Preview, sync and annotate subtitles — VTT, TTML, IMSC 1.1, ITT, SRT.
| Space | Play / Pause |
| J | Shuttle back — press again to speed up (2×, 4×, 8×) |
| K | Stop |
| L | Shuttle forward — press again to speed up (2×, 4×, 8×) |
| ← → | Step one frame backward / forward |
| ↑ ↓ | Previous / next subtitle |
| Enter | Start writing a comment for the current subtitle |
| ⌘/Ctrl Enter | Confirm the comment and exit |
Inactive while typing in a text field (subtitle list, offset…), except ⌘/Ctrl Enter, which exits the comment box.
SRT does not declare a frame rate of its own. Pick the one that matches your video, so frame stepping, the offset and the displayed timecode stay accurate.