Extension source viewer by Rob W
View source code of Firefox add-ons and Chrome extensions (crx/nex/xpi) from addons.mozilla.org, the Chrome Webstore and elsewhere, with CRX Viewer (crxviewer).
You'll need Firefox to use this extension
Extension Metadata
Screenshots
About this extension
Adds a button to right of the address bar when a Firefox add-on or Chrome extension is detected. This also includes extensions for the Opera and Edge browsers and Thunderbird.
This button shows two options:
- Download extension as zip file
- View source
The default action (showing the above options) can be changed via the "Primary action on click"
menu that appears when you right-click on the extension button.
It also adds a context menu item on Firefox and Chrome extension links.
The "View source" option opens a new tab with a simple viewer, with the following features:
- Download-as-zip and download-as-crx at the upper-right corner.
- List of file names, and the option to filter files with a regular expression.
- Find files containing a string, or with content matching a regular expression.
- Quickly jump between search results, or from/to a specific line.
- Automatic beautification (formatting) of code
- Syntax highlighting
- Image preview
- Show hashes (md5, sha1, sha256, sha384, sha512) of the file content.
- View content of embedded zip files.
- Download Chrome Web Store extensions for a different platform (e.g. Chrome OS or NaCl).
- View the contents of any URL or zip file.
- Get permalink to file and search result within a zip or extension file.
Also known as: crxviewer and CRX Viewer.
This button shows two options:
- Download extension as zip file
- View source
The default action (showing the above options) can be changed via the "Primary action on click"
menu that appears when you right-click on the extension button.
It also adds a context menu item on Firefox and Chrome extension links.
The "View source" option opens a new tab with a simple viewer, with the following features:
- Download-as-zip and download-as-crx at the upper-right corner.
- List of file names, and the option to filter files with a regular expression.
- Find files containing a string, or with content matching a regular expression.
- Quickly jump between search results, or from/to a specific line.
- Automatic beautification (formatting) of code
- Syntax highlighting
- Image preview
- Show hashes (md5, sha1, sha256, sha384, sha512) of the file content.
- View content of embedded zip files.
- Download Chrome Web Store extensions for a different platform (e.g. Chrome OS or NaCl).
- View the contents of any URL or zip file.
- Get permalink to file and search result within a zip or extension file.
Also known as: crxviewer and CRX Viewer.
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PermissionsLearn more
This add-on needs to:
- Download files and read and modify the browser’s download history
- Access browser tabs
- Access your data for all websites
More information
- Add-on Links
- Version
- 1.7.0
- Size
- 241.7 KB
- Last updated
- 10 months ago (Dec 10, 2023)
- Related Categories
- License
- Mozilla Public License 2.0
- Version History
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Release notes for 1.7.0
- Support new Chrome Web Store URL (#134).
- Migrate Firefox extension to event page.
- Open viewer in same container tab when applicable.
- Migrate Firefox extension to event page.
- Open viewer in same container tab when applicable.
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