Resize Video

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Introduction

This free tool can help you resize and scale the width and height of your video files, it can change aspect ratio and resolution, enlarge or reduce video frame size. This tool supports various video files, such as MP4, AVI, MKV, MOV, WMV and more. You can specify the width and height of the output video, stretched or cropped at the specified ratio. In addition, you can select "Aspect Ratio 9:16" or "Crop 9:16" values and then the tool will create a vertical video will be more suitable for playback in your phone. The tool will try to maintain the video quality and audio quality so that it can be as good as the source video file. The output format is MP4 video.

How To Use

Select a "Video" file (such as *.mp4, *.3gp, *.asf, *.avi, *.divx, *.m2ts, *.mkv, *.mov, *.mpeg, *.mts, *.rm, *.rmvb, *.vob, *.webm, *.wmv and more).
Select a value in the "Options".
Enter a value for "Width" or "Height" as needed.
Click the "Convert" button to start uploading your files.
Once the upload is complete, the converter will redirect a web page to display the conversion results.

Size Options

Width and Height, the tool will scale video to the specified width and height with the same aspect ratio as the original movie, the scaled height or width is adjusted to fit.
Width and Height (Fixed), stretching option, the output width and height are fixed, without keeping the original aspect ratio, video frames may be distorted.
Width and Height (Crop), the tool will crop the specified width and height.
Max Width, the tool will scale the video to the specified width and the height will be calculated automatically, which will maintain the aspect ratio of the input video.
Max Height, the tool will scale the video to the specified height and the width will be calculated automatically, which will maintain the aspect ratio of the input video.

Remove Option

Remove bars/borders from video, it will automatically detect the black bars or borders of the video and the top, bottom, left and right, then the tool will try to crop and remove the bars/borders.

Aspect Ratio Options

The supported aspect ratio values include 16:9, 9:16, 4:3, 1:1, 5:4, 4:5, the tool will change the display aspect ratio for the output video.

Crop Options

The supported crop values include 16:9 (Horizontal), 9:16 (Vertical), 4:3, 1:1 (Square), 5:4, 4:5, the tool will crop the input video to the specified aspect ratio, widescreen aspect ratio is 16:9 and standard aspect ratio is 4:3.

Landscape Resolution Options

480p 4:3 (640x480), SD (Standard Definition), width 640, height 480, aspect ratio 4:3.
720p 16:9 (1280x720), HD (High Definition), width 1280, height 720, aspect ratio 16:9.
1080p 16:9 (1920x1080), FHD (Full High Definition), width 1920, height 1080, aspect ratio 16:9.
1440p 16:9 (2560x1440), QHD (Quad High Definition), width 2560, height 1440, aspect ratio 16:9.

Portrait Resolution Options

480x640 3:4, width 480, height 640, aspect ratio 3:4.
720x1280 9:16, width 720, height 1280, aspect ratio 9:16.
1080x1920 9:16, width 1080, height 1920, aspect ratio 9:16.
1440x2560 9:16, width 1440, height 2560, aspect ratio 9:16.

Circle Option

Crop video into circle, the default circle size is the maximum size of the inner tangent circle, and you can change the size (radius) by percentage and set the background color of the generated video. The "Background" options include "Default", "Azure", "Black", "Blue", "Brown", "Cyan", "Fuchsia", "Gold", "Gray", "Green", "Maroon", "Navy", "Olive", "Orange", "Pink", "Purple", "Red", "Silver", "Skyblue", "White", "Yellow". If you select the "Default" value, the tool will try to use the default background color of the source video.

Remarks

The maximum upload file size is 200 MB.
Before uploading, please make sure you agree to the terms of this website.
If the file upload process takes a long time or is unresponsive or very slow, please try to cancel and resubmit.
This converter cannot support encrypted or protected video files.