# Scratch Addons

> Scratch Addons provides customizable features and themes for the scratch.mit.edu website and project editor.

Canonical page: [https://chrome-stats.com/d/scratch-messaging-extension](https://chrome-stats.com/d/scratch-messaging-extension)

## Overview

- **ID:** `scratch-messaging-extension`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** griffpatch
- **Category:** other
- **Daily users:** 8,593
- **Weekly downloads:** 254
- **Rating:** 4.69 / 5 (158 ratings)
- **Version:** 1.45.2
- **Last updated:** 2026-04-30
- **First published:** 2016-02-13
- **Size:** 3.86 MB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/scratch-messaging-extension/)
- **Website:** [https://scratchaddons.com/feedback](https://scratchaddons.com/feedback)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/scratch-messaging-extension/privacy/](https://addons.mozilla.org/firefox/addon/scratch-messaging-extension/privacy/)

## Description

Scratch Addons is a powerful Chrome extension designed to enhance your experience on the Scratch website. Offering over 100 customizable options, it allows you to beautify every page with 3.0 style, dark mode, and custom color themes. Users can easily access multiplayer cloud games, manage studios, and improve project handling with features like the My Stuff search bar and unshare button.

The extension boosts coding efficiency through tools such as block search, searchable dropdowns, and copy/paste functionality. It also enhances the project player with pause buttons, 60FPS support, and gamepad compatibility. Additional functionality includes onion skinning for animation, debugging tools, auto-hiding palettes, and the ability to freeze project thumbnails as images or GIFs. Open source under GPL v3, Scratch Addons empowers Scratch users to customize and optimize their creative journey.

## Rankings

- #846 — Overall
- #118 — Other extensions
- #11 — match
- #35 — tons
- #37 — invite
- #47 — project

## Permissions and access

### Permissions

- `cookies`
- `webRequest`
- `webRequestBlocking`
- `declarativeNetRequestWithHostAccess`
- `storage`
- `contextMenus`
- `alarms`

### Host permissions

- `https://scratch.mit.edu/*`
- `https://api.scratch.mit.edu/*`
- `https://clouddata.scratch.mit.edu/*`

### Content script matches

- `scratch.mit.edu`

## Safety

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

### Analysis details

- Allows the extension to observe and analyze traffic in flight for the selected hosts.
- 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).

## Review summary

Overall, reviews are very positive, highlighting extensive customization, the ability to emulate older Scratch editors (1.4/2.0), and a dark mode for easier viewing. Users feel it enhances Scratch beyond the default experience. A minority note a Firefox-specific bug where selections can be turned off after some time, and some request improved cross-version editor consistency, but these do not detract from the broadly favorable sentiment.

### Pros

- Extensive UI customization options beyond the default Scratch.
- Ability to emulate older Scratch editors (1.4/2.0) and adjust layout/settings.
- Dark mode for easier viewing and reduced eye strain.
- Overall enhancement with extra features that improve Scratch usability.

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Source: [Chrome-Stats](https://chrome-stats.com/d/scratch-messaging-extension)