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Updated by Kaley Torres - Contact Author

Compress MP4: 4 Ways to Reduce Video File Size with High Quality

Before MP4 compression, simply see the table below which is about the maximum file size some services accept when uploading MP4 to them.

Obviously, there is a file size limit. We can upgrade our hardware like computer, external hard drive or iPhone to get more storages by paying some money, however, platforms like Instagram and TikTok won't give you any upgrade plan chance. Based on the fact, you'd better compress your MP4 videos to smaller sizes for uploading, emailing or space saving on PC. After test, WinX Video Converter is chosen as the best and affordable MP4 video compressor to compress MP4 video file size with highest quality reserved.

MP4 Video Size

Best Way to Compress MP4 File Size by 90% - from GBs to MBs

WinX Video Converter, a professional MP4 video compressor, is able to reduce the file size of any 1080p/4K/8K MP4 fast and in high quality. Be it H.264/AVC MP4, GoPro, DJI, Camera HEVC/H.265 MP4 or so, it easily compress MP4 by 40%-90% without visual quality loss.

How to reduce MP4 file size from GBs to MBs with WinX Video Converter:

  1. Free download WinX Video Converter (download Windows version , download Mac version ).
  2. Add an MP4 video you want to compress.
  3. Change codec format, adjust video resolution, bitrate, and cut unnecessary parts. Click to learn how to reduce video file size to be 90% smaller without losing quality >>
  4. Start MP4 file compression.
Compress MP4 with WinX Video Converter

Video Tutorial: Compress MP4 to Reduce File Size Step by Step

Of course, WinX Video Converter is the optimal but not only choice to make MP4 video smaller on Windows 10/8/7. Guessing you may want to freely compress MP4 online or Mac desktop platform for uploading, sharing, collection, emailing or any other purposes, we provide this overall guide, along with the best free video compression software and online tool, to help downsize MP4 including the 4K MP4 files. Simply read our review about all possible MP4 video compressing ways ranking top out the market and choose the one you prefer.

Part 1. Why You Need to Compress MP4 Especially the 4K MP4 Files?

In reality, no matter you use MP4 or any other format like MKV, MOV, WMV, AVI, etc. to format videos, you may face over-sized video problems and have to reduce large video file size. Why is MP4 compression in high demand? Simply because MP4 format is the most popular and widely-used video format as of now. MP4 used to be the best video format with best balance between file size and video quality. However, with video resolution going higher and higher, the file size of an MP4 gets bigger and bigger. To make it clearer, you can check the MP4 file size generated from our daily used devices here.

  • iPhone 12/Pro/Max - a 1080P HD video at 60fps in H.264 MP4 is 175MB per minute, and a minute of 4K UHD video at 60fps takes up 400MB for HEVC.
  • GoPro HERO 8 camera - a 4K UHD video at 30fps in H.264 MP4 is 480MB per minute;
  • DLSR cameras - a 4K UHD video at 24fps in H.264 MP4 is about 1.1GB to 2.2GB per minute.
1 Hour 4K Video Size
1 Hour 4K Video Size

In conclusion, large sized MP4 videos especially in 4K/8K resolution will take up too much storage space on your computer or external hard drive, the heavy files will make the speed too slow or choppy when uploading, sharing or streaming, and more importantly they will cost you much money to store in the cloud service. That's why you need to reduce MP4 file size for both space saving and money saving.

Part 2. 4 Ways to Compress MP4 File Size in GBs/MBs Easily

Method 1. Compress MP4 on Windows 10/Mac with WinX Video Converter

Supported OS: Windows 2000/2003/XP/Vista/7/8/8.1/10 (32 & 64 bit), Mac OS X 10.6 or above
Website: https://www.winxdvd.com/video-converter/

WinX Video Converter is 100% clean and safe software to fullfill common video conversion and compression needs, especially for those newbies who are not skilled with software or computer. It is simple in interface but comprehensive in functionality. Here, as an MP4 compressor for Windows 10 and Mac, it can help downsize MP4 videos up to 4K quite easily by changing the 3 elements, say adjusting video parameters, converting coding format and cutting unwanted parts. Which makes it better than other MP4 video compressors out the market including HandBrake and VLC. Let's take a look at how it shrinks MP4 file size.

Step 1. Free download WinX Video Converter, install and launch it on your computer.

Step 2. Click on "+ Video" on the main UI to add an MP4 video you want to reduce the file size.

Step 3. Set the parameters that determine the size of an MP4 video.

