at <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/acd6a9276bf909b3693ae1dad1fc8dfe1beaa2d740ab29782ae14df42666edfc/https%3A//goo.gl/fmphc7%EF%BC%88%E8%BF%99%E6%98%AF%E4%B8%80%E4%B8%AA%E5%85%BC%E5%AE%B9chrome138%E7%89%88%E6%9C%AC%E4%BB%A5%E4%B8%8A%E7%9A%84MV3%E7%9A%84%E6%89%A9%E5%B1%95%EF%BC%89%E7%94%B1%E5%8E%9F%E5%A7%8BJSON" rel="nofollow">https://goo.gl/fmphc7（这是一个兼容chrome138版本以上的MV3的扩展）由原始JSON</a> Viewer升级扩展至 Manifest V3：<a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/0625dab88a0340cf97c97cc90b2686e7687892130eff93f0cbea44b9dfa9acca/https%3A//developer.chrome.com/docs/extensions/mv3/intro/mv3-migration/" rel="nofollow">https://developer.chrome.com/docs/extensions/mv3/intro/mv3-migration/</a>

## Rankings

- #109,935 — Overall
- #110 — json

## Permissions and access

### Permissions

- `storage`
- `scripting`

### Host permissions

- `<all_urls>`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/json-viewer-mv3)