New Chrome extension source viewer

Name: New Chrome extension source viewer
Rating: 3 (2 reviews)
Author: Reforgeextensions Team

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

As of May 2026, New Chrome extension source viewer has 410 users and a 3.00/5 rating from 2 reviews in the Developer Tools category.

Reforgeextensions Team Developer Tools

Chrome Web Store ↗.crx

Users−1.4%

410

Rating0%

3.00

2 reviews

Reviews0%

Version

1.0.0

Manifest V3

History

3 snapshots

Tracking since Apr 1, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 1, 2026	416	3.00	2	1.0.0
May 1, 2026	407	3.00	2	1.0.0
May 30, 2026	432	3.00	2	1.0.0
Now	410	3.00	2	1.0.0

Permissions & access

Permissions: tabsstoragecontextMenusdownloadsdeclarativeContent
Host access: *://clients2.google.com/service/update2/crx*, *://clients2.googleusercontent.com/crx/download/*

Screenshots

New Chrome extension source viewer screenshot 1

New Chrome extension source viewer screenshot 2

About

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

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
  - View any zip file by URL or file chooser
  - View source of platform-specific extensions (such as Chrome OS-only extensions, or NaCl for a different architecture).
  - Permalink to file and search result within a zip or extension file.
- Full support for incognito mode.
- Outputs public key and extension ID to the console.

Optional features (see options page):
- View source of Opera 15+ extensions, Edge extensions, Firefox addons or Thunderbird add-ons.
- "View extension source" contextmenu item on links to Chrome extensions
- View source of Chrome extensions outside the webstore. The View source button becomes visible when you select a CRX file for download.