  • Choose "HEVC Video (HEVC H.265+AAC)" from "PC General Video" as HEVC coding format has higher compression ration. Also, place the scroll bar to "LQ/Fast" as high quality always means large size.
  • Open "Setting" window to adjust the listed video audio parameters like resolution, aspect ratio, bitrate and frame rate to a relatively lower level.
  • Click "Edit" button to crop and trim video, delete the unwanted video contents or black bars from the sides to make the file smaller.
Reduce MP4 File Size by WinX Video Converter
Reduce MP4 File Size by WinX Video Converter

Step 4. After that, simply hit "RUN" button to start compressing your MP4 video with this MP4 compressor.

Method 2. Compress MP4 File Size Online with Clideo

Supported OS: Windows, macOS, Android, iOS
Website: https://clideo.com/compress-mp4

Actually there are many free online video compressors offering easy access to downsize MP4 videos. Clideo has clean interface and is recommended here as the best tool to compress MP4 video online. You can upload MP4 video you'd like to compress from Windows, macOS, Android, iPhone, Dropbox, or video URL, and the MP4 video size will be shrinked automatically.

Step 1. Go to Clideo "Compress MP4" page: https://clideo.com/compress-mp4, and click "Choose file" button to add your MP4 video.

Step 2. After uploading, Clideo will automatically process and compress your video. For example, I upload a 4.33MB 1080p MP4 video to it, and it compresses the video by 28% and gives me a 3.12MB MP4 video with high quality.

Step 3. When everything is done, you can click on "Download" button to save the compressed MP4 video to your PC, Google Drive or Dropbox.

Reduce MP4 File Size Free Online
Reduce MP4 File Size Free Online

However, such online services are recommended if your source MP4 video size is quite small. The maximum size of a video won't be over 1GB for free if you use such a online MP4 compressor but you need to pay at least $9/month for more storages. Besides, the upload and download process of especially the long 1080p and 4K videos might take a very long time as the whole process requires an extremely good internet connection and server. What's more, the online way may not that safe as your personal videos may face privacy leak.

Method 3. Compress MP4 Free with Handbrake

Supported OS: Windows 7 to Windows 10
Download Link: https://handbrake.fr/rotation.php?file=HandBrake-1.2.0-x86_64-Win_GUI.exe

Free ways to compress MP4 videos are diverse. Though they have difficulties to compress large-sized MP4 videos like 4K MP4 videos, they are still good choices for standard MP4 files compression. After comparison, the open-source Handbrake is the most used free tool to help reduce MP4 file size.

Handbrake is a totally free open-source video transcoder, that you can turn help for compressing MP4 on Windows and Mac/Linux. After opening the source MP4 file, you just need to choose "Presets" in the right drawer and then resize the resolution, or crop video under "Dimensions" option, set the video frame rate/quality under "Video" option and optimize video to define the video size. Definitely the lower quality/faster converting speed you set, the smaller MP4 video size you'll get.

Step 1. Free download HandBrake on your Windows 10 or Mac computer, install and launch it.

Step 2. Drag and drop an MP4 file to it.

Step 3. Based on the 3 elements that determines an MP4 file size, you can click on "Dimensions" option to set the width and height of the video. Click "Video" option to choose video codec with higher video compression efficiency, lower frame rate, lower video quality and lower bite rate to downsize an MP4. Or directly choose "Presets" to choose the best size for Discord, Gmail, Vimeo/YouTube, and play on Android, Apple devices, PS, Roku, Xbox.

Step 4. Choose a destination folder and click "Start Encode" to compress your MP4 with HandBrake.

Reduce MP4 Video File Size with HandBrake
Reduce MP4 Video File Size with HandBrake

Note: If you want to compress MP4 to FLV or other formats or you need full pre-settings about video quality, resolution and bit rate, which will save you much time, Handbrake is not a good choice for you.

Method 4. Downsize MP4 File with VLC for Free

Supported OS: Windows, macOS, iOS, Android
Official download site: https://www.videolan.org/vlc/index.html

VLC, known as a video player, has a bonus feature of compressing video size. VLC allows users to reduce MP4 video file by lowering video resolution, changing video and audio encoding parameters. Its recording feature can also be used to get the video clip you want and cut down MP4 video length for smaller file size. Here is how to use VLC media player to make MP4 video size smaller.

Step 1. Free download, install and launch VLC on your computer.

Step 2. Click "Media" on the menu bar and choose "Convert/Save".

Step 3. Click "+ Add" button to add your MP4 video and then click "Add/Save" button to go on.

Step 4. Choose profile and do settings by clicking on "Create a new profile" icon. Here, you can adjust bit rate, quality, frame rate, etc.

Step 5. Set the Profile name at the top and then click on "Create".

Step 6. Click on "Browse" button to choose a destination folder to save your compressed MP4 video and click on "Start" to compress your MP4 in VLC.

There's no file size limit when you use VLC to compress MP4 video file size. However, some users report VLC stuttering/crashing during large 4K MP4 video size compression. Anyway, VLC is only an possible way as VLC is not designed for reducing video size.

