"What did you say?" is a free Chrome extension developed by Kirtan Purohit. This extension allows users to rewind 10 seconds and turn on subtitles while watching videos. With this extension, users can easily go back a certain number of seconds (which is customizable) and enable subtitles to catch up on missed dialogue or audio.

The main purpose of "What did you say?" is to enhance the user's video-watching experience by providing a quick and convenient way to rewind and understand what was said. Whether you missed a crucial piece of information or simply want to replay a particular section, this extension makes it easy to do so without any hassle.

In addition, the developer has mentioned that keyboard shortcuts will be introduced in the next update, further improving the accessibility and usability of the extension.

So, if you often find yourself asking "What did you say?" while watching videos, this Chrome extension can be a valuable tool to ensure you never miss out on important dialogue or audio moments.