LOCAL PACK TOOL
Make a Dub Pack in your browser
Turn a short MP4 or WebM into a timed dubbing challenge. Preview every cue, import subtitles, and build a compatible ZIP without uploading the video.
Draft media and files remain in this tab.
Up to 200 prompt clips, each 0.2–15 seconds.
The final ZIP passes the submission form preflight.
Choose an MP4 or WebM
Up to 50 MiB and 5 minutes. The source stays in this tab and is never uploaded automatically.
Draft video, audio, captions, and generated ZIP live only in this tab. Closing or reloading it clears the draft.