# Scratch 3 Developer Tools

> Scratch 3 Developer Tools to enhance your Scratch Editing Experience on https://scratch.mit.edu

Canonical page: [https://chrome-stats.com/d/scratch-3-developer-tools](https://chrome-stats.com/d/scratch-3-developer-tools)

## Overview

- **ID:** `scratch-3-developer-tools`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** griffpatch
- **Category:** web-development,search-tools
- **Daily users:** 159
- **Weekly downloads:** 5
- **Rating:** 4.53 / 5 (17 ratings)
- **Version:** 1.24.3
- **Last updated:** 2022-02-11
- **First published:** 2019-09-20
- **Size:** 97 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/scratch-3-developer-tools/)
- **Website:** [https://scratch.mit.edu/users/griffpatch/](https://scratch.mit.edu/users/griffpatch/)

## Description

Scratch 3 Developer Tools is a powerful Chrome and Firefox extension designed for serious Scratch coders seeking to improve their editing workflow on https://scratch.mit.edu. Created by the well-known Scratch community member Griffpatch, this tool offers seamless navigation to custom blocks, event receivers, and hat blocks within your Scratch projects. Features include a handy find box for quick block access, keyboard shortcuts for efficient navigation, and advanced script tidying that organizes your blocks better than the default Scratch tool.

Regular updates have enhanced the extension with bug fixes, improved help tutorials, keyboard navigation, context menu options like copy/paste and block cleanup, and variable management capabilities. Whether you're managing variables and lists or simply want a faster, cleaner way to edit Scratch projects, Scratch 3 Developer Tools elevates your coding efficiency and enjoyment. Visit Griffpatch's Scratch profile for more information and support.

## Rankings

- #9,264 — Overall
- #8 — developer tools
- #14 — developer
- #36 — development
- #51 — x scraper
- #60 — tools

## Permissions and access

### Content script matches

- `scratch.mit.edu`
- `llk.github.io`

## Safety

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

### Analysis details

- Injects scripts into web pages, which may alter or extract site contents, resulting in a substantial risk.
- 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/scratch-3-developer-tools)