Online Video Cropper

The online Video Cropper is the easiest way to crop and resize your video clips. It's 100% free and runs only in your browser — no software installation required.

Security & privacy guaranteed

None of your files touch our servers and we don't store any kind of information. The entire video editing process runs exclusively locally in your browser. 100% secure & private.

How to crop an MP4 video?

1. Upload your video (or drag & drop it into the web app). 2. Drag and resize the crop area to select the portion of the video you want to keep. 3. Choose a preset aspect ratio or enter custom dimensions. 4. Click 'Crop Video' and download your cropped video as MP4.

What aspect ratios are supported?

SuperMotion supports common aspect ratios like 16:9 (widescreen), 9:16 (vertical/TikTok), 1:1 (square/Instagram), 4:3, 3:4, and freeform custom dimensions. Perfect for optimizing videos for different social media platforms.

What file types are supported?

SuperMotion supports the most popular video formats like MP4, MOV, WebM, MKV and many more! If you need any extra file format please reach out to me at jim(at)supermotion.co!

What is video cropping?

Video cropping removes unwanted areas from the edges of your video frame. This is useful for removing black bars, focusing on a specific area, or converting your video to a different aspect ratio for social media platforms.