Choose a video to crop or resize
Drop a video here, or select one from your device.
Supports MP4, WebM, MKV, MOV, and AVI · Exports WebM, MKV, and MP4 · Your video stays on your device.Crop, Trim, and Resize Videos Online
Crop, trim, resize, and convert videos without uploading them. Adjust the framing, duration, resolution, and output quality directly in your browser.
Supported features
- Video input - open MP4, M4V, MOV, WebM, MKV, or AVI files when their codecs are supported by your browser and device.
- Flexible cropping - move and resize a crop selection, or position and zoom the video inside a fixed output frame.
- Fit to frame - keep the complete video visible with black bars when the source and output aspect ratios differ.
- Video trimming - select a time range with trim handles, exact timestamps, or the current playhead.
- Selection preview - preview the selected time range and crop before exporting.
- Aspect ratios and resolution - choose common landscape, square, or vertical ratios; keep the crop resolution, select a long-edge preset, or enter custom dimensions.
- Output controls - set the frame rate and adjust quality to control the video bitrate.
- Video export - save as WebM, MKV, or MP4 when the required encoders are available. Audio is preserved when supported; a warning appears if export must omit it.
- Local processing - edit and export on your device. Export requires WebCodecs over HTTPS; recent Chrome and Edge offer the best compatibility.