YouTube ad block is a free Chrome add-on developed by tomoki. As the name suggests, this add-on allows users to hide ads that appear while watching YouTube videos. It also provides the option to hide ads that appear in the middle of the video, offering a more seamless viewing experience.

With YouTube ad block, users can enjoy uninterrupted video playback without the annoyance of ads interrupting their viewing. The add-on is easy to install and use, seamlessly integrating into the Chrome browser. By simply enabling the add-on, users can say goodbye to those pesky ads on YouTube.

Overall, YouTube ad block is a useful tool for anyone who wants to enhance their YouTube watching experience by removing ads. It's a simple and effective solution for those who prefer an uninterrupted viewing experience.