Hide Anything - Element Hider for Firefox автор Excelling Apps

Once you decide what you want to remove, hold down Ctrl, then hold Left click and drag a rectangle over any web element.

Sitemask is an element hider that keeps the layout of the website intact.

Clean up your favorite websites and remove distractions with just a few clicks.

Features:
🔺Easy to use
🔺Hide any distracting web element (Element hider)
🔺Block intrusive ads from being displayed (Fair ad blocker)
🔺Automatically selects the right color
🔺Persist blocked elements on page reload