Frequently Asked Questions
What is a VTT file?
The WebVTT subtitle file format (.vtt) is widely supported. It is a human-readable file format where the subtitles are stored sequentially along with the timing information. Most subtitles distributed on the Internet are in this format.
What is a PDF file?
The Portable Document Format is a file format developed by Adobe in the 1990s to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems.