NB
Studio0
Upload a video and specify the caption region — AI removes it cleanly.
Click to upload video
MP4, WebM, MOV · max 100MB
Leave blank to process without removal. Common: bottom captions are around y=900, h=80 for 1080p video.
HOW TO USE
Tip: use a video player to find the caption coordinates.
~30s · 1 credit
Mark the rectangle where subtitles sit and clear it across the whole clip. The region is filled in from the pixels around it, the audio track is copied through untouched, and you get an MP4 ready to re-caption. Each run costs 1 credit.
Upload the video containing the burned-in subtitles.
Drag a box over the caption area. This step is required, since without a region the tool would return your own file back.
Run the removal. The marked rectangle is filled from the surrounding pixels on every frame.
Download the cleaned MP4 and add new captions in the language you need.
Mark the caption band once and it is cleared across every frame, not just the frame you were looking at.
The audio stream is copied through without re-encoding, so nothing is lost on the sound side.
1 credit per run, because the processing happens locally rather than through a paid model.
Pair it with auto captions to clear the old language and lay down a new subtitle track.
The result is a normal MP4 that drops straight into any editor or upload flow.
If processing does not complete, the credit goes back to your balance automatically.