On-device · Keep originals · Free downloads
Subtitle sync
Multiply cue times, then apply offset. Negative or reversed timing is rejected.
- 1Add files
- 2Settings & preview
- 3Review & download
Source files
Drop files here. You can keep adding more files.
Task settings
Add files to begin.
PDF page order
Move pages using buttons or drag. Rotate or remove each page.
Review & download
How to finish your task
Multiply cue times, then apply offset. Negative or reversed timing is rejected. Add files and review settings. Create the result, check the preview, actual size and limitations, then download a new file.
Practical example
Adjust subtitle offsets or timing scale and verify synchronization near the start, middle and end.
Scope and limitations
Multiply cue times, then apply offset. Negative or reversed timing is rejected.
Files are not uploaded to a server. Outputs are new files, so originals remain unchanged. Review the result before saving.
When is this useful?
Adjust subtitle offsets or timing scale and verify synchronization near the start, middle and end.
Input and result example
SRT/VTT cues + timing adjustment → retimed subtitlesExamples illustrate the workflow; actual size, support and recognition depend on the source and settings.