Video Trimmer
Trim and cut video files online for free. Remove unwanted parts from MP4, WebM, MOV videos. No upload required.
Free video trimmer. Cut and trim MP4, WebM, MOV videos with precise start/end time controls. Preview before cutting. 100% browser-based.
- ✓ Trim MP4, WebM, and MOV video files
- ✓ Set precise start and end times for cutting
- ✓ Preview selection before trimming
- ✓ Shows new duration and file size after trim
- ✓ 100% client-side - videos stay on your device
How to Trim a Video
- 1 Upload your video file (MP4, WebM, or MOV)
- 2 Set the start time for where to begin
- 3 Set the end time for where to cut
- 4 Preview your selection before trimming
- 5 Click 'Trim Video' and download the result
Frequently Asked Questions
How does browser-based video processing work? ▼
MagicKit uses FFmpeg compiled to WebAssembly (WASM). This brings professional video editing capabilities directly to your browser.
What video formats are supported? ▼
MP4, WebM, MOV, and AVI. Some tools also support MKV and other formats.
Is there a file size limit for videos? ▼
We recommend files under 500MB for optimal browser performance. Larger files will work but may be slower.
Why does video processing take time? ▼
Video encoding is computationally intensive. Processing happens on your device, so speed depends on your computer's capabilities.
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Last updated: January 15, 2026 · v2.1