How to Resize Video with Best Video Resizer on Windows/Online

When you upload your video to the video platform, that you may need to resize your video or change its aspect ratio. Do you know how to resize video with the best video resizers, such as the free mp4 resizer. This page will tell you how to resize video online or on Windows and how to adjust the size of videos with youtube video resizer.

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Windows 11/10/8/7

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Jane Zhou

Updated on Aug 01, 2023

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When you upload your video to a social platform, such as YouTube, an incorrect aspect ratio or a video size that is too large will lead to a series of problems. Now you may need a powerful YouTube video resizer to help you solve the problem about how to resize video online and on Windows. This post will introduce the best ways to resize video with the most outstanding video resizers, such as the free mp4 resizer and youtube video resizer.

How to Resize Video on Windows

If you want to find a versatile Windows 10 video editor, there is one tool that worth noting, and it's EaseUS Video Editor. This is an all-in-one software designed for Windows beginners. This software provides many video editing tools that can satisfy your video editing needs in many aspects. While it's really user-friendly and easy-to-use, you only need to click several buttons to edit a perfect video.

For example, when you want to cut, split, rotate, reverse or merge videos, EaseUS Video Editor offers you the simplest ways to get those tasks done. And you can also add cool effects to video to make your works more cinematic and impressive. 

If you need to resize a video, it's sure you can use EaseUS Video Editor to do that. In the following part, we will give you the details about how to resize video with it. To make it more clear and practical, we will take resizing a YouTube video as an example. 

Stunning Features of EaseUS Video Editor:

  • Support 300+ effects and transitions
  • The simple and user-friendly interface is suitable for beginners
  • Support adding text, overlays, music, elements, music, and filters
  • Add music to video without watermark
  • Free to download

Download it and make your own masterpiece now!

  Free Download
Windows 11/10/8/7

How to Use YouTube Video Sizer on Windows:

Follow these steps to resize your MP4 videos and videos in other formats for social platforms like YouTube.

Step 1. Select Aspect Ratio and Load Files

Open the software and select the aspect ratio that fits your YouTube video. Then, click on "Import" followed by "Import File" to add your video to the app. Drag the video over to the timeline so you can edit it.

Add YouTube video

Step 2. Split to Resize Your YouTube Video

One of the ways to change the size of your YouTube video is to split it into multiple parts. You can then delete the unwanted parts and your video will become shorter. To do this, select your video in the timeline, place the marker where you want to split, and click on the "Split" option.

Split to resize YouTube video

Step 3. Change the Playback Speed to Resize a YouTube Video

Another option to resize your video is to change the playback speed. To do this, right-click on your video in the timeline and select "Edit". Then, change drag the slider for "Speed" to increase or decrease the size of your video file.

Change speed to resize the video

Step 4. Crop Your Video to Change its Size

Cropping allows you to remove certain parts from your video. To apply it, click on your video in the timeline and select the "Crop" tool. Adjust the cropping and your video will be cropped accordingly.

Crop to resize the video

Step 5. Save the Resized YouTube Video

Once you have resized your video, it is time to export it to the format that YouTube supports. Click on the "Export" option at the top, select the "Video platform" tab, and click on "YouTube". Then, click on "Export" at the bottom to start saving your video.

Export video

Your video should now be resized and ready to be uploaded to YouTube.

You can also use the tutorial steps to resize videos for other platforms, including Vimeo, Instagram, Facebook, etc.

How to Resize Video Online with Free MP4 Resizer

In this part, we will talk about how to resize a video using online resizers.

1. Animaker

Animaker is a free online video resizing tool. This video resizer got thousands of companies' trust, such as AOL, FedExpress, Uber, etc.  Using this online tool, you can rapidly resize videos from Instagram, Snapchat, Twitter, Facebook, YouTube with a super simple resizing tool.

resizevideo mainscren


  • Support adjusting the video size
  • Support nearly all video formats
  • Support changing the background color
  • Free to use


  • Limitation on the size you can upload
  • Need to create an account to use

How to Resize Video Using Animaker:

Step 1. Open this website, and you can see many video size templates. Choose your desired aspect ratio that is suitable for a certain popular social media platform and click it.

Step 2. Click the "Choose your file" button, drag-and-drop your video file from your local computer.

Step 3. Click the "Download" button to download and save your video, and you can also share it to 20+ social media platforms.


2. Kapwing

Kapwing is an exhaustive online video editing tool. To use this online program, you need to create an account. With its help, you can add music, add a zoom-in effect, adjust the video size, change the background color, and so on. If you want to find a free MP4 resizer, Kapwing will be fit for you.

kapwing resize video


  • Support MP4, ANI, MOV, and many other video formats
  • Support adjusting the video size
  • Support multiple configuration options


  • No timeline to manage the images
  • Too many Ads on the main interface

How to Resize Video Online Using Kapwing:

Step 1. Click the "Upload" button to import your video. And you can also paste a link to import your video.

Step 2. Choose the platform aspect ratio you need, and you can also add a zoom-in effect to your video and choose its position.

Step 3. Click the "Publish" button to export and save your video.


3. Clideo

With an easy-to-use online video resizer like Clideo, you need to upload videos and then get them resized. Clideo Video Resizer is a completely web-based video resizer that allows you to resize MP4 videos or videos in other formats on the Internet.

You can then make them fit various social media networks' requirements, including YouTube, Instagram, and Facebook.

clideo video resizer


  • No need to install anything on your computer
  • Customize presets for quick video resizing
  • Convert videos to make them compatible with YouTube


  • Video uploading and downloading takes too long
  • Limitation on the free plan
  • Privacy issues

How to Resize MP4 Video Online Using Clideo:

Step 1. Upload your MP4 video from your device, or paste the video link in the search box.

Step 2. Select the correct video size you want. When you finish editing, click the "Resize" button to save your operation.

Step 3. Download the resized video.


4. Ezgif

Ezgif is not only a simple online GIF maker tool. You can also use it to create, resize, crop, reverse, optimize your video. You can customize to resize the MP4 videos for YouTube or some other platforms as you want.

ezgif convert to gif


  • Support resizing MP4 video for free
  • Support converting video to GIF
  • Support making GIF


  • The quality of GIF is not very good
  • Low rate of successful conversion

The Steps of Resizing MP4 Video Using Ezgif:

Step 1. Upload the video from your computer or paste the video URL on the main screen.

Step 2. Click the "Upload Video" button to upload your MP4 video, and then you can edit the video's width and height by your need.

Step 3. When you finish editing, click the "Resize Video" button at the bottom of this window so that you can download and save the resized MP4 video.


5. Adobe Spark

Adobe has brought its robust media editing tools online, and one of these tools is Adobe Spark. With this tool in your browser, you can resize your YouTube videos in various ways without really installing anything on your machine.

All of the editing tools work off your browser and let you play with your video until you are satisfied. You get a preview option in the tool that plays your video, so you know exactly how it will look when published on YouTube.

adobe spark


  • Robust Adobe video resizing options
  • Many ways to change the size of the videos
  • Save the resized videos directly to your computer


  • Cannot directly publish your videos to YouTube
  • The free version will add a watermark to your videos

Steps to Resize YouTube Videos Using Adobe Spark:

Step 1. Click on the red "+" button on the "My Videos" page to get started. Click the another "+" sign in the first frame, then press it to add your video to the timeline.

Step 2. After you uploaded the videos need to be resized, press the "Resize" button in the top bar to toggle between widescreen and square. The option you chose will be applied to the whole video.

Step 3. Go back and resize the video again if it's necessary.


Other Free MP4 Resizers You Can Use on PC

As everyone has different needs, you may prefer to choose the best one from all kinds of optional video resizers. Therefore, in this part, we will talk about some of the most excellent free MP4 resizers you can use on Windows.

1. Icecream Video Editor

Icecream Video Editor is a free video editor that you can use to process your videos and photos. You can use this tool to resize your videos for YouTube since it has all the features you need for video resizing.

In addition to letting you resize your videos, this tool allows you to add many types of elements to your videos to make them unique and more refined than some ordinary ones. This app also offers support for several file formats.

icecream video editor


  • Multiple ways to resize videos for platforms like YouTube
  • Edit your music tracks in many different ways
  • Export your resized videos into many formats


  • Up to 10 scenes in your timeline in the free version
  • Watermark will be added to your videos in the trial mode
  • Cannot use it for commercial videos without buying it

Compatibility: Windows 10/8.1/8/7

2. Openshot

Openshot is a free and open-source video editing tool that allows you to resize your videos for YouTube in various ways. Not only can you crop your videos to make them smaller and cut out certain objects, but you can even change the speed of your videos so that they will play faster or slower than their original speed.

It is a cross-platform tool, which means you can use it on all your computers. This software offers over 70 languages and makes it accessible to many people who do not speak the same language.

openshot video editor


  • Completely free and open-source
  • Unlimited tracks to resize multiple videos
  • Offer many video effects


  • Use too many computer resources
  • Take quite some efforts to change some effects

Compatibility: Linux/Mac/Windows

3. VSDC Free Video Editor

VSDC offers several tools to help you edit and resize your multimedia content, and one of these tools is a free video editor. Using this tool on your machine, you can easily import all your videos into it and start resizing them.

Many tools will help you with your tasks and enable you to produce the desired outputs. Once you have resized your video in the app, you can quickly share it to various social media networks, including YouTube.

vsdc video editor


  • Extreme accuracy and precision for video resizing and editing
  • Support resizing HD and 4K videos
  • Add various charts to your videos


  • Unorganized and cluttered user interface
  • Offer limited features on the free version

Compatibility: Windows


On this page, we talked about how to resize video online and on Windows and some recommended free video resizers that can enable you to resize video for different platforms like YouTube. 

Among all these video resizing tools, EaseUS Video Editor is the best choice. If you need to resize your video and modify it with some other video editing tools, don't miss the best video editors on Windows 10/8/7.

  Free Download
Windows 11/10/8/7

EaseUS VideoKit

All-in-one Video and Auido Tool

Be Creative Now!

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