Extension Source Viewer
online Freegithub.com
Quick Facts
Open Source
Yes
GitHub
Platforms
web
API Available
no
Account
Required
Skill Level
beginner
Offline Capable
Yes
Output Formats
txt
What it does
Browser extension that lets you view the source code of Chrome, Firefox, Opera, and Edge extensions directly from their web stores without installing them. Features include download-as-zip, regex file filtering, string search across all files, automatic code beautification, syntax highlighting, and image preview. Available on all major browser extension stores.
When to use it
- Auditing extensions before installation
- Analyzing potentially malicious extensions
- Reviewing extension permissions and code
- Extracting resources from extensions
When not to use it
- Bulk extension analysis (use ExtAnalysis)
- Risk scoring (use Spin.AI)
- Already-installed extension analysis
Limitations
- Requires browser extension installation
- Manual analysis only
- No automated vulnerability scanning
Frequently Asked Questions
Is Extension Source Viewer free to use?
Yes, Extension Source Viewer is completely free to use with no subscription required.
What platforms does Extension Source Viewer support?
Extension Source Viewer is available on Web (browser).
Does Extension Source Viewer require an account?
No, Extension Source Viewer does not require an account. You can use it without signing up.
Is Extension Source Viewer open source?
Yes, Extension Source Viewer is open source. The source code is available on GitHub.
What are the limitations of Extension Source Viewer?
Requires browser extension installation Manual analysis only No automated vulnerability scanning
What does Extension Source Viewer do?
Extension Source Viewer is a web-based tool for browser extension analysis. Browser extension that lets you view the source code of Chrome, Firefox, Opera, and Edge extensions directly from their web stores without installing them. Features include download-as-zip, regex file