Marklet Extension is a free Chrome add-on developed by Marklet, Inc. that allows users to instantly add any website to their Marklet account. To use the extension, users first need to sign up for a Marklet account, which can be done for free in just 20 seconds on the Marklet website.

Once installed, the Marklet Extension enables users to add new marklets to their account as they browse the web. With a simple click of the "m" button located to the right of the address bar, users can select a category and instantly save the current page or video to their Marklet account. This feature ensures that the saved content is accessible on all of the user's devices, providing seamless access to their bookmarked websites.

With its easy-to-use interface and quick functionality, Marklet Extension is a convenient tool for users who want to organize and access their favorite websites effortlessly.