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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

How to Use FFmpeg to Resize Video Without Any Quality Loss

by Christine Smith • 2024-01-11 10:28:23 • Proven solutions

Is it possible to resize my videos to make them smaller with FFmpeg?

What should you do if you want to resize your original video dimensions from 1024x576 to 720x480 to meet the requirement? To reduce and resize the video size for easy sharing and storing, there are a number of tools and programs available. FFmpeg is the leading multimedia tool which allows you to decode, encode, transcode, scale, crop, and edit videos. You can also use FFmpeg to resize video and compress video size, follow the simple steps list below and find the best FFmpeg alternative to compress video much easier without any quality loss.

Part 1. Best Alternative to FFmpeg to Resize Videos Easily

If you are looking for a fast, straightforward, and a lossless solution to resize your videos, Wondershare UniConverter (originally Wondershare Video Converter Ultimate) is the best choice. Compatible with Windows and Mac, this software allows adding an array of video formats and reducing their size by editing the frame rate, bit rate, quality, and resolution. The effects of compression can be previewed so that you can make any adjustment easily. Wondershare UniConverter works as the best alternative to the method of FFmpeg resize video.

  • Resize and compress videos on Windows/Mac without losing any quality easily and quickly.
  • Resize videos by changing video resolution, bit rate, quality, size, and other parameters with real-time preview.
  • Edit videos with cropping, trimming, rotating, adding watermarks, applying effects, etc.
  • Convert and compress videos in 1,000+ formats including MP4, AVI, MOV, WMV, MPEG, and more others.
  • 90X faster compressing speed than any video compressor.
  • Transfer resized videos from PC/Mac to iPhone/Android devices via a USB cable.
  • Resize video and audio files in batch process to compress multiple videos at a time.
  • Toolbox with additional functions like Screen Recorder, Video Downloader, GIF Maker, Fix Media Metadata, Cast to TV, etc.
  • Supported OS: Windows 10/8/7/XP/Vista, macOS 11 Big Sur, 10.15 (Catalina), 10.14, 10.13, 10.12, 10.11, 10.10, 10.9, 10.8, 10.7

Steps to Compress Videos Using the Best FFmpeg Alternative - Wondershare UniConverter

Step 1 Launch FFmpeg alternative and Add Video Files

Launch Wondershare UniConverter (originally Wondershare Video Converter Ultimate) after you have downloaded and installed it on your PC/Mac. Go to the Video Compressor option, and click on the + sign and the file explorer will open up.

add a video to FFmpeg alternative

Step 2 Customize video compression settings

To reduce the size of the file, you can change the format, resolution, bit rate, and frame rate of the added video. You can also move the progress bar to automatically change the compression level.

customize video compression settings

Step 3 Resize video with FFmpeg alternative

To check the changes you have made to your video, click on the Preview button. You're allowed to choose your video file location to save the compressed file at the File Location option. Finally, click on the Compress button to resize your video easily with FFmpeg alternative.

resize video with FFmpeg alternative


To resize videos in batch and edit videos with cropping, trimming, rotating, just move to How to Batch Compress and Edit Videos Easily >> to learn more.

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Part 2. How to Compress Video Size with FFmpeg

FFmpeg is a free to use software project that comes along with an array of libraries and the programs for handling multimedia, video, audio, and other file types. FFmpeg used command-line for processing different files. Video compression is one of the many features supported by FFmpeg. Using the program, the resolution of the video file can be changed in order to reduce and resize the file. When the resolution is changed using FFmpeg, the file goes through the encoding process one more time and thus the process is slow and may take time depending on the output format and the codec being used. For Linux compress video, this is the best solution.

Steps to use FFmpeg to resize video:

The below command-line will help to resize the resolution of a video from 1920 X 1080 pixels to 640 X 360 pixels.

ffmpeg -i video_1920.mp4 -vf scale=640:360 video_640.mp4 -hide_banner

If video look needs to be changed setdar can be used as an additional filter. For instance, in the above situation, if you wish to change the aspect ratio from 16:9 to 4:3 following will be the command.

ffmpeg -i video_1920.mp4 -vf scale=640:480,setdar=4:3 video_640x480.mp4 -hide_banner

Pros and Cons of the method:


  • Supports an array of filters and codecs.
  • Free and open source method.
  • All popular audio and video formats are compatible.


  • The method is difficult to understand and use for the beginners.
  • Confusing documentation.

Part 3. Comparison Between Wondershare UniConverter and FFmpeg

Choosing between Wondershare UniConverter (originally Wondershare Video Converter Ultimate) and FFmpeg method for compressing video files entirely depends on what are your requirements, the number of files and an array of other factors. To help you in deciding, the table below compares both the methods on different parameters.

Features/Program Wondershare UniConverter FFmpeg
Supported System Windows/Mac Windows/Mac/Linux
Supported Formats Over 1000 video and audio formats including MP4/MOV/AVI/MKV/WMV All popular formats
Compress Quality Compress videos even without any quality loss High
Compress Speed 90X faster than any other Average
Preview Compression Effects Yes, a real-time preview for 20 seconds No
Convert Video Format Yes No
Trim/Crop and Edit Videos Yes, many video editing features like Crop/Trim/Rotate/Watermarks/Effects, etc. No
Easy to Use Yes, compress videos with 3 simple steps and intuitive interface. No, resize video with command-line.

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Christine Smith

Christine Smith

chief Editor

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