Reduce MP4 File Size using VLC
Compress MP4 Video Size Using VLC

Summary: If you have common MP4 videos to compress occasionally, free online MP4 video compression services like Clideo are good choices. Handbrake or VLC can be used when you don't care much about compression ratio and output quality. WinX Video Converter shows greater compression ability and outputs the highest quality especially when you compress and convert heavy 4K MP4 files.

WinX Video Converter is the most ideal MP4 compressor emphasizing privacy safety being the top priority. You can rest assured to add any personal home videos to it to process or input a gigabytes of 4K movie to compress, for free up storage space on hard drive or memory card, to upload to web, to send to friends via email, or just for playing on portable devices smoothly.

Part 3. Further Reading: What Determines the Size of MP4 Files?

Commonly, there are 3 main ways to make an MP4 video smaller in size – lowering the MP4 video resolution/bitrate/frame rate, converting MP4 to a lighter format and cut unnecessary parts.

1. MP4 video parameters

Compress MP4 videos by resetting the parameters together will distribute the video file size, and the changed elements include bitrate, frame rate and resolution.

  • Resolution: The lower width*height/resolution is, the smaller the MP4 video will be. Downscale 4K to 1080p resolution will reduce the file size by up to 75% (with other parameters unchanged). Lower video resolution is also more accepted by platforms like TikTok which only support maximum resolution up to 1080p after all.
  • Bitrate: Setting lower bitrate can achieve smaller video size. But please don't make it too low, otherwise the image quality can be really bad.
  • Frame rate: Just like bitrate, lowering frame rate (e.g. from 60fps to 30fps) shrinks video size to a certain degree as well as increase the fluency.

2. MP4 video format codec

MP4 is a video container that is able to contain different video codecs like H.264, MPEG4, H.265, etc. The codec will determine how efficiently the video data can be compressed. Newer codecs can provide better compression ratios than others, and for example, the H.265 (HEVC) codec can reduce the file size of videos encoded with its predecessor H.264 by up to 50%. Therefore, converting MP4 H.264 to H.265 is suggested to make MP4 videos smaller.

3. MP4 video length & width

This is a conservative way to reduce MP4 file size. By cutting unnecessary parts off, remaining less video contents, or cropping annoying black bars for playback video in full screen, you can get a smaller MP4 video with the original quality.

Part 4. Frequently Asked Questions

1. Can MP4 files be compressed?

Yes, you can compress MP4 video files. By adjusting the video parameters like resolution, frame rate and bitrate, convert H.264 MP4 to H.265 MP4, or trimming out the unnecessary parts, you can get a smaller MP4 video for collection, uploading, sharing or transferring.

2. How do I make a MP4 file smaller?

There are hundreds of ways for you to make MP4 videos smaller, including desktop software WinX Video Converter, online tool Clideo and open-source methods Handbrake and VLC.

3. How to compress a 4K MP4 video?

To compress a 4K MP4 video in gigabytes size to a smaller file with super high quality, downsize 4K to 1080p is suggested. To achieve that, you need a real 4K video converter that supports 4K video processing and conversion with best quality reserved, and WinX Video Conveter is the only tool you can choose.

4. How do I compress a 1GB MP4 file?

To compress a GBs, 1 GB or MBs MP4 video without visual quality loss, Winx Video Converter can help.

  1. Free download WinX Video Converter.
  2. Click "+ Video" button to add an MP4 video you want to shrink the size.
  3. Click "Settings" to set the compression ratio, change codec format or bite rate, and click "Edit" icon to cut unnecessary parts.
  4. Hit "RUN" button to compress GBs/1 GB MP4 video to MBs.

4. What is the best MP4 compressor?

Hundreds of offline and online MP4 video compressors out the market are provided for you to choose from, and among them WinX Video Converter is thought as the the best due to the highest compression ratio up to 90%. You can use it to compress an MP4 video from 1GB to 100MB with highest quality reserved.

There are some popular MP4 video compressors chosen to compress a MP4 video, and the test results are as follows.

Tested video: https://www.youtube.com/watch?v=iUNQWu_GjUM

MP4 Compressor (Software)

Compression Ratio

MP4 Compressor (Online)

Compression Ratio

WinX Video Converter

Up to 90%

Clideo

40%

VideoProc

60%

FreeConvert.com

40%

Freemake Video Converter

50%

VEED.IO

30%

Movavi Video Converter

50%

PS2PDF

65%

Free Video Compressor

40%

Mp4Compress

9.3%

ABOUT THE AUTHOR

author - Kaley Torres

Kaley Torres twitter icon

Kaley Torres is particularly skilled in writing and sharing video-related contents. Her guides cover from deep-seated video/audio parameters, to media entertainment on different platforms. She also enjoys shooting and processing videos by herself for a more reliable basis of informative info with her articles.

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