FoloKit

Add Subtitles to Video

Upload SRT or VTT, preview captions and export a subtitled video

About this tool

Upload UTF-8 SRT or VTT and play the preview to check timing and placement. Captions are burned into the exported MP4, with the original audio retained. This tool does not transcribe audio or apply custom styles from subtitle files.

Add English captions to a real spacewalk

Recorded NASA footage with our SRT captions actually burned into the video

Original footage
Subtitled MP4

Footage NASA Johnson · Public domain