What this tool does
The Video Trimmer lets you cut video clips down to exactly the segment you need. Upload any browser-compatible video file, set your start and end points using precise slider controls, preview the trimmed result, and export the final clip. Everything runs in your browser with no uploads, no accounts, and no waiting.
How it works
**Trimming process:** \`\`\` Trimmed Duration = End Time - Start Time Estimated Size = (Trimmed Duration / Original Duration) x Original File Size \`\`\`
The tool uses your browser's built-in MediaRecorder API and canvas capture to re-record just the portion of video between your selected start and end points. This approach works entirely client-side without any server processing.
Supported formats
- **Input:** MP4, WebM, MOV, and any format your browser can play - **Output:** WebM (universally supported, efficient compression) - **Audio:** Captured when browser permissions allow - **Resolution:** Preserved from original video
Who should use this
- **Content creators** trimming raw footage before editing - **Social media managers** cutting clips to platform length limits - **Educators** extracting specific segments from lecture recordings - **Anyone** who needs to quickly shorten a video without installing software
How to use
1. Upload your video file by dropping it onto the upload area or clicking to browse 2. Use the Start Time and End Time sliders to select the segment you want to keep 3. Click "Preview Trimmed" to watch just the selected segment 4. Adjust your trim points as needed 5. Click "Export Trimmed Video" to download the result
Tips for best results
- Use the "Set to Current" buttons to mark trim points while watching the video - Preview your trimmed segment before exporting to make sure the timing is right - Shorter clips export faster since the tool records the segment in real time - The estimated file size shown is approximate and may vary in the final export
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