New Chrome extension source viewer

SUMMARY

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.

The latest version of New Chrome extension source viewer is available on the Chrome web and is currently being used by 274 active users. The initial version was launched on 2023-12-15.

HOW TO INSTALL New Chrome extension source viewer FROM A CRX FILE

1. Download New Chrome extension source viewer CRX file
2. NOTE: Sometimes the browser may block downloading / installing CRX file from outside the Chrome Web Store. If so, you may need to download the ZIP file instead
3. In the URL bar, go to chrome://extensions
4. Enable Developer mode

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