Have you tried ToChunkA Smart TabS extension(https://chromewebstore.google.com/detail/tochunka-smart-tabs/djgplmmlaeekpcgjphelaboajmfgcdij https://chromewebstor

Have you tried ToChunkA Smart TabS extension(https://chromewebstore.google.com/detail/tochunka-smart-tabs/djgplmmlaeekpcgjphelaboajmfgcdij https://chromewebstore.google.com/detail/tochunka-smart-tabs...)? It organizes tabs and bookmarks by content similarity and does little more. Designed for tab hoarders in mind. :)