How to create a Thumbnail Seeking File and vtt (SubTitle and caption File)

How to use the bitmovin service to build the thumbnail-seeking file and vtt (Close Caption) Files.
According to the documentation, it appears that BitMovie Player allows thumbnail previews and subtitles, just as YouTube, however, I can find no docs or guides that suggest that these files can be created instantly through encoding.

Our encoder supports sprites thumbnails. There is an API for that

Let us know in case you have any questions.

Hi Rajeshrai2006, I work for AI-Media, a Bitmovin Valued Partner and global captioning solutions provider. We have different ways of creating recorded closed captions, both automated and human-created. Feel free to drop me a line on here or via email at


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