Your Complete Video Toolbox

Wondershare UniConverter

  • Compress and Resize YouTube video size without any quality loss.
  • Edit YouTube videos with cropping, trimming, rotating, adding watermarks, applying effects, etc.
  • Convert 1,000+ video formats to YouTube compatible format for uploading.
  • Download YouTube videos easily by pasting URL.
  • Versatile toolbox combines Screen Recorder, GIF Maker, Fix Video Metadata, etc.
compress YouTube video size

Compress Videos

1. Compress Video/Audio in Different Formats+
  1. 1.1 Compress MP4 on Winodws & Mac
  2. 1.2 Reduce Size of MP4
  3. 1.3 Resize MP4 Videos Online
  4. 1.4 Compress MP4 Online
  5. 1.5 Free MP4 Compressors
  6. 1.6 Compress FLV
  7. 1.7 Compress MKV
  8. 1.8 Compress MOV
  9. 1.9 Compress MOV Online
  10. 1.10 Compress WMV
  11. 1.11 Comrpess M4V
  12. 1.12 Compress MPEG/3GP
  13. 1.13 Compress H264 File
  14. 1.14 Compress AVI File
  15. 1.15 Reduce Size of MKV
  16. 1.16 Top 5 WebM Compressors
  17. 1.17 Compress WAV Free Online
  18. 1.18 FLAC Compression Software
  19. 1.19 Top 5 Online MP3 Size Reducers
  20. 1.20 Compress M4A Files Free Online
2. Compress Video from Devices/Apps +
  1. 2.1 Compress iPhone Video
  2. 2.2 Compress Camcorder Video
  3. 2.3 Compress GoPro Video
  4. 2.4 Compress QuickTime Video
  5. 2.5 Compress Fraps Video
  6. 2.6 Top 12 File Compressor for Android
  7. 2.7 MMS Video Size Limit for iPhone/Android
  8. 2.8 Shorten Videos on iPhone
  9. 2.9 10 Video Compressor App Android/iPhone
  10. 2.10 Top 8 Video Size Reducers for Android
3. Compress Video with Different Apps +
  1. 3.1 Resize Video in iMovie
  2. 3.2 Make VLC Resize Video
  3. 3.3 Make Windows Movie Maker Resize Video
  4. 3.4 Different Apps to Compress Video
  5. 3.5 Compress Videos with Windows Media Player Alternatives
  6. 3.6 Use FFmpeg to Resize Video
  7. 3.7 Apple Compressor 4 Alternative
  8. 3.8 Top 6 Clipchamp Alternatives
  9. 3.9 Top 7 Video Cutter and Compressor
  10. 3.10 HandBrake Video Compressor Alternative
4. Compress Video for Different Purposes +
  1. 4.1 Compress Video for Email
  2. 4.2 Compress Video for Web
  3. 4.3 Compress Video for YouTube
  4. 4.4 Compress Video for Vimeo
  5. 4.5 Compress Video for Facebook, Instagram
  6. 4.6 Twitter Video Compression
  7. 4.7 Resize Facebook Video Size
  8. 4.8 Resize Instagram Video Size
  9. 4.9 Compress YouTube Video Size
  10. 4.10 Compress Video for DVD
  11. 4.11 Send Large Files via Email
  12. 4.12 Compress Files for WhatsApp
  13. 4.13 Send Long Videos on WhatsApp
5. Other Tips & Tricks +
  1. 5.1 Full Guide to Compress Video
  2. 5.2 Free Video Compressors
  3. 5.3 Top 7 Video Compressors
  4. 5.4 Top 10 Video Compressor for Mac
  5. 5.5 Top Audio Compressors
  6. 5.6 Top 8 Audio Compressor Free Online
  7. 5.7 Compress Files to Small Size
  8. 5.8 Compress HD/FHD (4K/1080P) Videos
  9. 5.9 Compress A Video
  10. 5.10 Compressed Video Formats
  11. 5.11 Top 8 Compression Software 2019
  12. 5.12 Top 9 File Compressors
  13. 5.13 How to Make A File Smaller
  14. 5.14 How to Make Video Smaller
  15. 5.15 Lossless Compression
  16. 5.16 Top 10 Ways to Reduce Video Size
  17. 5.17 Compress Files & Folders
  18. 5.18 Compress Folder Online and Free
  19. 5.19 Top 6 Online Size Converters
  20. 5.20 Top 10 Ways to Send Large Videos
  21. 5.21 Top 5 Video Resizer
  22. 5.22 Top 6 File Size Reducer
  23. 5.23 Shorten a Video Online and Free
  24. 5.24 Change MP4/MP3 Bitrate
  25. 5.25 11 Ways to Compress Videos Free Online

