WebVTT, short for Web Video Text Tracks, is a popular format used for displaying captions, subtitles, and descriptions in HTML5 videos. It provides a standardized way to synchronize text content with multimedia elements, enhancing accessibility and user experience.

With WebVTT, developers can easily add timed text tracks to their videos, ensuring that the content remains accessible to a wider audience, including those with hearing impairments or language barriers. The format supports various text styling options, such as font size, color, and positioning, allowing for customization and seamless integration with the video player.

WebVTT files are written in plain text and follow a specific syntax, making them easy to create and edit. They consist of cue blocks, each containing a timestamp and associated text content. These cues can be displayed and hidden at specific times during video playback.

Overall, WebVTT is a powerful tool that promotes inclusivity and improves the overall video-watching experience on the web. Its simplicity, flexibility, and compatibility with HTML5 make it an essential component for multimedia developers and content creators.