View source code of browser extensions from Chrome, Firefox, Opera, Edge, and other browsers. Works with CRX, XPI, and NEX files.
Users
45
+11 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#113K
#94K among extensions
Version
0.0.3
updated 14 May 2026
Users
monthly, 8 months
Latest, 16 Oct 2026:45 usersMove the mouse over the chart for any month
Ratings count
monthly, 8 months
Latest, 16 Oct 2026:1 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Extension Downloader & Source Viewer
A modern, redesigned Chrome Extension Source Viewer & Downloader extension allows you to view and download the source code of Chrome extensions directly from the Chrome Web Store and other sources.
Features
π¦ Download extensions as ZIP files
ποΈ View extension source code in a beautiful interface
π Search within files with regex support
π File filtering by type (code, markup, images, locales, misc)
π¨ Syntax highlighting for various languages
πΈ Image viewer with zoom controls
π Copy code to clipboard
πΎ Download individual files
π― New Modern Features:
β‘ Lightning-fast performance with modern React
π¨ Beautiful, responsive UI with TailwindCSS
π§ Built with WXT for better developer experience
πͺ Full TypeScript support
π― Better file organization and code structure
π Improved syntax highlighting
π± Better mobile-responsive design
Usage
- Via Extension Icon
-- Navigate to any extension on the Chrome Web Store
-- Click the CRX Viewer extension icon
-- Choose to either:
-- Download as ZIP: Directly download the extension
-- View Source: Open the source code viewer
- Via Context Menu
-- Right-click anywhere on a Chrome Web Store extension page
-- Select "View extension source code" or "Download extension as ZIP"
- Via Source Viewer
-- The source viewer provides:
-- File List: Browse all files in the extension
-- Filter Files: Filter by filename or type (code, markup, images, etc.)
-- Search: Search for text across all files
-- Syntax Highlighting: Automatic syntax highlighting for code files
-- Image Preview: View images with zoom controls
-- Download: Download the entire extension or individual files
*://clients2.google.com/service/update2/crx**://clients2.googleusercontent.com/crx/download/**://edge.microsoft.com/extensionwebstorebase/v1/crx**://addons.mozilla.org/**://*.addons.mozilla.org/**://addons.cdn.mozilla.net/**://addons.allizom.org/**://*.addons.allizom.org/**://addons-dev.allizom.org/**://addons-dev-cdn.allizom.org/*and 4 more
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