Does Gumlet supports adding captions or subtitles in the videos?

Yes, we support audio stream files but those files should be in any of the following formats:

  • MP3
  • MP4
  • Opus
  • FLAC
  • AC3
  • WAV
  • AAC

And make sure the subtitles need to be either an SRT or WebVTT file.
For more visit: Audio/Subtitle Streams

To add captions and subtitles please visit this link: Generate Subtitles

Additionally, you can read the comparison blogs listed here for extra details while you select the audio formats: