Install and manage extensions - Chrome Web Store Help
https://support.google.com/chrome_webstore/answer/2664769?hl=en
WebOn your computer, open Chrome. At the top right, click More Extensions. On the extension, click Details. Under “Permissions,” add or remove a site: Add: To the right of “Allowed sites,” click Add. If you can't find this option, change “Allow this extension to read and change all your data on websites you visit” to On specific sites.
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