TimeMarks is a free Chrome add-on developed by yosh-is. It falls under the category of Browsers and is specifically classified as an Add-ons & Tools application.

TimeMarks allows users to save timestamps of the currently viewed videos on YouTube. This can be useful for those who want to revisit a specific point in a video or save the timestamp of a favorite phrase from a content creator they admire. With TimeMarks, users can easily mark and save these timestamps for future reference.

If you frequently watch videos on YouTube and find yourself wanting to save specific moments, give TimeMarks a try. It's a handy tool that can enhance your video-watching experience.