Free Download MP4 Codec Pack for Smooth Playback on Windows/macOS

Posted by Candice Liu to convert video, Convert MP4 | Last updated on Dec 26, 2019

You're supposed to know a thing or two about what is MP4 codec and why you need to download the codec pack. That being the case, there is no need to give you the lengthy explaination on its definition. Instead, what this post wanna share with you is how to make choice when you're faced with multiple options on MP4 decoding and encoding topics, along with a proper video player.? You might reach your conclusion after you patiently read this post.

Best MP4 Codecs for Video Playback on Windows/macOS

You're able to skip this part if you already know the answer. If you're not sure, just read on. So far, the best codec for MP4 is H264 or MPEG-4. Therefore, make sure the codec pack contains H264 or MPEG-4 if you need to play MP4 files.

Best MP4 Decoder and Encoder with 370+ Codecs

MacX Video Converter Pro enables you to decode MP4 to H264, MPEG-4, HEVC, MPEG-4 AVC, as well as MPEG-2, XviD, VP8, H263, WMV, etc with 320+ video codecs and 50+ audio codecs supported. Thus, you can not only successfully play MP4 video on Mac/Windows, but also transfer it on iPhone X/8/Plus, iPad, Android without codec incompatibility issues.

How to Decode and Encode MP4 Videos at Fast Speed

The tutorial below will walk you through the whole MP4 conversion procedure. Prior to learning the detailed steps, the preparatory work you need to do is: Free download MP4 converter on macOS (or Windows version). Then fire it up.

convert MP4 codecs on Mac

Step 1: Import MP4via "Add Video" button at the top banner of the main interface. Or just drag and drop MP4 files to this program.

Step 2: Opt for "to MP4 (H264)" or "to MP4 (MPEG-4)" from Mac General Video profile. There are also iPhone X, iPhone 8/Plus, iPhone 7/6s/6/SE/5s, iPad Pro, Galaxy Note 8/S8, Huawei, Nokia, Blackberry and more 350 profiles available for you to choose if you wanna play MP4 on iPhone iPad mobile devices.

Step 3: Tap "Browse" to select the destination folder for output MP4 storage.

Step 4: Click "RUN" button to begin to convert MP4 file on MacBook or iMac with best codec H264 or MPEG-4.

More MP4 Codec Packs You Can Download for Windows/macOS


Perian - the purpose of Perian is to simplify viewing content on macOS. After free downloading it on your macOS, you can use this free open source QT component to play several video formats that are not natively supported by QuickTime player. See, with Perian installed on Mac, the once unsupported MP4 video with H263, MPEG-4 ASP codecs can be played on macOS with QuickTime component Perian. Plus, you can even play MKV codec on MacBook or iMac.

download MP4 codec pack

Media Player Codec Pack - as its official propagation, it has the power to support almost every compression and video codec used by the modern video and audio files. The benefits you can get include 13+ video codecs and 22+ video/audio formats supported, like H264, X264, MPEG-4, H265, X265, AVCHD, AVC, MPEG-2, MP4, M4V, AVI, MKV, 3GP, etc. Meanwhile, the demerit you need to know is that this MP4 codec pack can only work on Windows 10/8/7/Vista and earlier operating system, no macOS version currently.

MP4 codec pack download on PC

K-Lite Codec Pack - when you plan to download K-Lite Codec Pack, you will find that there are up to 4 version: basic, standard, full and mega. Then which version you should download? In terms of MP4 codec, you're recommended to download basic version, which is powerful enough to satisfy what you need: a wide selection of codecs for you to play MP4 video in MPEG-4 Part 2, H264, H263, MPEG-4 ASP, MPEG-4 AVC and more. The most common codecs for Mp4 are covered.

Download Video Player to Play MP4 without Installing Codec

Why you still want a Plan B? Main reason, based on the feedbacks from users on the forum, is that some codec pack software contain adware, spyware, ransomware or even trojan virus to put your computer and internal file data into the edge of risk if you download from some informal websites. So comparatively, most users prefer an even safer way to play MP4 on Mac or Windows without codec incompatibility problem. The safer way you might need is to download MP4 video player to play MP4 video on MacBook/iMac or Windows.

And here we mainly focus on top two video player for both Windows and macOS: VLC player and 5KPlayer. Both of them are downloaded thousands of times each month on softonic. They have something in common and meanwhile differ from each other. Read the below table to see which one you like better.

VLC player
VLC Player

1. Free play MP4 video on Windows and macOS with H264, MPEG-4, H265 and H263 codecs.

2. Support MPEG Audio, MP3, AAC, AC3, Vorbis, Flac, A52/AC-3, Opus, Speex, WAV and WMA2, 11 audio codecs in total.

3. Free convert MP4 to MKV, MP4 to AVI, FLV, WebM, etc.

4. One of VLC hidden features: free download YouTube MP4 via VLC.

5. Record non-downloadable MP4 screen video on you PC/Mac.


1. Free play MP4 files on Mac and Windows with codecs like H264, H265, H263, MPEG-4, MPEG-4 ASP, MPEG-2 Part 2, MPEG-4 AVC, etc, no 3rd party app needed.

2. Up to 14+ audio codecs supported, for instance, MP3, AAC, AC3, iPhone Ringtone M4A, WMA, AIFF, WAV, Flac, OGG, DTS, etc.

3. Allow you to AirPlay MP4 video from iPhone iPad to MacBook, iMac, Mac Mini, etc. and stream MP4 file from Mac to Apple TV.

4. Free download MP4 video from YouTube, FB, Vimeo, etc. 1000+ sites.

MacX Video Converter Pro - Play ANY Videos on Windows and Mac

Built in 370+ audio/video codecs, it can convert any SD/HD/4KUHD videos in formats of MKV, MTS, AVCHD, MOD, FLV, etc to MP4, MOV, AVI, MP3, etc for playback on Mac and Windows and download videos to format playable on TVs, iPhone, iPad, Android, etc with high quality and fast speed.

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Free Download MP4 Codec Pack with 320+ Video Codecs Supported