Why Can't I Load Local Images in My Chrome Extension?

Local Image Loading Troubles in Google Chrome Extensions

When attempting to manipulate a website's background image through a Chrome extension, users may encounter an issue where local images fail to load. This limitation stems from the extension's access restrictions.

To address this, developers must leverage Chrome's i18n support, which allows referencing extension content within CSS. Instead of directly referring to local image paths, use the following syntax:

background-image: url('chrome-extension://__MSG_@@extension_id__/images/main.png');

Ensure that the image files are included in the web_accessible_resources section of the manifest.json file to make them accessible to the extension. This will allow you to seamlessly load local images and modify the website's background as intended.

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