Vinegar is a Safari extension that replaces the YouTube player with a minimal HTML video tag. It removes ads, restores picture-in-picture, and keeps videos playing in the background. The "can read information from webpages" text in the permission section is just unfortunate wording. Vinegar just needs access to the web page to find the YouTube player and replace it.
Add or modify ID3 tags and album covers for your music collection automatically.
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