https://chrome.google.com/webstore/detail/hacker-news-collapse/pdlifinplmfmoeppfooipommbdljhdmp?utm_source=chrome-app-launcher-info-dialog https://chrome.google

https://chrome.google.com/webstore/detail/hacker-news-collapse/pdlifinplmfmoeppfooipommbdljhdmp?utm_source=chrome-app-launcher-info-dialog https://chrome.google.com/webstore/detail/hacker-news-collap... I don't know about other browsers, but this works OK on Chrome.