MP4 Compressor: Compress and Reduce MP4 File for Smaller Size

Three Major Reasons to Reduce MP4 File Size

Besides the abovementioned reason of freeing up iPhone space by downsizing MP4 videos, there are three main reasons why people are urgent to compress MP4 video files. 
1. In spite MP4 is regarded as one of the best YouTube upload formats, the file with larger size usually gives rise to YouTube upload failure, not to mention slow upload speed. So you need to shrink MP4 down so as to share it on YouTube or Facebook successfully.
2. E-mailing an MP4 video clip with smaller size to friends is much easier and faster than a larger one.
3. For a successful playback of a high-resolution video on a small-screen phone, you need to shrink MP4 video for smaller size to fit the screen, see with the help of a MP4 video compressor.

Top 3 Ways to Reduce Size of MP4 Video File

Way 1: Compress MP4 to a Smaller-Sized FLV, WMV

There is a bewildering array of video formats besides MP4 - AVI, WMV, FLV, MOV, MKV, etc for compressing files, - and on top of that, how these formats stack up against each other, especially in terms of providing smaller file size than MP4? Which one is the best format to compress MP4 to? The table below will list the formats with both pros and cons.

Way 2: Change Parameter Settings, Incl. Video Resolution, Frame Rate and Bit Rate

Video resolution: The video resolution is closely bound up with video size and quality. Higher resolution usually results in larger video file size. Changing the original video to a smaller resolution will lead to a smaller file size. For HD MP4 video, as high as 1920*1080P, it's recommended to reduce to 1280X720, 640×480, 640×360, and more resolutions.

Bit rate: As for the bit rate, lowering the bit rate will bring about the decrease of the video file size. But please keep in mind the image quality will be bad in case you make the bit rate too low.

Frame rate: With regard to frame rate, it has a lot to do with the file size. the lower frame rate, the smaller size you will get, and vice versa. Below is the suggested MP4 compression settings for YouTube as well as Vimeo.

Way 3: Trim Unwanted Part to Downsize MP4 Video File

Generally, trimming unwanted video clips from your big video file is a feasible way to decrease your MP4 video file size. And some video editor tools as well as video converters that toast the editing features can realize the task. You can either change the video file into multiple segments or cut off the unwanted clips to get the video size compressed.

Feasible Tools to Realize MP4 File Size Reduction

Now that you've figured out the ways to compress and reduce MP4 file size, let's step forward to find the best MP4 file size reducer. Without any doubt, it couldn't be better to find one tool integrating the abovementioned MP4 downsizing features. Luckily, MacX Video Converter Pro realizes all what you need. It features MP4 video compression, parameter adjusting, excellent video editing and batch MP4 conversion. All you have to do is to load the large-sized MP4 video, choose the smaller-sized WMV or FLV, change the parameter settings or trim the unwanted parts if you like, and start the conversion.

One thing needs to be mentioned, it is world's first media converter for Mac taking advantages of the breakthrough hardware acceleration Intel QSV sync video, which compresses MP4 up to 5x compared with other converters. Plus, the boasting of high quality engine will ensure a 98% quality reservation even if you conduct the MP4 compression to make it smaller using the MP4 resizer. Therefore, you can upload it to Youtube, email to your friend as fast as possible with crisp image.

Other Alternatives to Shrink Size of MP4, MOV, AVI, WMV, etc

1. Reduce MP4 video size in Windows: Windows Movie Maker provides a simple way to reduce the file size of any video thanks to its video editing and creating features. You can just import the MP4 video to be resized once you open the Movie maker, put it into the movie maker tineline, open the "Save Movie" wizard and select the desired file size for the finished video file on your computer.

2. Shrink the size of MP4 video with iMovie: Apple iMovie is an excellent video editing tool that can easily adjust the file size of a video, be it MP4, MOV, AVI or MKV. You just import your video file into iMovie by clicking and drapping the file's icon into the right panel of the iMovie window, click and drag it again down into the timeline at the bottom of the window, select "Export using QuickTime", click "Options" to choose desirable format, date rate, frame rate, etc, then click "Export" to finish video size reducing.

3. Compress MP4 Video with Handbrake: Although Handbrake doesn't allow to compress MP4 to files like WMV or FLV wiht smaller size, it does let you adjust parameter settings, including video quality, resolution and bit rate. If you are just wanting to reduce MP4 file size for uploading to YouTube or other web sites, you can just check the Web Optimized box to get the desired result.