Subtitle Timestamp Shifter
Shift validated UTF-8 SRT or VTT cues by one signed millisecond-precision offset.
BUILT AROUND YOUR WORK
Spend the recording session on delivery, not last-minute file fixes. Check the script's length, rehearse it aloud, and prepare the images and media your publishing channel needs.
Shift validated UTF-8 SRT or VTT cues by one signed millisecond-precision offset.
Reduce video size with bounded H.264 compression and resolution profiles.
Join two to five ordered clips on one normalized H.264 timeline.
Scale video proportionally to a selected maximum output height.
Convert supported WEBVTT cue blocks into sequential UTF-8 SRT.
Capture one timestamp as a separately named JPG or PNG image.
Render a full audio timeline as a fixed-size PNG waveform.
Center-crop video to a selected social aspect ratio without stretching.
Physically rotate every video frame by a fixed clockwise angle.
Capture a proportionally scaled JPG or PNG thumbnail at an exact video timestamp.
Retime video and available audio together from half to double speed.