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 Extension
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.
Source code: https://github.com/Rob--W/crxviewer
Online demo: https://robwu.nl/crxviewer/
Contact: [email protected]
Change log:
- 1.2.3:
Add \"downloads\" permission to make sure that the \"Download\" button always works as intended.
- 1.2.4:
Add extra parameters to the CRX URL to make sure that CRX files of extensions uploaded to the Chrome Web Store after July 2014 are correctly read.
- 1.2.6: Sync options, use optionsV2, show numeric progress instead of dots, updated JSBeautifier, restore font size.
- 1.2.7: Bugfixes (viewer height, checkbox filter).
- 1.3:
Support Firefox addons (also available as a Firefox addon!)
Search within files
Customize webstore download parameters
View embedded zip files and any zip file
- 1.3.1: Use correct URL for loading extension files.
- 1.3.2: Bugfix to allow unusual extension URLs to be opened again.
- 1.4: New syntax highlighter, improved search controls, improved word wrap.
- 1.5: Calculate hashes, add link to Github project page, bugfix for case-sensitive search.
- 1.6: Improved search highlighting & also search in beautified content.
- 1.6.2: Configurable \"primary action on click\", open new tab next to current tab.
- 1.6.4: Support the new CRX3 Chrome extension file format (#62).
- 1.6.6: Permalink support, Firefox add-on finder.
- 1.6.7: Fix broken extension due to bug with storage access and NativeCrxBindings.
- 1.6.8: Support CRX3 file format from CWS; support some other AMO domains.
- 1.6.9: Add option to add the context menu item to more links (#69), open new tabs via context menu next to current tab.
- 1.6.10: Improve syntax highlighting (perf, highlighting of WebAssembly source), show sum of file sizes.
- 1.6.11: Add \"Extension ID\" row at Analysis of manifest.json, improve CRX3 public key detection, improve zip fallback detection.
- 1.6.12: Support source viewing of Edge and Thunderbird extensions, recognize CRX3 from Opera, update beautifier.
- 1.6.13: Work around Chrome bug that broke the extension button (#120).
- 1.7.0: Support new Chrome Web Store (#134), and migrate to Manifest Version 3.
Source Manifest.json
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User reviews
George Kolasa (ID: 000000a081804ded) Voted 5 ★ - Updated 10/10/2023
Loc Quan (ID: 000000ffec1d6b17) Voted 5 ★ - Updated 10/01/2023
Mickaël BELLANGER (ID: 000000d7f8eb9a9a) Voted 5 ★ - Updated 08/29/2023
Obi Wan Kenobi (ID: 00000063466025b6) Voted 5 ★ - Updated 08/19/2023
Jorgen Creeman (ID: 0000008576dcefde) Voted 5 ★ - Updated 07/23/2023