Subtitle Time Shifter
Move SRT or VTT cue timestamps forward or backward by a specified number of milliseconds.
What this tool does
Move SRT or VTT cue timestamps forward or backward by a specified number of milliseconds.
Where this tool is useful
Fix subtitles that consistently appear too early or too late; negative times clamp to zero.
Example or format details
Fix subtitles that consistently appear too early or too late; negative times clamp to zero.
How to use Subtitle Time Shifter
- 1
Paste subtitle content in SRT or VTT syntax, including cue timing information.
- 2
Adjust the fields and options, then select Run tool.
- 3
Inspect the actual result. Copy the text or download the generated file when appropriate.
Privacy and processing
Entered content and chosen files are processed locally in your browser. No conversion request is sent to a freedropper server.
Common questions
What can I use this for?
Fix subtitles that consistently appear too early or too late; negative times clamp to zero.
What does the tool accept?
Paste subtitle content in SRT or VTT syntax, including cue timing information.
What should I check before using the output?
Shifting negative timestamps clamps them to zero. Review cues after large shifts to ensure no loss of timing relationships.
Does my input leave my device?
The utility runs in your browser. Selected content is not transmitted to a freedropper conversion service.
How can I reuse the result?
Copy the output or use the download control when the tool produces a file. Check the target application accepts the resulting syntax or file type.