A VTT (WebVTT) file is a text file format used for captions and subtitles in HTML5 videos. WebVTT stands for Web Video Text Tracks, and it is a standard format for displaying timed text in web videos. VTT files can include information about the timing, positioning, and content of captions or subtitles.

How to open a VTT file:

1. Text Editors:

2. Web Browsers:

Programs that may open VTT files:

1. Video Players:

2. Media Players with Subtitle Support:

3. Web Development Tools:

Various apps that use files with VTT extension: