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qbektrix/how-to-view-source-of-chrome-extension.md

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Last active August 29, 2015 06:28
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How to view-source of a Chrome extension
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how-to-view-source-of-chrome-extension.md

Option 1: Command-line download extension as zip and extract

extension_id=jifpbeccnghkjeaalbbjmodiffmgedin   # change this ID
curl -L -o "$extension_id.zip" "https://clients2.google.com/service/update2/crx?response=redirect&os=mac&arch=x86-64&nacl_arch=x86-64&prod=chromecrx&prodchannel=unknown&prodversion=44.0.2403.130&x=id%3D$extension_id%26uc" 
unzip -d "$extension_id-source" "$extension_id.zip"

Thx to crxviewer for the magic download URL.

Option 2: Use the CRX Viewer extension

The Chrome extension source viewer is open source (github repo) and makes this super easy.

Option 3: View source of locally installed extension

  1. Find your Chrome local profile directory. Open chrome://version/ and find the "Profile Path:` field. Open that folder up.
  2. Open the Extensions/ subfolder
  3. All your extensions are here, with typically readable source.

Mapping between locally installed extension IDs and names

  • On about:extensions, turn on Developer Mode and you'll see IDs under each entry
  • Inside the Extensions/ folders, the manifest.json has a readable name field

image

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