It is hard to deal with a large MP4 video file. No matter whether you want to save, share, upload, post, or edit a large MP4 file, you need to spend more time and consume more storage space, unless you can compress those MP4 videos. However, video quality is also a big factor when you compress MP4. In that case, you can check this post to learn how to compress MP4 videos on Windows and Mac. Your MP4 video will shrink its size without losing quality.
To shrink and optimize digital MP4 files, this article provides online and offline MP4 video compressors. If you can't wait to compress large MP4 videos to a smaller file size, you can get the complete MP4 compression tutorial here. Keep reading and you can get various MP4 compressors to fully compress a MP4 video file based on your need.

Part 1: How to Compress MP4 on Windows and Mac
Compress MP4 Video Without Losing Quality
Different people want to compress MP4 videos to different levels. Many programs compress MP4 videos but highly decrease the video quality. But you can use Tipard Video Converter Ultimate to reduce MP4 file size significantly without losing quality. This program is not only a powerful converter, but also includes useful and effective tools to reduce the MP4 video file size easily. You can customize video settings, like resolution, encoder, frame rate, and more, to highly compress MP4 videos while preserving the original quality.
- Compress MP4 video to any file size without losing quality.
- Adjust MP4 video resolution, encoder, bitrate, frame rate and more to reduce video file size.
- Convert video from MP4 to other small-sized video formats.
- Cut out the unwanted part to compress MP4 video.
- Batch MP4 video compression and conversion with 60x faster speed.
Step 1 Download and install Tipard Video Converter Ultimate and launch it. To compress MP4 video to a smaller file size, you can navigate to More Tools on the top ribbon. Then, choose Video Compressor.

Step 2 Click the Add to import your MP4 video. You can check and edit the main information of the imported MP4 file.

Step 3 Compress the MP4 video with the slider next to Size. Moreover, you can change resolution, bitrate and output format within the Video Compressor window. Finally, just click Compress to compress the MP4 video quickly on your Windows or Mac computer.

VLC
VLC can also help you compress MP4 videos. VLC Media Player is a popular media player and converter. However, you can also use it to compress MP4 video for free. The video compression feature in VLC is not easy to find because it is hidden in its settings menu. Let's learn how to compress an MP4 video with VLC.
Step 1 Click the Media button on the top left side of VLC, and then click the Convert/Save button.

Step 2 In the File tab, click the Add button to import your MP4 video to VLC. Then, click the Convert/Save button to continue.

Step 3 In the Profile section, click the dropdown button to select a video profile. A profile with H.265 encoder is recommended because it has a high compression rate. Then, click the Settings button.

Step 4 Choose the Video codec tab, and then select Resolution. Here, you should manually decrease the video resolution to compress your MP4 file. Click the Save button to save your changes.

Step 5 Finally, click the Browse button to choose a destination folder for your MP4 video, and click the Start button to compress the MP4 video for free with VLC.

Part 2: How to Compress MP4 Online
If your MP4 video file size is not very large, you can use an online MP4 compressor to make your MP4 video smaller as well. There are many online MP4 video compressors you can use to reduce MP4 size. This article offers two popular and reliable ways to compress MP4 free online.
MP4COMPRESS
Step 1 Go to the official website of mp4compress.com on a browser.
Step 2 Click the Select file button to add a MP4 video no more than 500MB from your local storage. Then click the Upload Video File button to upload the MP4 video to this website.
Step 3 MP4Compress will compress MP4 video online automatically. So wait for a while to complete the MP4 online compression.
Step 4 Click Download File to download the compressed MP4 file.

FreeConvert
Step 1 Go to the official Video Compressor webpage of FreeConvert on your browser.
Step 2 Click the Choose Files button to add MP4 videos to this website. You can add multiple videos because FreeConvert can compress MP4 videos in batch.
Step 3 Click the Compress Now button to compress the MP4 video free online.
Step 4 When this website has compressed your MP4 file, click the Download button to download the compressed MP4 file.

Part 3. How to Compress MP4 File for Email
Maybe you need to send MP4 videos via email. If you need to send multiple MP4 files, you can compress them into a .zip file to shrink the file size. You can also use the methods above to highly compress MP4 videos first and then wrap them up into a .zip file. Here, you can check how to compress MP4 videos into a ZIP for email.
Step 1 First, select all MP4 videos you need, and right-click on them.
Step 2 On the popup window, you should select Compress to. Then, click the ZIP File button to compress MP4 videos to a ZIP.

Conclusion
It's not difficult to compress MP4 videos. You can use many online and offline programs to compress MP4 files. However, you should select specific programs to shrink MP4 videos based on your specific needs. If you have many MP4 videos and want to batch-compress MP4 videos quickly, then Tipard Video Converter Ultimate is your best choice. It can quickly compress many MP4 files at the same time and keep high video and audio quality.