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The most comprehensive video and audio compressor for PC.
  • One-click batch operation;
  • Supports 1000+ formats;
  • High-definition and lossless-quality compression;
  • Satisfies personalized compression demands.

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. 1.14 Compress AVI File
  14. 1.15 Reduce Size of MKV
  15. 1.16 Top 5 WebM Compressors
  16. 1.17 Compress WAV Free Online
  17. 1.18 FLAC Compression Software
  18. 1.19 Top 5 Online MP3 Size Reducers
  19. 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 13 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

Top 4 Video Resizer: How to Resize Videos Online and Free

by Christine Smith • 2024-01-11 10:28:16 • Proven solutions

For getting the best video watching experience, it is essential to keep the video file in the perfect size and aspect ratio. That's why so many people are looking for ways to resize videos to make video files fit different types of devices screen. For uploading videos to Facebook, Instagram, YouTube, and other online sites, they need to be in a specific size. In the above mentioned and many other situations, you may need to change video size with professional video resizer tools. Read the following parts to know the top 5 different ways to resize videos online and free on desktop or mobile phones.

Part 1. Best Video Resizer to Change Video Size for YouTube/Facebook/Instagram

To downsize video and change its other parameters without losing the original quality, we recommend Wondershare UniConverter (originally Wondershare Video Converter Ultimate) as the best choice. Using this program, you can change and resize your videos to be uploaded to YouTube, Facebook, Instagram, and many other sites. With over 1,000 formats supported, you can resize almost all types of video files. Videos can be reduced in size by changing their bitrate, quality, and video resolution. The overall process is fast and simple, and the program works perfectly with Windows and Mac systems.

  • Resize videos with features of changing video resolution, customizing video size, converting video formats, and others
  • Support 1,000+ video formats to compress and convert without any quality loss
  • Edit videos with features of cropping, trimming, rotating, adding watermarks, and others
  • Check compressed video quality with a 20s real-time preview
  • Download videos from YouTube and other 10,000+ video sharing sites by pasting URL
  • Supports batch processing to compress and convert multiple files at a time
  • It has additional functions like Screen Recorder, VR Converter, GIF Maker, Fixing Media Metadata, and more

Steps on how to resize videos using Wondershare UniConverter:

Step 1 Launch Wondershare Video Resizer

Launch Wondershare UniConverter (originally Wondershare Video Converter Ultimate) on your computer after download and installation. From the main window, click on the Video Compressor tab.

launch video resizer on Win/Mac

Step 2 Load Video Files to Resize

Click on the + sign or Document icon to browse and add a video file that you need to resize from your PC/Mac.

load videos to resize

Step 3 Resize Videos by Customize Settings

All the details of the added video will appear. Customize the File Size to resize videos, and you can also select video format, change video bitrate, and quality by dragging the progress bar. Click on the Preview button to check the changes made to the video after resizing.

customize video resizing settings

Step 4 Resize Video Easily and Quickly

Click the File Location tab to choose the file location if you want. Finally, click on the Compress button to start the video resizing process.

start resizing videos

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What is the best way to resize a video online for Instagram, Twitter, and Facebook? --- A question from Quora

Part 2. Other 3 Recommended Video Resizer You Should Know

Listed below are some more popularly used tools to resize a video that can be considered.

  1. EZGIF
  2. Desqueeze for iPhone
  3. Resize Video for Android


EZGIF is a free video resizer that works straight from the browser window. The process of file resizing is quick and simple, with support to an array of popular formats, including MP4. WebM, FLV, MOV, 3GP, and others. It supports a maximum of 100MB file size. You can either add a local file from your PC or a video URL to resize it. The height and width of the file can be changed as needed. Resized videos can be downloaded from the interface.

other video resizer tools - ezgif


  • No need for software installation.
  • Free to use.
  • It supports popular formats.


  • It only supports 100MB file size for resizing.
  • Dependent on internet connectivity and speed.
  • No additional features.

2. Desqueeze for iPhone

For iPhone users, Desqueeze is an excellent application that allows resizing videos as well as photos to any size up to 4K and 8192px, respectively. You can resize the file by stretching, ratio fitting, and ratio clipping. Batch resizing is also supported for multiple files. Additional features include using presets and manual inputs in pixels, using orientation detection for resizing the files to natural size and anamorphic de-squeeze.

other video resizer tools - Desqueeze for iPhone


  • Supports batch processing.
  • Features presets as well as manual selection of pixels.
  • It allows you to ratio fit, ratio clip, and stretch of files.


  • It works only on iOS devices.
  • It supports the specific file size for videos and images.

3. Resize Video for Android

For Android users, Resize Video by CodeEdifice is a good app to change the size of the video files. The app is free to use and allows video resizing in a simple manner. You can also trim the unwanted part of the video file to reduce its size. Playing the resize video is also facilitates. Additional features include adding music to video files, removing audio from video files, sharing video files to Facebook, Gmail, and other social networking sites.

other video resizer tools - resize video Android


  • Free to use an app
  • Allows to add or delete audio or music from the video file.
  • Facilitates sharing videos over social networks.


  • It comes with ads.
  • It supports only Android devices.


VLC Media Player and FFmpeg are also top-rated free video resizer to change video size. If you want to know more details about how to resize videos with them, please move to 3 Ways to Reduce Video Size with VLC>> and How to Use FFmpeg to Resize Video Without Any Quality Loss>> to learn more.

Part 3. Comparison of 4 Video Resizer Tools

Listed above is a different solution to resize videos with their own set of features and specifications. Depending on what are your requirements for video resizing, you can pick up the most relevant tool. To help you with the selection, below given is a comparison table of the above listed resizing solutions and tools.

Features/Tools Wondershare UniConverter EZGIF Desqueeze for iPhone Resize Video for Android
File Size Limitation No, add video and audio files without any limitation. Yes, a maximum of 100MB. Yes Yes
Supported Input Format Over 1000 format support. All popular formats. Like MP4, MOV, FLV, WebM, and others. Popularly used formats. Widely used formats.
With Format Conversion or Not Yes No No No
Compress Audio Yes, support compresses common audio files. No No No
Quality Loss No, resize and compress videos without losing quality. Yes Yes Yes
Compress speed 90X-faster than other video resizers. Fast General General
Network Dependence No, compress files offline. Yes Yes Yes

Conclusion: Choose Wondershare UniConverter (originally Wondershare Video Converter Ultimate) as your best video compressor to resize videos easily, and quickly, you'll find the answer of how to resize videos.

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Christine Smith

Christine Smith

chief Editor

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