Perfect alignment, every time.

Our engine analyzes audio patterns to perfectly synchronize your subtitles in seconds.

Subtitle Speech Synchronizer
Max adjustment: 30 min
0%
Synchronizing...
Analyzing waveform structure and mapping dialogue timestamps.
WORKSPACE / BATCH SYNCHRONIZATION

Batch Processing

Automate alignment for multiple subtitle tracks against reference audio or video.

subtitles
references
outputs
Status: Task 0 / 0
Elapsed: 0:00
Current file:
Total progress:

Settings

Default subtitle languageApplied to new tasks
Default reference languageApplied to new tasks
Output encodingAll synced subtitles are exported as
UTF-8
Speech enginePowered by Vosk (Kaldi-based)
Active
Max upload sizePer file limit
100 GB