Upload your video
Choose an MP4, WebM, MOV, or another supported video file from your device. The video opens as a private preview, so you can check the frame before cropping.
Free online video cropper
Crop Video Online
Crop MP4, WebM, and MOV videos online for free. Select any area, choose an aspect ratio, and export your cropped video directly in your browser.
Private browser video cropper
Drop a video here to crop it online
Supports MP4, WebM, MOV and other common video files. Files stay on your device.
Crop without installing
Crop Video Online for Free
Our online video cropper lets you remove unwanted areas from MP4, WebM and MOV videos directly in your browser. Upload your video, adjust the crop box, select an aspect ratio and export the result without a watermark. It is built for quick edits like cutting out black bars, centering a subject, or preparing a clip for a vertical or square layout. If the clip also needs timing or audio changes, you can change video speed online or increase video volume after cropping.
How to Crop a Video Online
Choose the area to keep
Drag and resize the crop frame to remove unwanted edges, black bars, or background space. Use Free mode, or lock the crop to 1:1, 16:9, 9:16, 4:5, or 4:3.
Export your cropped video
Crop the video on your device and download an MP4 file. Keep the tab open while processing, especially for longer videos.
MP4 cropper
Crop MP4 Videos Online
Use the MP4 cropper to remove unwanted edges, black bars or parts of the frame without installing video editing software. It is built for quick social cuts, clean product clips, and simple frame fixes.
You can crop MP4 videos for vertical shorts, square posts, widescreen exports, or custom freeform frames. The result exports as an MP4 without adding a watermark. For repeated social clips, use the video looper after you have the right frame.
TikTok / Reels / ShortsBest for vertical phone videos and full-screen short-form clips.
9:16Instagram FeedUse square for balanced posts or 4:5 when you want more vertical space.
1:1 / 4:5YouTubeThe standard widescreen crop for videos, tutorials, and landscape footage.
16:9Traditional VideoUseful for older footage, screen recordings, and classic camera formats.
4:3Why Use Our Online Video Cropper?
No uploads to our server
Videos are processed in your browser, so your file stays on your device.
No watermark
Export clean cropped videos for free without a branded overlay.
Fast first step
Open the page, upload a file, adjust the crop frame, and export.
Useful ratios
Free, square, widescreen, vertical, and feed crops for common platforms.
Frequently Asked Questions
How can I crop a video online?
Upload your video, drag the crop frame over the area you want to keep, choose an aspect ratio if needed, then crop and download the result. The crop preview updates in your browser before export.
Can I crop an MP4 video?
Yes. The MP4 cropper works with MP4 files and other supported formats such as WebM and MOV. It is useful for removing black bars, trimming unwanted edges, or reframing a clip for social media.
Is this video cropper free?
Yes. You can crop video online free without creating an account or adding a watermark.
Does cropping a video reduce quality?
Cropping changes the frame and re-encodes the video during export. Starting with a high-quality source gives the cleanest result, and choosing only the area you need can also reduce the final file size.
Can I crop a video without a watermark?
Yes. Quick Video Tools does not add a watermark to your cropped video.
Are my videos uploaded to a server?
No. Videos are processed in your browser, so the file stays on your device. You do not need to wait for an upload before cropping.