Best YouTube Video Size & Resolution and How to Make Conversion and Compression

by Christine Smith • Jul 23,2019 • Proven solutions

To share your travel story, a DIY, a promotional tour, or just your favorite video with your dear ones and rest of the world, YouTube is the perfect medium. To ensure quality and satisfactory viewing experience of the videos, it is important to consider the size and the resolution of the files uploaded to the site. The following parts of the topic deals with all your queries on best YouTube video size, resolution, formats, and other customization.

Part 1. Most Recommended Resolution and Aspect Ratios for YouTube

To avoid poor quality, black bars on the size, and other similar issues while posting a video on a YouTube, it is important to check the YouTube resolution and YouTube size requirements. Based on the platform and the format of the video, different video aspect ratio and resolution are used by YouTube.

On a PC, YouTube uses an aspect ratio of 16:9. The files which are in 4:3 aspect ratio, black bars are added automatically to avoid stretching and cropping of the videos. To make the files fit the player and the best resolution for YouTube videos are as follows:

  • 2160p (4k): 3840x2160
  • 1440p (2k): 2560x1440
  • 1080p: 1920x1080
  • 720p: 1280x720
  • 480p: 854x480
  • 360p: 640x360
  • 240p: 426x240

Part 2. How to Convert Video to YouTube with Size Compressed and Resolution Changed

To convert your videos into a YouTube compatible format and edit its size and resolution, Wondershare UniConverter (originally Wondershare Video Converter Ultimate) is your best choice to do this with simple steps. Using this versatile all-in-one video toolbox, you can easily convert videos in any format to a YouTube video format. What's more, you can complete the YouTube video size compression and video resolution changed process during the conversion. The whole process is super fast and without any quality loss. The program works as the best YouTube video resolution and YouTube frame size editing tool. Added features include video editing, video downloading, video recording, video transfer, and more others related to media solutions.

Wondershare UniConverter - Your Complete Video Toolbox for Windows/Mac

  • Convert 1,000+ video formats to YouTube with video size compressed and video resolution changed.
  • Compress YouTube video size with super fast speed and high quality output.
  • Change YouTube video resolution easily to fit YouTube player better.
  • Edit videos before uploading to YouTube with features of cropping, trimming, rotating, adding watermark, apply effects, etc.
  • Download videos from YouTube and other 10,000+ video sharing sites by pasting URL.
  • Supports batch processing for converting multiple files at a time.
  • Convert, compress and edit videos with real-time preview.
  • Toolbox with additional functions like Screen Recorder, VR Converter, GIF Maker, Fix Media Metadata, Cast to TV, and more.
  • Supported OS: Windows 10/8/7/2003/Vista/XP, Mac OS 10.15 (Catalina), 10.14, 10.13, 10.12, 10.11, 10.10, 10.9, 10.8, 10.7, 10.6.
Security Verified. 5,481,347 people have downloaded it.

Video Tutorial to Convert and Compress Videos for YouTube

Steps to convert videos to YouTube and customize video size and resolution using Wondershare UniConverter:

Step 1 Launch Wondershare YouTube Video Size Converter

Download, install and open Wondershare UniConverter on your PC/Mac. On the Convert tab, click on +Add Files button to browse and add videos from your system that you want to convert and edit for YouTube. Multiple videos can be added here.

add YouTube videos to convert and compress

You are allowed to crop, cut, edit subtitles, add watermarks, and perform other editing features to the imported videos, click on the editing icons under the added video thumbnail.

