MacX Video Converter Pro

World's No.1 Fast
Best Video Converter for Mac Now Reaches 10X Faster Conversion than Before

Auto Copy Mode

Intel QSV Support

10X Faster

410+ Profiles

HEVC Codec

4K UHD Support

MacX Video Converter Pro is a richly featured video converter, downloader, editor, recorder and slideshow maker, dedicated to converting a laundry list of video formats such as MP4, H.264, HEVC, MOV, MKV, MTS, AVCHD, etc at the shortest time, with no quality loss. You can use the preprogrammed optimization profiles, upward of 410, to convert videos fast for whatever device you own: smart phones, tablets, gaming systems, set-top boxes, TVs, and more. Now convert a hour-long video in as short as 1 minute.

Version: 6.2.0    File Size:31.4M    Released on: 2017-11-13

Many users weigh in with speed as the primary concern when converting a video. MacX Video Converter Pro knows how crucial the time to complete the video converting task is. The latest version ushers in the cutting-edge technologies, including the revolutionary Auto Copy mode, world-leading Intel QSV hardware encoding, breathtaking Multi-Core CPU and Hyper-Threading technologies, making the video conversion job done at the shortest time, without sacrificing any image quality.

MacX Video Converter Pro - World's Fastest Ever

MacX now stands up to rigorous testing and proves to be the no.1 fast video converter for MP4, MOV, H.264, HEVC (H.264), MPEG4, MKV, AVI, WMV, M2TS, etc. Equipped with an approachable UI and 410+ preset profiles, the video converter fast loads your 4K/HD/SD videos spanning years of downloads, rips, and saved copies and tailors your conversion to all kinds of devices, including Apple iPhone iPad, Apple TV, Android Samsung, Microsoft phone, PSP, etc at lighting fast speed, greatly saving your precious time. In the tests below, the result proves MacX Video Converter Pro works faster than other video converters on the market.

MacX Video converter Pro VS Competitors
Transcode a MKV (H.264+ac-3, 1920x1080, 02:07:22) to MP4
MacX Video Converter Pro Speed Test
Why MacX Is Marked as the Fastest Video Converter?

MacX Video Converter Pro unremittingly focuses on speed enhancement as a user demand response. It utilizes Auto Copy mode to dramatically accelerate the video converting speed, supports the newest Intel QSV hardware acceleration in video decoding and encoding to improve the performance, makes full use of multiple CPU cores (Up to 8) and applies the cutting-edge Hyper-threading technology to ensure a much faster video converting speed than ever before.

1. Auto Copy Mode: Conversion Speed Reaches 10X Faster

There are many free video converters claiming to be the fastest on the market, but speed and quality lead a cat-and-dog life as a result. Excellent output quality is bound to lengthy video converting. Faster video conversion is achieved at the expense of poorer image quality. Time for changing the deep-rooted concept. MacX Video Converter Pro V6.2.0 successfully leverages the leading-edge Auto Copy technology to fast convert video format from one to another in merely seconds only without re-encoding, leaving the video quality unaffected.

Similar to the lossless video processing - remuxing, the Auto Copy mode is a technology allowing you to repackage the existing video and audio streams from one container and wrap them into a new container, e.g. AVI to MP4, MKV to MOV, etc. It is amazingly faster than normal video conversion because it saves you from video decoding and re-encoding and doesn't in any way give impact on the video content, thus the quality of the video remains exactly the same as in the original one. It is as fast as copy and paste - 10X faster than normal conversion. (see the test below)

Auto Copy Mode vs Normal Conversion
10X faster with Auto Copy Mode
MacX Video Converter Pro Speed Test - Auto Copy

Prerequisites to Enable the Auto Copy Mode:
1. Make sure the resolution of the source video is not higher than the device resolution. Or else, the video converter won't enable the Auto Copy mode.
2. Please don't change the codecs, resolution, bitrate, frame rate or other video/audio parameters.
3. Please don't do any edition of the source video such as add external subtitle, rotate video, watermark the video, etc.
4. The Auto Copy mode is applicable for almost all video conversion tasks, on condition you won't change the codec H.264. You can check out the supported video and mobile lists below.

Supported Input Formats:

MP4, M4V, MOV, MKV, AVI, MPG, M2TS, MTS, TS, FLV, etc with H.264 codec.

