Trim a video in the browser
Select a video, set the start and end points, and create a new trimmed result in the browser. You can preview the result before selecting Download trimmed video. Video processing runs in your browser.
How to trim a video
- Drop your video file onto the drop zone, or click browse files.
- Drag the two handles below the preview to set your start and end points. Check the displayed Original length, Start, End, and Trimmed length values.
- Click Trim Video.
- Preview the result and click Download trimmed video.
Choose a processing mode
- Fast (recommended) uses a separate browser-side fast-trimming path. The interface describes it as having no visible quality loss, but exact output behavior can depend on the input video.
- Original quality uses an FFmpeg-based browser path and re-encodes the result toward the source's quality characteristics. It may take longer and does not guarantee the exact source quality or file size.
While the video engine is loading, the page may show Loading video engine (~30 MB, one-time download).... The interface does not state how that download is handled on later visits. The two modes can behave differently depending on the video's format, so try the other mode if trimming fails.
Supported files and confirmed limitations
The file control accepts video files with accept="video/*". The page lists MP4, WebM, MOV, AVI, MKV, and more. It creates a new result for preview and download.
The page does not specify a maximum file size, exact browser compatibility, codec or container preservation, or format rules for each processing mode. If trimming fails in one mode, try the other mode. The source video is not edited in place.
Frequently asked questions
How do I trim a video online?
Drop your video file onto the tool, or click browse files. Drag the two handles below the preview to set the start and end points, then click Trim Video. Preview the result and select Download trimmed video.
Does trimming reduce video quality?
Quality behavior depends on the selected processing path. Fast (recommended) is described as having no visible quality loss, but exact output behavior can depend on the input video. Original quality uses a slower FFmpeg-based browser path that re-encodes the result toward the source's quality characteristics; it does not guarantee identical quality or file size. The page does not state exact codec or container behavior.