Yi Subtitles is a free video subtitle plugin that provides bilingual subtitles for audio and video content. It supports popular video platforms such as YouTube and Bilibili, as well as local subtitle files and embedded subtitles. The plugin allows users to adjust playback speed, repeat segments, and even block parts of the screen. Designed to aid language learners, it offers features like translation of words, phrases, and full sentences, as well as shortcuts for navigating subtitles. With support for 135 languages, Yi Subtitles is a versatile tool for enhancing your understanding and enjoyment of video content.

The YouTube AI Speed Adjuster is an innovative Chrome extension that utilizes AI technology to modify video playback speeds effortlessly. Users can adjust the speed according to their viewing needs, with options for increasing or decreasing pace while maintaining audio quality. This tool not only enhances engagement but also aids in learning, allowing for an optimized video experience whether you're binge-watching or studying educational material.