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

By: Rob W
Users: 100,000+
Version: 1.7.0 (Last updated: 2023-12-11)
Creation date: 2019-08-30
Risk impact: High risk impact
Risk likelihood:
Manifest version: 3
Permissions:
  • tabs
  • storage
  • contextMenus
  • downloads
  • declarativeContent
Host permissions:
  • *://clients2.google.com/service/update2/crx*
  • *://clients2.googleusercontent.com/crx/download/*
Size: 232.45K

Other platforms

Not available on Android
Extension source viewer (v1.7.0)
4.79 (108) 1,754+
Not available on Edge
Want to check extension ranking and stats more quickly for other Chrome extensions? Install Chrome-Stats extension to view Chrome-Stats data as you browse the Chrome Web Store.

Extension summary

View the source code of any Chrome extension in the Chrome Web store without installing it.

Features:

  • Button at the Chrome Web store
    • Download extension as zip file
    • View source
    • Configurable via context menu on button: Set one-click action via "primary action on click".
  • View source:
    • File name/type filter
    • Search in the file content (literal or regexp)
    • Automatic beautification (formatting) of code
    • Syntax highlighting
    • Show hashes (md5, sha1, sha256, sha384, sha512) of individual files
    • Image preview
    • View embedded zip files
See more

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 Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.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 great for viewing and downloading extensions
  • Helps users learn about browser extension development
  • Provides security by allowing inspection of source code before installation
  • Responsive updates from developers when Chrome Web Store changes occur
Cons
  • Not working anymore for some users, possibly due to new Chrome Web Store changes
  • Some users experienced issues with the icon not working correctly
Most mentioned
  • Works great
  • Security and ability to inspect source code
  • Useful for learning about extension development
User reviews
by Alexander Gerber, 2025-01-16

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

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 likelihood

Chrome extension source viewer has earned a good reputation and can be trusted.

Upgrade to see risk analysis details

Similar extensions

Here are some Chrome extensions that are similar to Chrome extension source viewer: