February 21, 2023

4 Ways to Resize Video Online for Meeting the Video Size of Platforms

What is the best way to resize a video online for Instagram, Twitter, and Facebook? A question from Quora. When you want to upload videos to YouTube or other media platforms, you will find that your video size does not meet the requirements and cannot be uploaded. Resize video is the easiest method to solve this problem. This post will recommend four free tools to resize videos online with specific steps. You can share one of them with your friends!

4 Free Tools to Resize Video Online:

If you don’t want to download software to resize videos on your device, you are very lucky to read this article. You can get four effective tools for resizing videos online and see detailed tutorials on how to use them.

ArkThinker Free Video Cropper Online

ArkThinker Free Video Cropper Online is a free online video cropper to resize video online without quality loss. This online tool provides the aspect ratio of the most popular platforms, including YouTube channels, Instagram Stories, Facebook feeds, Pinterest pins, and others. You can directly choose not to manually adjust your video. Moreover, you can also convert the video format and customize the resolution/frame rate/zoom mode. In short, you can use it with complete confidence because it has no advertising or spam. The following is how to use ArkThinker Free Video Cropper Online to resize the video online:

Step 1: Search the official website of ArkThinker Free Video Cropper Online on any browser. Then click the Start Cropping Video button on the home page to import your video file. Note that the maximum file size is 50 MB. However, the maximum file size after registration is 100 MB.

Step 2: This tool provides three methods to adjust video size online, including aspect ratio, resolution, and custom cropping. You can directly select the corresponding platform from the aspect ratio.

Step 3: You can preview your video in real time after adjustment. Then, you can click the Settings button with a gear icon to customize the settings, such as format, frame rate, and resolution.

Step 4: Lastly, you should click the Crop Video button in the lower right corner to resize the video online. Click the Save button after the video conversion.


Clideo is also a tool to resize your video for Instagram, Facebook, YouTube, Twitter, and other social media. You can resize the video online by aspect ratio, video width/height, and cropping. Cropping is not customized but provides two options, including fill and fit. This free tool supports converting video to MP4/MOV. Moreover, you can change the background color of the video at will. But the speed of uploading files is slow, and sometimes the upload fails.


Step 1: Open the Video Resize Online from Clideo’s official website on the browser and click the Choose file button at the main interface to upload your video.

Step 2: You can choose the aspect ratio of different social media platforms by clicking the Preset button. It also provides two options of cropping you can choose from, like fill and fit.

Step 3: Export the video by clicking the Export button at the bottom. The output video will have a watermark of the website, and then click the Download button to save your video.


Kapwing is a multifunctional tool that you can use to resize your video online without device and location restrictions. This online tool allows you to adjust the video size by customizing or selecting presets. In addition, it also provides many editing functions, including adding text/subtitles, effects, and transitions. You can also compress the video according to your need. Unfortunately, this video resizer online can only output video to MP4 format with a resolution of 720p.

Step 1: Choose the Resize Video tool at the toolbar from the interface. Then click the Choose a video button to launch the video resizer online.

Step 2: After that, you should import your video by clicking the Click to upload button. You can also drag the file directly to the square to upload the file.

Step 3: You can select the aspect ratio from the preset provided by clicking the Crop button on the right toolbar. You can also choose the Custom option to resize the video online freely.

Step 4: The last step is to click the Export Project button in the upper right corner. It provides three resolution options for free, like Auto, SD, and HD. Then click the Export to MP4 button to save the file.

Adobe Express

You can use Adobe Express to easily change the video size online in a few seconds by selecting the presets. This powerful tool also provides a video scale control lever to enlarge or reduce the video. With Adobe Express, you can trim the video to the appropriate length. But the disadvantage is that there are no other editing tools.

Step 1: Click the Upload your video button at the main interface to open the video resizer online.

Step 2: Import your video by clicking the Browse on your device button.

Step 3: You can click the drop-down button to select different social platforms and the appropriate aspect ratio from the preset.

Step 4: Save the file by clicking the Download button.

Video Size of Popular Platforms

To facilitate you to quickly adjust the size of the video to successfully upload to different media platforms, here is a thoughtful arrangement of the file size requirements of each platform. This table shows you can adjust your video with the resizer online.


Platform Aspect ratio resolution Length
Instagram 1:1(Post)

9:16 (Story)

600×315; 600×600; 600×750 Max 60 sec
YouTube 16:9 854×480; 1920×1080; 1280×720;


Max 15 min
Facebook 4:5( Poryrait)


820×312 (cover video);

1280×720 (shared video)

Max 120 min
Twitter 4:5( Poryrait)


320×180; 640×360; 1280×720 Max 140 sec
LinkedIn 1:2.4 480×360; 640×360; 1280×720; 1920×1080 Max 10 min
Pinterest 2:3 600×600; 600×900 Max 30 min


In this article, you learned how to resize videos online in an amazing way. Selecting aspect ratio and custom cropping are common methods, but there is always the possibility of video quality loss in this process. You can consider ArkThinker Free Video Cropper Online for high-quality video output among the above tools.


About the author 

Kyrie Mattos

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