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Free Online Video Aspect Ratio Converters: Change Ratios for YouTube, Instagram, TikTok

Last Updated: 2021. 12. 17
Summary
Here in this blog, we'll share a top list of the five best free online video aspect ratio converters for helping you Change the aspect ratio of your video for any platform. Get your videos social-ready using one of the video ratio changers here!

Try to upload a fantastic video to some social media platforms, but suddenly find that the aspect ratio can't fit the platform exactly. Then how to change the video aspect ratio for sharing on YouTube, IGTV, TikTok, or Twitter, making the dimension seamlessly match the player's window?

You just need a good video aspect ratio converter to help you change the video ratio and make it look amazing on any social media platform. Find out which ones below.

Part 2 Free Video Aspect Ratio Converters for Any Social Platforms

Can't Miss: How to Convert Portrait Video to Landscape>

Part 1 What Is the Best Aspect Ratio for Video?

Actually, there's no fixed answer if you're wondering about the best aspect ratio for a video. This mainly depends on the usage of your video. For example, if you're making a video for social media platforms, you should figure out the video aspect ratio standard of your target platform.

Different social media platforms have their preferred aspect ratios. Be sure to look up the recommended size and resolution of your platform before uploading your video. Here are some popular aspect ratios for various social media platforms:

  • YouTube videos: 16:9
  • YouTube shorts: 9:16
  • TikTok: 9:16
  • Instagram reels and stories: 9:16
  • Instagram in-feed video and ads: 16:9, 1:1, 4:5
  • Facebook feed posts: 9:16, 16:9, or 4:5
  • Facebook stories: 9:16
  • Bonus: Free Editable Templates in Different Ratios for Your Video Inspiration

    To help you make a video for your social channel easily, we'd like to share some professionally-designed video templates in different ratios for your inspiration. All of them are fully customizable!

    Landscape Videos in 16:9 ratio for YouTube

    Brush Wedding Save The Date Collage Slideshow
    Preview
    Brush Wedding Save The Date Collage Slideshow
    Use This Template
    Dark Film Gold Particle Birthday Party Invitation
    Preview
    Dark Film Gold Particle Birthday Party Invitation
    Use This Template

    Vertical Videos in 9:16 ratio for Shorts, Reels, TikTok

    Travel City Tourism Promo Climactic Trailer Slideshow
    Preview
    Travel City Tourism Promo Climactic Trailer Slideshow
    Use This Template
    Creative Fun Fashion Notes Tiktok Style Happy Birthday Wishes
    Preview
    Creative Fun Fashion Notes Tiktok Style Happy Birthday Wishes
    Use This Template
    Dynamic Orange Film Grain Fitness Tips
    Preview
    Dynamic Orange Film Grain Fitness Tips
    Use This Template

    Square Videos in 1:1 Ratio

    Minimal Leaves Warm Family Heart Collage Photo Memory Slideshow Post
    Preview
    Minimal Leaves Warm Family Heart Collage Photo Memory Slideshow Post
    Use This Template
    Clothing Sale Promo Instagram Post
    Preview
    Clothing Sale Promo Instagram Post
    Use This Template

    Part 2 Best Video Aspect Ratio Converters for Any Social Platforms

    Below is our top list of the best free online video aspect ratio converters you can try to change video aspect ratio for any social media platform. Check out and find your favorite one to change your video aspect ratio quickly and easily without downloading any software.

    Free Online Video Aspect Ratio Converter - FlexClip

    FlexClip is an excellent online video editor and a video maker; it can also work as a video aspect ratio converter to help you change the aspect ratio to 16:9, 4:5, 1:1, 21:9, and 9:16 in a few clicks without downloading any software to your devices. Moreover, it's not just a video ratio converter – it also comes with additional powerful editing tools for more purposes, such as shorten a video, cut a video in the middle, put your videos side by side, and make more cool edits to make professional-looking videos for YouTube, TikTok, Instagram stories, or any social media platform..

    Online Video Aspect Ratio Converter: FlexClip

    Image Board: Online Video Aspect Ratio Converter: FlexClip

    Reasons for Recommendation:

  • Professional yet easy-to-operate
    Free & online, no download
    Various ratios for social media
    Extremely fast
    Additional editing tools
  • How to change the video aspect ratio for free with FlexClip?

