The first bookmarking app you will love

Found something useful? Click the button in your web browser,

Kozmos will organize it for you!

Made for everyone

Kozmos is designed to be a personal library for everyone. Researchers, ceramisists, engineers, pregnant women in paternal leave actively use it.

Watch user interviews:


Fast. Productive.

Looking for a bookmark you saved before ? Open up a new tab, start searching.

  • Privacy first.All bookmarks are stored in both your browser, and Kozmos privately.
  • Advanced search.Find your bookmarks not just by tags, also by searching their content.
  • Beautiful experience.Your new tab will get a new beautiful wallpaper every day.
  • Developer-friendlyKozmos provides APIs and SDKs for all users, so you can build on top of Kozmos.
  • Open SourceKey units of Kozmos infastructure, such as its database library that stores bookmarks in your web browser is open source.