Comment on any webpage


Blackbox reimagines internet discourse. Make every webpage a place for discussion.


Add the Chrome Extension


Pin to toolbar

Click the extensions icon (puzzle piece) at the top right of Chrome. In the list, click the pin icon to the right of Blackbox.


Join the discussion

Press the pinned Blackbox icon to anonymously comment on any webpage. The icon's green badge displays the number of comments on the current webpage. Remember, only other Blackbox users can see your comments.


"It's like writing on the bathroom wall but for websites"

© 2023 Blackbox
A SAWDOG Project