Does trimming re-encode the file?

Yes. The browser encoder writes a new MP4 so cuts work even when the original is MOV or WebM.

How precise is the cut?

Times are in seconds or mm:ss. Use the preview to cue the moment, then trim.

80 MB per clip so the tab stays responsive. Shorter clips process faster.

No. FFmpeg runs locally in this tab.

Local cinemaStays in this tab

Keep the beat. Cut the rest.

Drop a clip on the stageor browse · MP4, MOV, WebM

InOut

Does trimming re-encode the file?: Yes. The browser encoder writes a new MP4 so cuts work even when the original is MOV or WebM.
How precise is the cut?: Times are in seconds or mm:ss. Use the preview to cue the moment, then trim.
Is there a size cap?: 80 MB per clip so the tab stays responsive. Shorter clips process faster.
Does the video leave this computer?: No. FFmpeg runs locally in this tab.