Merge subtitles with video

Add SRT or VTT subtitles to an MP4 as a track viewers can switch on and off, without re-encoding.

Choose videoor drop it here · MP4, MOV, MKV, WebM, AVI, GIF
Subtitles (SRT, VTT or ASS)
  • Runs on your device. Files are never uploaded.
  • Free and unlimited. No sign-up, no watermark.
1

Add your file

Choose or drop it in. It opens right here in your browser.

2

Pick the settings

Or keep the defaults, which suit most files.

3

Download

Your file is made on your own device, then saved like any download.

More video tools

SRT to VTTConvert SRT subtitles to WebVTT for web video players.VTT to SRTConvert WebVTT subtitles to SRT for desktop players and editors.Extract SRT subtitlesPull the subtitles out of an MKV or MP4 video as SRT files.Shift subtitle timingMove SRT or VTT subtitles earlier or later so they match the video.Trim videoCut a video down to the part you want, to the exact frame.Combine videosJoin several clips into one video, in the order you choose.Compress videoMake a video file smaller while keeping it sharp.Add audioPut music or a voice-over on a video, or mix it with the original sound.