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MacX Free MKV Video Converter- Free MKV converter for Mac to convert MKV to any format on Mac for free

MacX Free MKV Video Converter

100% Free OS Compatibility: Mac OS X 10.5-10.12

Free MKV video converter for Mac to convert MKV to AVI, MOV, MP4, FLV, YouTube, iMovie that fits iPhone, iPod, iPad, Apple TV, Blackberry.

MacX Free MKV Video Converter is a 100% safe and free MKV converter for Mac to convert MKV for free on Mac OS with no virus. It supports converting MKV to any video formats, including MKV to MP4, AVI, MOV, FLV, H.264, etc. So you can upload favorite videos to YouTube, Metacafe, edit converted video with iMovie, or transfer to iPhone, iPod, iPad, Apple TV, Blackberry, etc.

This free MKV converter for Mac also allows you to extract audio files from MKV videos and take snapshot from source videos. For those who would like to make stylish video from MKV video, this MKV video converter for Mac also bring you flexible editing function, like adjusting parameter, clipping video segment, etc.

Compare with Advanced Edition

How to FREE Convert MKV to MP4 on Mac

Load MKV Video

Step 1: Click "+" button to load the target MKV videos. Or simply drag and drop to import your MKV videos to be converted.

Select Output Format

Step 2: Choose MP4 as the output format from the drop-down window. You can also freely convert MOV, FLV, WMV, YouTube to MP4 format.

Hit RUN Button

Step 3: Tap "Browse" to save output video and click "RUN". Enjoy the high-quality MKV to MP4 conversion with the free MP4 video converter.

Why Upgrade to Video Converter Pro Edition

Download Videos from 300+ Sites

Download online videos (4K/8K UHD, 1080p/720p HD, SD, 3D) from YouTube, Vimeo, Vevo, Dailymotio, etc.

Convert HD Video to Any Format

Convert MKV, AVCHD, MTS, M2TS and other HD videos to MP4, H.264, MPEG4, MOV, AVI, FLV, WMV, etc with 5X faster speed.

30-day Money Back Guarantee

Enjoy free lifetime upgrades to future versions. 30-day money back guarantee.

Features Comparison
(among Pro versions)

Free Edition

MKV Video Converter

Advanced Pro Version



3-in-1 Package

MacX Media Management Suite


Download Videos and Music

Download Videos (3D Movies, 360 VR, bluray videos) from YouTube, Vimeo, FB, Vevo, Dailymotion, and 300+ sites.

Support All Video Formats

Support an Array of Videos as Input incl. 8K, 4K 4096P, 1080P, 720P HD, SD in MKV, M2TS, MTS, AVCHD, MP4, etc

Support Hot Devices

Update Constantly for the Latest Devices like iPhone X, iPhone 8/ Plus, iPad Air 2, iPad mini, Samsung Galaxy, HuaWei, etc

Convert HD & SD Videos

Convert All HD & SD Videos to MKV, MP4, H.264, MPEG, MOV, AVI, FLV, WMV, and More

Record & Edit Video

Screen Recorder, Video Recorder, Photo Slideshow Maker and Video Editor

DVD to Mainstream Videos

Rip All Encrypted DVDs to Almost Whatever Formats/Portables

Transfer iOS content

Transfer videos, photos, and music between iPhone iPad and Mac computer.

Free Lifetime Upgrade

Free Lifetime Upgrade and 30-day Money Back Guarantee

Free Download

MacX Free MKV Video Converter Main Features

Free Convert MKV to AVI, MP4, FLV, MOV

This free MKV video converter for Mac works well in free converting MKV to AVI, MP4, MOV, FLV, MPEG, H,264, etc. Thus you can watch MKV video on familiar media player, upload to YouTube for sharing, or edit with iMovie according to your needs.

Transfer MKV to iPhone, iPod, iPad, Blackberry

MacX Free MKV Video Converter can convert and transfer MKV video to fit portable devices, like MKV to iPhone, MKV to iPod, MKV to iPad, MKV to Apple TV, MKV to Blackberry. So you can watch MKV videos at anywhere anytime.

Adjustable Parameter Settings to Make Stylish Video

With user friendly interface, this free MKV video converter for Mac is easy to use for both newbie and experienced user. All the parameters of profile can be provided for you to customize the output video like resolution, frame rate, bit rate, sample rate, etc that would better fit your player or portable devices.

Advanced Technology, Fast and High Qualtiy

This free Mac MKV video converter is armed with advanced features, like multi-core CPU utility, high quality video encoding engine and advanced De-interlace accelerator, all these ensure its super quick MKV conversion duration and excellent output audio/video quality.

Clip Video Segment from MKV Video

MacX Free MKV Video Converter enables you to remove the unwanted part, like advertisement and convert video segment from the source video. You could also stretch video to full screen when converting MKV to portable devices.

Totally Free and Lifetime Upgrade

This MKV video converter for Mac is totally free yet 100% Clean. No Spyware, No Malware, No Adware, No Virus. No watermark, no time limit, no functions or features reserved. It also enjoys free upgrade for the whole life.

Extract Image and Music from Original Video

MacX Free MKV Video Converter allows you to build your own picture album and music collections by extracting PNG image and MP3 music from MKV videos. It also helps to convert MKV to MP4, AVI, MOV etc with SRT subtitles on Mac, and add .srt subtitles to MKV videos.

Make Photo Slideshow

This free MKV converter for Mac enables to create funny slideshow from your photos. You can convert your photos into slideshow in MKV, MOV, FLV, AVI, and other format, so as to upload your slideshow to YouTube or Facebook or enjoy it on your mobile device on the go.


Input Format Supported

Input Files

High Definition Video

AVCHD Video (*.mts, *.m2ts), H.264/MPEG-4 AVC (*.mp4), MPEG2 HD Video (*.mpg; *.mpeg), MPEG-4 TS HD Video (*.ts), MPEG-2 TS HD Video (*.ts), Quick Time HD Video (*.mov), WMV HD Video (*.wmv, *.xwmv), Blu-ray Video (*.mts, *.m2ts), HDTV Video (*.ts), Matroska Video (*.mkv)

Video Camcorder

JVC HD camcorder Video (*.mod, *.tod), Sony HD camcorder Video (*.mts, *.m2ts), Panasonic & Canon HD camcorder Video

Standard Definition Video

MPEG, WMV, FLV, F4V, H.264, DivX, XviD, MOV, RM, RMVB, VOB, ASF, 3G2, QT, DAT, MPEG, WMV, FLV, F4V, DivX, XviD, MOV, RM, RMVB, VOB, ASF, QT, DAT, Google TV, WebM, Vpx 8

Photo & Picture


Output Format Supported

Output Format



Mac OS X Tiger/Leopard/Snow Leopard/Mountain Lion/Mavericks/Yosemite/El Capitan/10.12 macOS Sierra


Customer Testimonials

Perfect free MKV video converter to convert MKV to MP4, AVI or any format. It lets me free convert MKV to iPhone MP4 format with original video and audio quality. so I can watch them when I am waiting for a bus.

- Comment by Christian

I have used this free MKV video converter for Mac and i am going to purchase its advanced edition MacX Video Converter Pro because it gives me no complications when converting among all popular video formats, while with super fast speed and high quality.

- Comment by Halton

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