Step 2 Choose YouTube as Output Format

To convert the added videos to YouTube compatible format, click on the drop-down arrow at the Target tab, and a video formats list will be opened. From the Video tab, choose YouTube as your target format and also select the desired resolution from the given options.

select YouTube as video output format

Step 3 Compress YouTube Video Size and Customize Resolution

In order to compress YouTube video size and customize its resolution, click on the compress icon under the Target tab. A new pop-up window will open, from where you can change video resolution, bitrate, or input desired video size directly. Alternatively, you can even move the progress bar to compress the file easily. Click on the OK button to confirm changes.

compress YouTube video size

Step 4 Convert and Compress YouTube Videos

Once all changes and settings are done, click on the Convert button to start the process, or the Convert All button on the right-bottom to convert multiple videos. Find your converted and compressed videos in the Converted tab.

convert and compress video size

Part 3. Convert and Compress YouTube Video Size Free Online

For those people who don't want to download and install any program on their PC and Mac, we always provide an online alternative. Online UniConverter (originally Media.io) is what we recommended for you to convert and compress YouTube video online. You can finish the whole process in 3 simple steps, changing YouTube resolution, converting formats, and selecting output size easily and quickly. It's totally free and no watermarks or ads, but it has a limitation on uploading file size. Below is the simple steps on how to compress YouTube videos online using Online UniConverter (originally Media.io).

Step 1: Open Online UniConverter (originally Media.io) website by paste the link: https://www.media.io/video-compressor.html in your browser, both Windows and Mac are available. And you'll get an interface below. Drag and drop your video to the interface, or click the "+" icon to import.

open Online UniConverter (originally Media.io) online YouTube video compressor

Step 2: After your video have been imported, you can choose the Resolution, Output Size, and Output Format by clicking the drop-down bar.

choose video resolution and compression size

Step 3: Finally, click the Compress icon to start compressing and converting your YouTube videos.

compress YouTube video size online

Part 4. Q & A about Uploading and Downloading YouTube Videos

The following questions and answers will help you to know the queries related to upload and download YouTube videos, such as the YouTube video size limit, the best YouTube video format, downloading YouTube videos, and more.

1. How Long Can A YouTube Video Be?

YouTube by default allows uploading videos that are up to 15 minutes long. For users with live streaming access long upload are allowed and for others verification of Google Account is needed to upload videos longer than 15 minutes. The longest video on YouTube can be 128 GB or 12 hours whichever is less.

2. What Video Formats Are Supported by YouTube?

YouTube supports most common video formats for uploading, but not all video formats are available. Here list the formats which recommended by YouTube: MOV, MPEG4, MP4, AVI, WMV, MPEGPS, FLV, 3GPP, WebM, DNxHR, ProRes, CineForm, HEVC (h265).

For videos in any other format, you need to convert the file to one of the above-listed formats, Wondershare UniConverter can help you do this.

3. How to Download YouTube Video Easily?

YouTube does not allow downloading videos to your PC or a device directly but there is a number of professional software available for the same. Wondershare UniConverter can not only help you convert and compress YouTube video, but also download videos from YouTube with one-click. Using this software you can easily and quickly download desired YouTube videos in high quality to your PC. If needed, the MP3 version of the file can also be downloaded in just a few simple steps. To know the process of downloading YouTube videos using Wondershare UniConverter, just move to How to Download Online YouTube Videos >> and know more details.


Wondershare UniConverter helps you to convert video formats for YouTube, compress YouTube video size, change YouTube video resolution, crop or trim YouTube videos, and downloading YouTube videos by one-click. Free download and use this all-in-one YouTube video tool.

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Christine Smith

chief Editor

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