Skip to main content

Sync

Solve Out of Sync​

Is your subtitle file our of sync? Whatsub can solve it.

Sync​

Syncing subtitles is easy just run whatsub sync with --sync (or -m for short) option.

--sync +TIME for moving forwards and --sync -TIME for moving backwards

TIME​

  • [NUMBER]h: e.g.) 2h for 2 hours
  • [NUMBER]m: e.g.) 15m for 15 minutes
  • [NUMBER]s: e.g.) 30s for 30 seconds
  • [NUMBER]: e.g.) 250 for 250 milliseconds

Examples​

  • 1h2m45s200: 1 hour 2 minutes 35 seconds and 200 milliseconds
  • 3m7s500: 3 minutes 7 seconds and 500 milliseconds
  • 1m200: 1 minute 200 milliseconds
  • 800: 800 milliseconds

Sync SMI​

Forwards​

Sync SMI subtitles 5 seconds forwards.

whatsub sync --sync +5s sub.smi sub-synced.smi

Or

whatsub sync -m +5s sub.smi sub-synced.smi

Or if you want to specify the subtitle type explicitly, you can do so like

whatsub sync --sub-type smi --sync +5s sub.smi sub-synced.smi

Or

whatsub sync -t smi -m +5s sub.smi sub-synced.smi

Backwards​

Sync SMI subtitles 5 seconds backwards.

whatsub sync --sync -5s sub.smi sub-synced.smi

Or

whatsub sync -m -5s sub.smi sub-synced.smi

Or if you want to specify the subtitle type explicitly, you can do so like

whatsub sync --sub-type smi --sync -5s sub.smi sub-synced.smi

Or

whatsub sync -t smi -m -5s sub.smi sub-synced.smi

Sync SRT​

Forwards​

Sync SRT subtitles 5 seconds forwards.

whatsub sync --sync +5s sub.srt sub-synced.srt

Or

whatsub sync -m +5s sub.srt sub-synced.srt

Or if you want to specify the subtitle type explicitly, you can do so like

whatsub sync --sub-type srt --sync +5s sub.srt sub-synced.srt

Or

whatsub sync -t srt -m +5s sub.srt sub-synced.srt

Backwards​

Sync SRT subtitles 5 seconds backwards.

whatsub sync --sync -5s sub.srt sub-synced.srt

Or

whatsub sync -m -5s sub.srt sub-synced.srt

Or if you want to specify the subtitle type explicitly, you can do so like

whatsub sync --sub-type srt --sync -5s sub.srt sub-synced.srt

Or

whatsub sync -t srt -m -5s sub.srt sub-synced.srt

Help​

whatsub sync --help
Usage:
  Whatsub sync [-t|--sub-type <sub-type>] -m|--sync <sync> <src> [<out>] [-h|--help HELP]

sync subtitles

Available options:
  -t|--sub-type <sub-type> A type of subtitle. Either smi or srt. Optional. If
                          missing, it gets the sub-type from the extension of the src file.
  -m|--sync <sync>        resync playtime (e.g. shift 1 hour 12 minutes 3
                          seconds 100 milliseconds forward: +1h12m3s100
  -h|--help HELP          Prints the synopsis and a list of options and arguments.

Positional arguments:
  <src>                   The source subtitle file
  <out>                   An optional output subtitle file. If missing, the result is printed
                          out.

Last updated on