"HN Mark All Read" is a great option. I maintain a fork [1] of the original, as the author stopped supporting long time ago. Source code here [2]. [1] https://

"HN Mark All Read" is a great option. I maintain a fork [1] of the original, as the author stopped supporting long time ago. Source code here [2]. [1] https://chrome.google.com/webstore/detail/hacker-news-mark-all-read/fghfahcbhpdeeaaofcefaoodmfejieok https://chrome.google.com/webstore/detail/hacker-news-mark-a... [2] https://github.com/guiambros/HNMarkAllRead https://github.com/guiambros/HNMarkAllRead