Trim a video
Your files are processed on your device. We never upload them.
Video is read and written with Mediabunny, under the Mozilla Public License. Browsers without their own AAC encoder use FFmpeg's, under the GNU LGPL.
How to trim a video
- 01A ▸Choose a video, or drop it on the page.
- 02A ▸Play it and select Start here and End here, or type the times, such as 0:05 and 1:30.5.
- 03A ▸Pick Instant or Exact frame, then select Trim and download the result.
Questions
What's the difference between Instant and Exact frame?
Instant copies the video as it is, so it takes seconds and loses nothing, but the result starts at the nearest key frame before your start (usually less than a few seconds early). Exact frame re-encodes the picture so it starts on the frame you chose, which takes longer.
Are my videos uploaded?
No. Your files are processed on your device. We never upload them.
Which videos can I trim?
MP4, MOV, M4V, MKV, and WebM. The trimmed video keeps its format, so a MOV stays a MOV.
Can I cut out the middle of a video?
Not in one go yet. Trim the first part and the last part separately, then join them with Merge videos.
Why does the preview not play my video?
Not every browser's player plays every video, especially HEVC (H.265) and MKV files. You can still trim by typing the times; the trim itself doesn't need the preview.