WRITING / TOOL 16
Subtitle converter & shift
Convert SRT and WebVTT subtitles and shift their timing.
Browser-local · No upload · Free
Your workspace
Your result
LOCAL ONLYReady when you are.
A small step from input to done.
Your result will appear here.A QUICK WALKTHROUGH
How to use it
- Paste subtitle text
- choose the output format and signed time shift
- download the new subtitle file.
TRY THIS EXAMPLE
A result you can check.
A cue at 00:00:01,000–00:00:03,000 shifted by +1.5 seconds becomes 00:00:02.500–00:00:04.500 in VTT.
Select Load example, then Run tool. Sample files are generated locally.
What to know
Text cues only. Header metadata, style blocks, regions, positioning settings and cue IDs are removed; inline cue markup is retained. Shifts that move any cue before zero are rejected.
Keep an original copy. Review the output before sharing or relying on it. Reset clears this workspace; inputs are not saved by Handyfold.