Chrome extension source viewer

View source code of Chrome extensions, Firefox addons or Opera extensions (crx/nex/xpi) from the Chrome web store and elsewhere.

Chrome Extension Source Viewer: Analyze Extension Files

"Chrome extension source viewer" is a powerful tool that extracts and displays the source code of Chrome extensions, Firefox addons, or Opera extensions, right from the Chrome Web Store or elsewhere. With features including file filtering, code beautification, image preview, permalink generation, and source code downloading, it offers a comprehensive view of extension files. It supports incognito mode, offers optional features and is continuously updated for improved performance.
Install from Chrome Web Store

Extension stats

Manifest V3
By: Rob W
Users: 100,000+
Version: 1.7.0 (Last updated: 2023-12-11)
Creation date: 2019-08-30
Permissions:
  • tabs
  • storage
  • contextMenus
  • downloads
  • declarativeContent
Host permissions:
  • *://clients2.google.com/service/update2/crx*
  • *://clients2.googleusercontent.com/crx/download/*
Size: 232.45K
Full description: See detailed description

Other platforms

Not available on Android
Extension source viewer (v1.7.0)
1,707+ 4.79 (111)
Not available on Edge

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Works as intended and helps in reviewing source code before installation
  • User-friendly and provides valuable insights for building browser extensions
  • Quick recovery from Chrome Web Store changes
  • Updated to function with Google's Manifest Version 3
  • Helps identify potentially malicious extensions
Cons
  • Occasional non-functionality issues
  • Some users report the extension not working at all
  • Requests for additional features like time of vote
  • Need for support with the new Chrome Web Store interface
Most mentioned
  • Extension used for viewing source code
  • Ability to check for malicious code before installation
  • Recent updates addressing compatibility with Manifest Version 3
User reviews
Very useful. I used this extension to check whether it needed the tabs permission. It doesn't, it could use activeTab instead, so I have knocked 1 star off.
by Mythical 5th, 2025-03-08

Doesn't work
by Maroš Jendrál, 2025-01-13

thx for author, very usefull extention <3
by shishak_ne, 2024-10-27
View all user reviews

Extension safety

Risk impact

Chrome extension source viewer requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk impact analysis details
  • Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
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Risk likelihood

We don't have sufficient data to confidently determine the risk likelihood of Chrome extension source viewer. Use it at your own risk.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
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