µBlockот uBlock, LLC

A fast, effective, and lean ad blocker. Blocks ads, trackers, and protects your privacy.

The official uBlock extension. https://www.ublock.org/

uBlock is an ad and content blocker designed to be lightweight and efficient. uBlock blocks ads on all websites, including Facebook and YouTube. uBlock also protects you against malicious crypto-mining scripts used by sites to use your CPU and slow down your web browsing. One of the fastest adblockers available, uBlock is easy to set up, easy to use, and can also support flexible customization -- from adding your own custom filter lists to powerful Dynamic Filtering and more.

uBlock has been downloaded millions of times and is used all over the world. Please install today and enjoy a hassle-free browsing experience.

Illustrated overview of its efficiency:
https://github.com/uBlock-LLC/uBlock/wiki/uBlock-vs.-ABP:-efficiency-compared

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Free.
Open source with public license (GPLv3)
For users by users.

If ever you really do want to contribute something, think about the people working hard to maintain the filter lists you are using, which were made available to use by all for free.

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Documentation:
https://github.com/uBlock-LLC/uBlock/wiki

Project changelog:
https://github.com/uBlock-LLC/uBlock/releases

Contributors @ Github:
https://github.com/uBlock-LLC/uBlock/graphs/contributors