How to Compress a Large MP4 Video File on Windows/Mac/Online

Lisa Ou

April 03, 2020 17:00 / Posted by Lisa Ou

Small-sized videos are easy for sharing, storing and emailing. Sometimes you need to make a video smaller due to the maximum file size limit. If you want to compress a large MP4 video, there are many ways to make the video size smaller. For instance, you can trim MP4 video, crop screen size, convert MP4 to FLV/WMV and use a MP4 compressor. For people who want to make the MP4 video size smaller, you can continue reading to get the detailed steps.

How to Compress a Large MP4 Video File on Windows/Mac/Online

1. Why Compress MP4

Though MP4 is a compressed video format that stored video, audio, subtitle and still image, you can find that many MP4 files are in large file sizes. Your computer will slow down because of saving too many files. Furthermore, you cannot send or share overlarge MP4 files. In many cases, it is inconvenient to deal with large MP4 video files. During this time, you can compress MP4 for email, uploading, sharing and more. In addition, you can compress HD and 4K UHD MP4 files to free up storage space, especially for iPhone and Android.

2. How to Compress MP4 with Video Converter

If you want to make a MP4 file smaller without losing quality, you can use FoneLab Video Converter Ultimate. This is an ultimate video compressor, video converter and video editor. You can get many video editing tools to compress MP4 videos. Moreover, you can adjust video bitrate, resolution, frame rate and more settings to compress a large MP4 file.

  1. Compress MP4 video by adjusting video parameters based on your need.
  2. Rip and remove black edges to reduce MP4 video size.
  3. Trim the important video clip with custom start and stop time.
  4. Convert MP4 to small-sized formats, such as FLV, WMV and more.
  5. Superfast conversion and compression speed.  

Launch FoneLab Video Converter Ultimate. Click Add File to import MP4 files into the MP4 compressor software.

video converter ultimate

Click Trim on the top toolbar. Trim the MP4 video to remove unwanted parts. Furthermore, you can merge the selected video segments together within the window.

clip videos

Click Settings to set the output video and audio settings. To compress an MP4 video file, you can reduce video quality, resolution, aspect ratio and frame rate in the Profile Settings window.

tweak parameters

If you want to play MP4 files on iPhone, iPad and other portable devices, you can get the more compatible MP4 profile from the Profile list. Just type MP4 in the search bar to get all results. At last, click Convert to compress MP4 on Windows 10 and more.

choose mp4 format

3. Compress MP4 Online

There are also many online compressors that allow users to compress MP4 video files for email. Compared with offline MP4 compressor software, you do not need to download and install third-party apps. Thus, you can compress video online as MP4 and other formats on all devices.

Almost all online video compressors have file size limits. This article recommends to compress MP4 online for free with mp4compres.com. Because you can compress MP4 video files online up to 500MB.

Open the MP4 compressor online at mp4compress.com on any browser.

Click Select File to add your MP4 file. Then click Upload Video File to upload the MP4 video.

The online video compressor will compress an MP4 video automatically. You need to wait for a while to get the compressed MP4 video.

Click Download File to download the small-size MP4 video. The video size will be reduced about 30%.

mp4 compress

4. Tips for Compressing MP4

No matter you compress MP4 on Mac, Windows or online, the quality of the MP4 video will be influenced more or less. If you want to shrink video size without affecting the video quality, here’re some tips you can follow.

  1. It is recommended to convert MP4 to H.264, HEVC H.265, M4V, MOV or other small-sized formats. You can compress MP4 videos while maintaining the pretty good video quality.
  2. You can adjust the sidebar of LQ-HQ to compress MP4 on Mac and PC with high quality.
  3. To compress MP4 files slightly, you can lower the video resolution and other settings.

You can make the MP4 video smaller than before with the above online and offline video compressors. In most cases, FoneLab Video Converter Ultimate can be your best MP4 compressor. You can get more flexible functions for video compression. Just free download the program to compress MP4 on Windows and Mac to have a try.

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