How to use subtitle timing shifter
Move SRT or VTT caption timestamps earlier or later by an offset. This browser tool shows the inputs, assumptions and resulting output so you can use it for a specific everyday task.
- Enter your own values or choose a supported file.
- Adjust the options and run the tool.
- Review the result, then copy, export or save it when available.
Try this next
Shift captions 1.5 seconds later while preserving their text and cue order.
Negative offsets can put cues before zero; choose whether to clamp or reject them, and inspect synchronization with the actual video.
Questions, answered.
Is subtitle timing shifter free to use?
Yes. This tool is part of Nepocore’s free browser toolkit. There is no paid tier, file-download gate or application account required.
What should I check before using the result?
Negative offsets can put cues before zero; choose whether to clamp or reject them, and inspect synchronization with the actual video.
Does this tool upload my files or text?
The tool processes its input in your browser. File contents and text are not sent to a processing server. See the privacy page for local storage and hosting details.