The debugger permission
An extension holding debugger can
attach to pages with the same tools a developer uses, which allows reading and changing almost anything in them.
We weight it 25 out of 100 when scoring how much an extension can reach. That is a measure of capability, not of behaviour: plenty of extensions need this to do their job.
- Extensions we track using it
- 490
- Share of those we have checked
- 0.7%
- Risk weight
- 25/100
Who asks for it
Out of the 67,225 extensions we have examined, 490 declare this permission. These are the largest of them by user count.
| Extension | Platform | Users | Reach |
|---|---|---|---|
| Screen Recorder & Screenshot App for Chrome | Scrnli | Manifest V3 | 1M | 97 |
| Voice In - Voice Typing & Speech-to-Text Dictation | Manifest V3 | 600k | 80 |
| axe DevTools - Web Accessibility Testing | Manifest V3 | 400k | 60 |
| Angular DevTools | Manifest V3 | 300k | 65 |
| GraphQL Network Inspector | Manifest V3 | 100k | 80 |
| Katalon Recorder (Selenium tests generator) | Manifest V3 | 100k | 100 |
| Kortex Notebook: Best Gemini NotebookLM Toolkit | Manifest V3 | 100k | 77 |
| Rewards Search Automator | Manifest V3 | 60k | 78 |
| BrowserStack Accessibility Toolkit | Manifest V3 | 40k | 100 |
| Testing Toolkit: 15+ Essential Manual Testing Tools | Manifest V3 | 30k | 100 |
| Screenshot Entire Webpage | Manifest V3 | 30k | 43 |
| Page diagnostics for SharePoint | Manifest V3 | 30k | 100 |
| Easy Screenshot - a Web Clipper | Manifest V3 | 20k | 45 |
| MT Auto Clicker | Manifest V3 | 10k | 78 |
| AnyGen Browser Operator | Manifest V3 | 10k | 100 |
| 凌风TEMU工具箱 | Manifest V3 | 10k | 100 |
| Dart Debug Extension | Manifest V3 | 10k | 55 |
| Automa Scraper | Manifest V3 | 10k | 100 |
| Core Web Vitals Test | Manifest V3 | 8k | 70 |
| Kapture MCP Browser Automation | Manifest V3 | 8k | 55 |
| Tapicker - A Web Automation Data Scraper | Manifest V3 | 8k | 65 |
| Marfeel Copilot | Manifest V3 | 7k | 78 |
| TakeScreenshot – capture area, full page or scrolling screenshot | Manifest V3 | 7k | 78 |
| HTML To Elementor | Manifest V3 | 5k | 55 |
| Gamepad to Keyboard Mapper | Manifest V3 | 5k | 55 |
Counts are of extensions we have checked ourselves, not of the whole Chrome Web Store. Chrome's own reference for developers: developer.chrome.com. How we weight permissions