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Tampermonkey - Greasemonkey compatible script manager.
Random User-Agent - Automatically change the user agent after specified period of time to a randomly selected one, thus...
Violentmonkey - Violentmonkey is a userscript manager to support running userscripts in web pages.
User-Agent Switcher and Manager - spoofs browser's User-Agent string.
Image Saver - Save any images in page directly from context menu, this includes svg elements, css background images and direct child images.
Vytal - Check if your location is actually hidden.