# Gem DevTools

> Gem DevTools Extension to inspect and debug Gem elements

Canonical page: [https://chrome-stats.com/d/gem-devtools](https://chrome-stats.com/d/gem-devtools)

## Overview

- **ID:** `gem-devtools`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** mantou132
- **Category:** web-development
- **Daily users:** 1
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 2.2.10
- **Last updated:** 2026-09-08
- **First published:** 2024-06-22
- **Size:** 117 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/gem-devtools/)
- **Website:** [https://github.com/mantou132/gem](https://github.com/mantou132/gem)

## Rankings

- #76,607 — Overall

## Permissions and access

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate 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 was recently updated in the past month. New updates 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).

## Similar extensions and apps

- [Vue.js devtools](https://chrome-stats.com/d/vue-js-devtls) — 19 users
- [Apollo Client Devtools](https://chrome-stats.com/d/apollo-developer-tools) — 5,660 users, 3.93 / 5
- [Vue.js devtools](https://chrome-stats.com/d/vue-js-devtools) — 54,825 users, 4.70 / 5
- [Vue Performance Devtool](https://chrome-stats.com/d/vue-performance-devtool) — 159 users, 2.60 / 5
- [Umbraco DevTools](https://chrome-stats.com/d/umbraco-devtools) — 2 users
- [Alpine.js devtools](https://chrome-stats.com/d/alpinejs-devtools) — 1,008 users, 4.71 / 5
- [Ext JS 3 DevTools](https://chrome-stats.com/d/ext-js-3-devtools) — 3 users
- [Dooksa DevTools](https://chrome-stats.com/d/dooksa-devtools)
- [MobX Developer Tools](https://chrome-stats.com/d/mobx-devtools) — 285 users, 5.00 / 5
- [TanStack Query DevTools](https://chrome-stats.com/d/tanstack-query-devtools) — 819 users, 5.00 / 5
- [Svelte Devtools](https://chrome-stats.com/d/svelte-devtools) — 1,231 users, 4.17 / 5
- [Gripper - DevTools for Designers](https://chrome-stats.com/d/gripper-devtools-for-designers) — 3 users

---

Source: [Chrome-Stats](https://chrome-stats.com/d/gem-devtools)