    Get Started Now View Templates
    Step 1
    Click the Get Started Now button below to access FlexClip video editor, and go to the Media section to upload your video and apply it to the Timeline. Here you can make any edit to trim, cut, and adjust your video footage, if needed.
    Change Aspect Ratio with FlexClip Online Free - Upload

    Change Aspect Ratio with FlexClip Online Free - Upload

    Step 2
    Go to the ratio icon on the top left of the canvas, and choose the proper aspect ratio for your video - 9:16 for a TikTok or Reels video, 1:1 for a IGTV post, etc., select the one you need.
    Change Aspect Ratio with FlexClip Online Free

    Change Aspect Ratio with FlexClip Online Free

    Step 3
    Preview the video, then download the video directly and seamlessly share it via a link, or post to social media and beyond. Or you can continue editing to level up your video, such as adding text, editing audio, adding overlay effects and stickers, etc.

    Pro Tip: We highly recommend you give the AI tools a try to automate your video edits, generate video script with AI, easily turn your ideas into video in one click, and also effortlessly generate subtitles for your video with AI, and more, which will spark your creativity and help you create videos like never before.

    Get Started Now View Templates

    FlexClip AI Tools Walkthrough

    Free Online Video Aspect Ratio Converter - Online Converter

    Online Converter is also a great option for changing the video aspect ratio online without watermark for free. With this tool, you can change your video aspect ratio by specifying the width and height, or stretch in a specified ratio, or crop in a specified ratio.

    Online Video Aspect Ratio Converter: Online Converter

    Image Board: Online Video Aspect Ratio Converter: Online Converter

    How to change the video aspect ratio for free with Online Converter?

    Step 1
    Go to the Online Converter website and pick "Resize Video" under "Video Converter".
    Step 2
    Upload your video file and select the aspect ratio of your choice.
    Step 3
    Click "Resize" to change the aspect ratio of the video.

    Free Online Video Aspect Ratio Converter - Free Convert

    Free Convert is another free online video aspect ratio converter that allows you to change the video aspect ratio directly in-browser without downloading any software. It is actually a cloud-based converter that can convert various types of files. While converting the video file, it offers additional options, including aspect ratio, screen resolution, codec, and more.

    Online Video Aspect Ratio Converter: Free Convert

    Image Board: Online Video Aspect Ratio Converter: Free Convert

    How to change the video aspect ratio for free with Free Convert?

    Step 1
    Go to the Free Convert website and click the "Choose Files" button to upload your video file.
    Step 2
    Select a target video format from the "Convert To" drop-down list (if you want to change the video format).
    Step 3
    Click on the "Advanced Options" button next to the output format and go to the "Video Aspect Ratio" option in the popup window to pick your desired ratio for your video, then apply the settings.
    Step 4
    Click on the "Convert" button to start the conversion.

    Free Online Video Aspect Ratio Converter - File Converto

    FileConverto is an online converter, which also offers a free “Change Video Aspect Ratio” tool that you can use to change your videos aspect ratio for free without a watermark. With this online tool, you can change the video aspect ratio to fit square, widescreen, or portrait frames. Simply select the video file, then select the new video aspect ratio you need.

    Online Video Aspect Ratio Converter: File Converto

    Image Board: Online Video Aspect Ratio Converter: File Converto

    How to change the video aspect ratio for free with File Converto?

    Step 1
    Go to https://www.fileconverto.com/video-aspect-ratio/ and upload your video.
    Step 2
    Select the video aspect ratio, resize type, and pad color (if any).
    Step 3
    Click the "Submit Now" button to change the aspect ratio.

    Free Online Video Aspect Ratio Converter - Kapwing

    Kapwing is an excellent online video editor, and it also helps you change the video aspect ratio in a few clicks. You can select the common aspect ratio that matches popular platforms like YouTube, Facebook, Instagram, Stories, etc. However, it only allows 720p export in the free plan, and you have to create an account to download your video without a watermark.

    Online Video Aspect Ratio Converter: Kapwing

    Image Board: Online Video Aspect Ratio Converter: Kapwing

    How to change the video aspect ratio for free with Kapwing?

    Step 1
    Open the Kapwing video editor and upload your video.
    Step 2
    Select the desired ratio for your video in the Output Size section.
    Step 3
    Click on the "Export Video" button from the top right corner. (Here, you need to create a free account to remove the watermark and download the final video.)

    Final Words

    Those are the top 5 best free online video aspect ratio converters. What's your favorite one? Which do you think is the best? Just try it out now! If you find this blog helpful, please share it with others.

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