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Last active August 28, 2015 21:24
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  1. @paulirish paulirish renamed this gist Aug 26, 2015. 1 changed file with 0 additions and 0 deletions.
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  2. @paulirish paulirish created this gist Aug 26, 2015.
    30 changes: 30 additions & 0 deletions howto.md
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    ## Option 1: Command-line download extension as zip and extract

    ```sh
    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](https://github.com/Rob--W/crxviewer/blob/6113c25e3569e1ec59365ad9a177aa97e2bcda61/src/cws_pattern.js#L27-L74).

    ## Option 2: Use the CRX Viewer extension

    The [Chrome extension source viewer](https://chrome.google.com/webstore/detail/chrome-extension-source-v/jifpbeccnghkjeaalbbjmodiffmgedin?hl=en) is open source ([github repo](https://github.com/Rob--W/crxviewer)) and makes this super easy.

    ![](https://lh6.googleusercontent.com/OV3gJcwk5QJk0lkLxta7t_m_hP1VSiJaIgd7w9XmxlVOVBaueTAHurfKSumlsVNXVR9hiEEOtQ=s640-h400-e365-rw)
    ![](https://lh5.googleusercontent.com/26b4cVeAY8VJgEcdavxxII5MTYf-QXnDdlFjgtd5X3EX3dQjzQJxTkuWilcY1HqUzjJPSVdlJg=s640-h400-e365-rw)

    ## 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](https://cloud.githubusercontent.com/assets/39191/9500889/d7ffe65a-4bdc-11e5-9cfd-06ac0cbe5497.png)