What Is 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.
Key Features of Video Cropper
Here's what makes ReadyForFile's Video Cropper stand out from other online tools:
- 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 (Step-by-Step)
Follow these simple steps to use the video cropper on ReadyForFile:
- Step 1: Upload Video File — Select or drag and drop your MP4, MOV, WEBM, or AVI video file into the cropper box.
- Step 2: Select Aspect Ratio or Adjust Crop — Choose an aspect ratio preset (9:16 Vertical, 1:1 Square) or adjust the crop position sliders.
- Step 3: Crop & Download — Click 'Crop Video Now' to transcode locally in your browser and download your cropped video file.
Why Use a Browser-Based Video Cropper?
Traditional desktop applications require manual installation, software licenses, and frequent updates. ReadyForFile's Video Cropper runs entirely inside your web browser, which means zero software downloads, instant access from any device, and maximum data privacy. Your files are processed locally — they never get uploaded to external servers (where technically feasible). This makes it ideal for sensitive documents, personal files, and professional workflows where data security matters.
Supported File Formats
ReadyForFile's Video Cropper supports the following formats: MP4, WEBM, MOV, AVI, MKV, FLV, 3GP, TS, M4V, MP4, WEBM, GIF, MP3. Whether you're working with common formats or specialized file types, our tool handles them all seamlessly in your browser.
Try Video Cropper Now — It's Free!
No signup required. Open the tool, upload your file, and get results in seconds. Works on any device.
Open Video CropperFrequently 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.
Is Video Cropper on ReadyForFile really free?
Yes, 100% free. There are no hidden fees, usage limits, watermarks, or mandatory account signups. You can use the Video Cropper as many times as you need.
Does Video Cropper work on mobile phones?
Yes. ReadyForFile is built with a responsive design that works seamlessly on smartphones, tablets, laptops, and desktop computers running any modern web browser.