captionclock — Subtitle Sync
Shift subtitle timing forward or backward to match a video.
Technology stack
Astro / TypeScript / Tailwind CSS
Applies a timing offset to a subtitle track to correct captions that arrive too early or too late.
Preserves caption content and provides an updated subtitle file for download.
Behind this project
The Pyvi Toolkit: Video, Audio, and Subtitle Tools in Your Browser
Follow a practical media workflow through sixteen browser tools, then inspect worker lifecycles, compression tradeoffs, local inference, and task completion.