Your Complete Video Toolbox

Wondershare UniConverter

  • Best MP4 video compressor to compress MP4 and other 1000+ videos to smaller size without any quality loss.
  • Compress video size by changing video resolution, converting video format, customizing bit rate and other settings.
  • Trim, Crop, Rotate, Add Watermark, Apply Effects and other video editing features are available.
  • Versatile toolbox combines Screen Recorder, GIF Maker, Fix Video Metadata, etc.
best MP4 video compressor

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

Top 10 Best Free MP4 Video Compressors

by Christine Smith • 2020-02-24 11:23:27 • Proven solutions

It's not an easy job to compress a video to different formats with various tools. Here we'd like to share some guides to compress MP4 videos free. If you are having format and size issues especially as concerns your MP4 videos, then you may be in need of MP4 compression. There are top 10 MP4 compressors free that you can take advantage of in this regard.

Recommended Product - Best MP4 Video Compressor for Windows/Mac

video converter icon Wondershare UniConverter - Best Video Compressor for Windows/Mac

wondershare mp4 compressor
  • Compress MP4 videos to a smaller size in 30X faster speed than other tools and without any quality loss.
  • Shrink MP4 videos by customizing video parameters, like bit rate, frame rate, resolution, encoder, etc.
  • Reduce MP4 video size by trimming and cropping unwanted parts with real-time preview.
  • Compress and convert any video in 1000+ formats including MP4, AVI, MOV, WMV, MKV, etc.
  • Transfer compressed and converted MP4 videos from PC/Mac to iPhone/Android devices easily via a USB cable.
  • Burn MP4 videos to playable DVD with attractive free DVD templates.
  • Download or record videos from 10000+ video sharing sites like YouTube.
  • Versatile toolbox includes fixing video metadata, GIF maker, casting video to TV, and screen recorder.
  • Supported OS: Windows 10/8/7/XP/Vista, Mac OS 10.15 (Catalina), 10.14, 10.13, 10.12, 10.11, 10.10, 10.9, 10.8, 10.7, 10.6.
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Further Reading: Learn How to Compress MP4 Videos in Batch Step by Step >>

1. Wondershare Free Video Converter

Wondershare Free Video Converter is an extremely powerful MP4 video compressor to meet your needs. It supports various video formats like MP4, MKV, MOV, VOB, FLV, AVI, etc. With it, you can easily convert your videos without any quality loss and even customize the video settings as you like to compress MP4 files. As for its conversion speed, it converts 30x faster than any other converters. If you want to compress your MP4 videos for free, download and install Wondershare Free Video Converter on your PC/Mac, and follow the simple steps below.

Step 1: Open Wondershare Free Video Converter on your PC/Mac, and switch to the Toolbox tab by default. Click on the Video Compress option to start your MP4 compression process.

Step 2: You'll get a pop-up window with the + sign, click it to choose an MP4 video you want to compress. Dragging and dropping video directly are also available.

Step 3: The information of your added MP4 video will be displayed on the new interface, from where you can change compression settings including video resolution, format, file size, bit rate, and others. A progress bar can be moved to reduce MP4 video size easily. You can check the video quality by clicking on the Preview button.

Step 4: After all settings are done, tap on the Compress button to compress MP4 video size for free after a few seconds.

best free MP4 compressor


  • Support various video formats;
  • Compress video size with no quality loss
  • Change compression settings easily by dragging progress bar.


  • Complicated steps to compress audio files.

2. Windows Movie Maker

This application comes with your Windows Me, XP as well as Vista. However, for those using Windows 7, you can get a free download of the program. This program allows for easy MP4 compression as you simply need to import the file into the program once you have launched it. At the same time, the quality of the compressed file will still be as high as the original file. This is because the program does the optimization of the compression for the computer.

free mp4 compressor - windows movie maker


  • Produces high-quality compression because of the optimization of the compression that the program does for the computer;
  • User interface of the program is fairly easy.


  • Tends to crash sometimes when working;
  • There are different versions of the same program which can be a bit confusing.

3. Freemake Video Converter

This freeware can compress the file into a lot of desirable formats such as DivX, WMV, AVI, MKV, ROM and several other formats. It is also possible to compress audio files. Your MP4 video files can even be compressed to formats which can be compatible with various multimedia devices, such as Apple devices and various mobile devices. You can just choose the format you want to compress.

free video compression software - freemake


  • You can easily edit the files resulting from the compression;
  • User interface of the program is fairly easy.


  • There is a charge to upgrade it to the Gold Version.

