Speech-to-text-Ex is a Chrome extension developed by rivkib211. It is a free tool that aims to assist users in understanding YouTube videos that do not have subtitles in Hebrew or any other language. This extension provides real-time transcription of the video, allowing users to read along with the spoken words.

With Speech-to-text-Ex, all you need to do is click, and the corresponding transcription for the current second will appear on the screen. The transcription is synchronized with the video's tempo, ensuring an accurate representation of the spoken content in Hebrew. This feature greatly enhances the accessibility and comprehension of YouTube videos, especially for those who rely on subtitles to understand the content.

Overall, Speech-to-text-Ex is a useful add-on for Chrome users who require real-time transcriptions for YouTube videos in Hebrew. It provides a convenient and accessible way to follow along with the spoken content, making it easier to understand and engage with videos that lack subtitles.