Join the thousands of Tor supporters building an internet powered by privacy. Make a donation today.
Through December 31, your gift will be matched 1:1, up to $300,000!
با ما بهصورت زنده گفتگو کنید!
Letterboxing is a Tor Browser feature that conceals a user's real window size from websites. It achieves this by adding margins to the browser window. The feature helps prevent fingerprinting users based on their window or screen size.