Learn when to use this tool, what it supports, and how real users apply it.
Key facts
Category
Media
Input types
file, number, checkbox, select
Output type
file
Sample coverage
4
API ready
Yes
Overview
The Video Resize tool allows you to easily scale and adjust the dimensions of your video files to meet specific resolution requirements. By offering options to set custom target widths and heights, maintain the original aspect ratio, and export to formats like MP4, WebM, or MKV, this utility ensures your videos are perfectly sized for any platform or device without losing visual proportion.
When to use
When you need to scale down a high-resolution video to reduce its file size for easier sharing or uploading.
When preparing video content for social media platforms or websites that require specific pixel dimensions.
When you need to convert and resize a video into a different format like WebM or MKV while adjusting its resolution.
How it works
1Upload your video file (up to 500MB) into the designated file input area.
2Enter your desired target width or height in pixels, and choose whether to maintain the original aspect ratio.
3Select your preferred output format, such as MP4, WebM, MKV, or keep the original format.
4Click the process button to resize and download your newly scaled video file.
Use cases
Optimizing raw 4K footage to standard 1080p MP4 for web streaming.
Resizing horizontal videos to specific dimensions for presentation slides or mobile applications.
Converting heavy MKV files into lightweight WebM videos with reduced dimensions for fast website loading.
Examples
1. Optimizing Video for Web Performance
Web Developer
Background
A developer needs to embed a background video on a landing page, but the original 4K video is too large and slows down page load times.
Problem
The video needs to be scaled down to 1280px width to save bandwidth while maintaining its original aspect ratio and converting to WebM.
How to use
Upload the 4K video file, set the Target Width to 1280, leave Target Height blank or at 0, check 'Maintain Aspect Ratio', and select 'WebM' as the output format.
Upload the source video, set Target Width to 1920, Target Height to 1080, uncheck 'Maintain Aspect Ratio' to force the exact fit, and select 'MP4' as the output format.