Space Portal is a free Chrome add-on developed by mitsuhiromurawaki. This add-on provides a convenient way to save files found on the web directly to Google Drive. With just a right-click, users can quickly save files to their Google Drive, eliminating the need to download files to their local machine and then manually upload them to the cloud storage.

In addition to file management, Space Portal also offers seamless integration with Scrapbox, a popular note-taking and collaboration tool. Users can create a new Scrapbox page simultaneously when saving a file to Google Drive, making it easy to keep track of the files and their related information.

Overall, Space Portal is a useful tool for Chrome users who frequently save files from the web and utilize Scrapbox for note-taking and project management. Its simple and intuitive interface makes file management and Scrapbox integration effortless.