Frame the exact video area
The highlighted box stays draggable and the render remains local.
Crop controls
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Choose a local video first.
Drag the highlighted frame to reposition the crop.
Visual crop preview
The cropped WebM will appear here.
Features & quick guide
A focused crop workflow for social ratios and phone footage.
Drag a visual crop frame or choose 16:9, 9:16, 1:1, 4:3 or free ratio, then render a local WebM. Everything stays in this browser tab.
3-step guide
- 1Choose a local file or set your options.
- 2Adjust the controls and preview the local result.
- 3Run the workflow and download the Blob output.
Browser-only privacy
Files, decoded data and exports stay in memory or local Blob URLs in this tab.
Performance depends on device memory and browser support.
Frequently asked questions
Which ratios are available?
16:9, 9:16, 1:1, 4:3 and free crop are available.
What is the output format?
The browser MediaRecorder produces a WebM when supported.
Can I move the crop area?
Yes. Drag the highlighted crop box in the preview.