What you can do
Shift every subtitle timestamp earlier or later.
- Positive/negative shift
- Milliseconds or seconds
- Preview entries
- Prevent invalid negative timing
Subtitle Timestamp Shifter
Shift every subtitle timestamp earlier or later.
Private processing
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Privacy & processing
This workflow is designed to process your own file or text on this device. AG Creator Tools does not silently upload difficult local media to a server.
Processing engine: Subtitle Parser/Serializer
How to use Subtitle Timestamp Shifter
- Paste SRT or VTT text.
- Enter a positive or negative shift and choose seconds/milliseconds.
- Apply the shift.
- Review and download the corrected subtitle file.
AG Creator Tools reports unsupported formats, permissions, quota states or device limits clearly instead of claiming a result it cannot produce.
Inputs, outputs and useful limits
Input
SRT/VTT subtitles plus a timing offset.
Output
The same subtitle format with shifted cue times.
Important limits
- Times are clamped so output does not become negative.
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Common questions about Subtitle Timestamp Shifter
How do I make subtitles appear earlier?
Use a negative shift value, for example -1.5 seconds.
How do I delay subtitles?
Use a positive shift value.
What happens to cues that would become negative?
Creator Kit prevents invalid negative output by clamping times at zero.