Video Cropper
Crop video dimensions and change aspect ratio (9:16 Vertical, 16:9, 1:1 Square) online without watermark.
Online Video Cropper
100% Client-Side PrivacyDrag any of the 4 corner handles on the video to custom crop boundaries, or pick standard presets for Instagram, TikTok, and YouTube.
Drop your video file here, or browse
MP4, WEBM, MOV, AVI, MKV, FLV, 3GP, TS & M4V supported
Cropped 100% locally in your browser. No server upload.100% Client-Side Privacy
All video frame slicing and sub-rectangle canvas encoding execute 100% locally in your web browser. Zero server uploads.
Interactive 4-Corner Handles
Drag any of the 4 corner handles directly over the video player or use numeric position sliders for custom boundaries.
Multi-Format Export
Export cropped video frame streams directly as MP4, WEBM, animated GIF, or extract background sound tracks as MP3.
Frequently Asked Questions
How do I custom crop all 4 corners of a video?
Click and drag any of the 4 white circular handles on the top-left, top-right, bottom-left, or bottom-right of the crop box on top of the video player. You can also drag the center box to move it.
Is my video uploaded to external servers?
No! ReadyForFile crops video frames 100% locally inside your browser with complete data privacy.
Can I crop a video for Instagram Reels (9:16) or Posts (1:1)?
Yes! Click the "9:16 Vertical" or "1:1 Square" preset buttons to automatically format your video frame bounds.
What video formats can I crop?
We support MP4, WEBM, MOV, AVI, MKV, FLV, 3GP, TS, and M4V video formats.
What does Video Cropper do?
ReadyForFile Video Cropper is a free online utility that crop video dimensions and change aspect ratio (9:16 vertical, 16:9, 1:1 square) online without watermark. directly in your web browser with no registration or software installation required.
About Video Cropper
Free online Video Cropper. Crop video frame boundaries and change aspect ratios for Instagram Reels (9:16), Feed Posts (1:1), TikTok, and YouTube Shorts. Adjust crop position and dimensions with precision sliders or preset aspect ratios, export as MP4, WEBM, or animated GIF. 100% browser-based processing with zero server uploads.
Features & Capabilities
- Visual crop overlay box over live video player
- Social media aspect ratio presets: 9:16 Vertical, 1:1 Square, 16:9, 4:5 Portrait
- Precision numeric position (X, Y) and dimension sliders
- Real-time pixel crop resolution calculation (e.g. 720x1280 px)
- Multi-format export: MP4, WEBM, animated GIF, MP3 audio
- 100% local browser processing with zero server uploads
How to Use Video Cropper
Upload Video File
Select or drag and drop your MP4, MOV, WEBM, or AVI video file into the cropper box.
Select Aspect Ratio or Adjust Crop
Choose an aspect ratio preset (9:16 Vertical, 1:1 Square) or adjust the crop position sliders.
Crop & Download
Click 'Crop Video Now' to transcode locally in your browser and download your cropped video file.
Frequently Asked Questions
How do I crop a video for Instagram Reels or TikTok?
Upload your video file, select the '9:16 Vertical' preset under aspect ratios, adjust the position sliders, and click 'Crop Video Now'.
Is my video uploaded to any server?
No! All video slicing and canvas cropping run 100% locally in your web browser using HTML5 Web APIs.
Can I crop a video into a 1:1 square format?
Yes! Click the '1:1 Square' preset button to crop your video into a perfect square frame.
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