4. Any Video Converter

This is freeware which offers you a lot of options when it comes to video compression. You can manipulate a number of formats to even end up with MP3 files which can be played on your portable devices. Hence, for the compression of your MP4 files, this is a handy tool.

free mp4 video compressor - any video converter


  • You can easily edit the files resulting from the compression;
  • User interface of the program is fairly easy.


  • There is a charge to upgrade it to the Gold Version.

5. VSCD Video Converter

There are many possible configuration settings with this program. You can compress MPEG files even for mobile devices like gaming gadgets, mobile devices and iPods. The compression rate of this program is ideal.

free mp4 video compressor - VSCD


  • You can perform other editing functions as well
  • An easy user interface.


  • Output formats in the case of audio files may be limited

6. Handbrake

This is an open-source video-transcoder program that is free to use and compatible with multiple platforms including Windows, Linux, Mac, and others. Using the program, all your multimedia files including the files from the DVD and Blu-ray discs can be processed. The files can be compressed using the tool by changing various parameters. Conversion of the added files to MP4 and MKV formats is also supported. Several video and audio encoders are supported by the program. An array of preset profiles optimized for the devices are also available at the tool for the conversion. Additional features include batch scanning and queuing of encodes, support for VFR and CFR, Live Static and Video Preview, support for multiple video filters, and many others.

free mp4 compressor - Handbrake


  • Free to use an open-source program
  • Multiple platform support
  • Video compression in decent quality


  • Supported output formats are only MKV and MP4
  • Advanced settings can be difficult for beginners to manage
  • Complicated interface

7. KeepVid

To compress your MP4 and MOV videos for mail, YouTube, and other purposes, KeepVid works as a good choice. This free online compression tool allows adding local videos to the system in a simple manner. The added file can be compressed by choosing the file quality from the available options. There is also an option to change the output file format and the resolution of the video as needed. You can also keep the resolution as the source file. After the file is processed by Keepvid, you can download the same from the interface.

free mp4 compressor - keepvid


  • A free tool with a simple interface
  • No software download needed
  • Allows changing the file size, resolution and the format


  • Limited format support
  • The compressed file has to be downloaded
  • Internet-dependent for its working

8. YouCompress

This is a free to use browser-based program that allows compressing video in MP4, MOV, MP3, PDF, JPEG, JPG, PNG, and GIF format. The file can be added and processed one at a time using the tool. The interface of the software is simple where you just need to load the local video to be compressed and the tool will automatically process the file which is then available for download. Post compression, the tool also shows the percentage of the compression and the size of the processed file.

free video compressor - youcompress


  • Free to use site
  • Supports popular video, image, and PDF file formats
  • Automatic file compression


  • Being an online tool, it is internet dependent
  • Slow file processing speed
  • No option for batch processing and customize compression

9. MP4Compress

To compress your MP4 videos without losing quality, this works as an excellent tool. The program works directly from your browser window without any need for software download or installation. The maximum supported file size is 500MB and the local files on your system can be uploaded to the program. The simple interface makes the compression task easy for the beginners as well as you just need to select the file and it is automatically compressed in the best possible manner using the program. After the process is over the compressed file can be downloaded from the interface to the local system.

free mp4 video compressor - mp4compress


  • Free program with a simple interface
  • File compression task is done automatically
  • No need for software installation of registration


  • Only MP4 videos can be processed using the tool
  • The maximum supported file size is 500MB
  • No option for customizing file parameters for the task

10. Online UniConverter (originally

This is an online free-to-use tool that allows video compression in good quality. Files in almost all popular formats can be compressed using the program by the change in their resolution and size. The option of video conversion to popular formats is also available. The program has a simple interface where you just need to add the local video and then select the resolution and the reset the size from the available options. The processed files are available at the interface for downloading it to your system. Signing up with the program gives you the option to get the process completion notification.

best online free mp4 compressor


  • Free to use without any ads or watermarks
  • No requirement for software installation
  • Support all popular video formats
  • Simple and clear interface


  • No option for batch processing
  • Internet-dependent
  • Limited option for file parameter editing for compression

After you have learned the top 10 online or desktop free MP4 video size reducer, you can choose one of them to compress MP4 videos for free as your needs. However, for the best compression effect and user experience, Wondershare UniConverter (originally Wondershare Video Converter Ultimate) is the most recommended alternative to free video compressor for all video formats. Free download and use this video compression software on your Windows/Mac with simple steps.

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Christine Smith

Christine Smith

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