Overcast: Mark as Played is a free Chrome extension developed by Steve Grunwell. It falls under the category of Browsers and is specifically classified as an Add-ons & Tools subcategory. This extension aims to enhance the user experience on Overcast.fm by adding a "Mark as Played" button to podcast episodes.

If you often switch between podcast apps, you might find that your Overcast.fm history suggests episodes you have already listened to. With Overcast: Mark as Played, you can easily mark episodes as played with just a click of a button on the Overcast.fm site. This feature makes it convenient to keep track of the episodes you have already enjoyed.

It's important to note that this extension is not affiliated with Overcast or its owner. It is developed by a fan and premium subscriber of the platform, Steve Grunwell.