Crop Video: Crop Video Dimensions Online Securely
Crop video dimensions to remove unwanted borders or adjust aspect ratios for TikTok, Instagram Reels, and YouTube.
Privacy & Security Guarantee
Your file is sent securely to our server for conversion and deleted automatically after 30 minutes.
How to Use the Crop Video: Crop Video Dimensions & Aspect Ratio
- 1Upload your video clip (MP4, MOV, WebM).
- 2Choose crop area or select a preset aspect ratio.
- 3Download your cropped video file.
Formula & How It Works
FFmpeg Crop Filter
Extracts a rectangular sub-region out of the video stream: crop=out_w:out_h:x:y.
Worked Examples
Widescreen to TikTok 9:16
Input: horizontal-video.mp4 (1920x1080)
Explanation: Crops center region for vertical mobile screens.
Frequently Asked Questions
Is the video audio retained when cropping?▼
Yes, the audio stream is copied losslessly with zero quality degradation.
Quick Reference & Conversion Table
| Aspect Ratio | Resolution | Best Social Platform |
|---|---|---|
| 9:16 Vertical | 1080 × 1920 px | TikTok, IG Reels, YouTube Shorts |
| 1:1 Square | 1080 × 1080 px | Instagram Post Feed |
| 16:9 Widescreen | 1920 × 1080 px | YouTube, Vimeo, TV displays |
⚠️ Common Pitfalls to Avoid
- •Cropping non-even pixel dimensions (H.264 requires width and height to be divisible by 2).
💡 Practical Real-World Uses
- •Reframing landscape podcast recordings into vertical YouTube Shorts and TikTok clips.
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