Twitch Replay is a Chrome add-on developed by damienbuk that allows users to download Twitch streams. With this app, you can easily download any stream on Twitch by simply pressing the Start button and then the Download button when you're ready.

One of the key features of Twitch Replay is the ability to download streams from multiple tabs at the same time. This means you can easily download multiple streams without any hassle.

In case you don't see the Replay extension controls, a simple page refresh by pressing CTRL+F5 should do the trick.

It's important to note that your browser will store the video until you download it. To avoid storing too many hours of stream on your browser, it is recommended to download the stream and then press the Clean button to empty your browser or refresh the page. Additionally, you can lower the resolution of the video to make the file size lighter.