Video Tools
Video Resizer
Resize, crop, and change the aspect ratio of videos for any platform.
Drop a video file or click to upload
MP4, WebM, MOV
Your videos are processed locally. Nothing is uploaded.
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About Video Resizer
OptiPix Video Resizer changes video dimensions, resolution, and aspect ratio directly in your browser. Choose from standard resolutions (1080p, 720p, 480p) or custom sizes. Social media presets for Instagram Reels, TikTok, YouTube, and more. Aspect ratio options: keep original, force 16:9, 4:3, 1:1, or 9:16 for vertical. Uses FFmpeg.wasm scale filter.
How It Works
FFmpeg.wasm -vf scale filter resizes the video. Aspect ratio changes use pad or crop filters as needed.
Use Cases
- •Resize for Instagram Reels
- •Convert landscape to portrait
- •Downscale 4K to 1080p
- •Resize for email attachment
- •Crop for presentation
Frequently Asked Questions
Social media presets?
Custom sizes?
Quality?
Uploaded?
Aspect ratio?
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