Supported Output Format:


Supported devices:

iPhone X/8/7/6S/6 (Plus), iPhone SE/5S/5/4S/4, iPod Touch 4, iPad 3, iPad 2, Apple TV 4K, Apple TV 4/3/2, iTunes, iMovie, iDVD, Final Cut Pro, PS4, PS3, Android, Samsung Galaxy (S8/Note 8), Galaxy Nexus, HTC, Huawei Mate (10), Nokia Lumia, Xbox One, Zune

2. Hardware Acceleration - Leave Competitors in the Dust

MacX Video Converter Pro delivers a significant performance gain on computer with Sandy Bridge, Ivy Bridge, Haswell, Broadwell, Skylake and Kaby Lake of Intel® Core™ i3, i5, and i7 processors. It utilizes the Intel Quick Sync Video technology to decode and encode video dramatically faster.

Intel QSV Hardware Acceleration tech is one of the major achievements of MacXDVD. It prides itself on being so fast to convert videos that other converters lags behind greatly. You will be pleased to know that the video conversion task performs exactly as advertised and the converting speed doesn't come at the expense of quality, too. Learn more about the Intel QSV-enabled video conversion.

A slight word of warning: The video converting software is capable of H264 video encoding only. But the much-expected HEVC hardware encoding is soon to come. Besides, the hardware acceleration tech is realized in the in-demand MacX DVD Ripper Pro, too. To see more speed performance details, please visit the Intel QSV-enabled DVD Ripper performance.

3. Multi-core CPU and HT: Do More & Wait Less

On top of the Auto Copy and hardware acceleration technology, MacX Video Converter Pro also makes full use of your high-end computer configuration, multi-core CPU and hyper-threading technology to let you do more tasks simultaneously while wait less. You're suggested to stay here to learn how it works with your multiple CPU cores and HT technology to speed up video conversion if you're not much familiar with them. Or you just skip to the next part, which explains how to use this fastest video converter to auto copy H264 files on macOS at world's No.1 fast speed.

Multi-core CPU

A multi-core CPU processor means a single computing component with more than 1 separate actual processing core to read and execute program instructions. Compared with single-core CPU, multi-core CPU processor can assign multiple program instructions to several cores to execute commands at the same time, exceedingly improving processing speed. If you own a 5K iMac armed with 4-core Intel Core i7, this super fast video converter can auto distribute video conversion task to 4 cores (8 at maximum) for simultaneous processing when you use it to convert MKV to MP4, helping you wait less. You can also manually adjust CPU cores usage from 4 to 2 if you need to download MP4 movies at the same time.


Intel® Hyper-Threading Technology (HT) uses processor resources more efficiently, enabling multiple threads to run on each core (from Intel official website). In case your computer is Intel Core i7 with 4 CPU cores and 8 threads, this means your video conversion task can be simultaneously processing up to 8 threads, 2 threads per core if you make use of this HT supported video converter to convert videos to iPhone Android. It's just like the expressway with 8 lanes for more cars to move instead of just one. So what kind of video converter runs even faster, hyper-threading supported or unsupported? You surely know the answer.

Batch Conversion

Batch conversion, just as its name supplies, is designed to help you convert plenty of videos at one stroke. You're only demanded to choose the output format, adjust video parameters (optional) and edit video (if you need) for the first input video. From the second video, you don't need to do the repetitive steps any more if you have the same requirements on all these videos. They just keep the identical output format and video settings. Thus, you can save a large amount of time. Further, if you wanna split the whole NBA match video into 4 sections, you can import the same video 4 times and trim each video to 12 minutes. Then, you will get the separate NBA quarters for fragmented watching.

4. Tutorial: How to Convert Video on macOS at Fastest Speed

Intel Quick Sync Video hardware acceleration tech, alongside with multi-core CPU and hyper-threading tech has already improved video conversion speed up to incomparable 16X faster. Yet, progress can't be stopped. You deserve an even faster and better video conversion experience. That's why "Auto Copy" feature comes into being, letting you directly copy H264 file data without video decoding and encoding, e.g., copy MKV (H264) to MP4 (H264). Fastest in speed and best in quality. Well, wonder how fast it will be? Follow the below step-by-step guide and give this fastest video converter a trial run of your own.

Step 1: Launch High Speed Video Converter
Fire up this top fast video converter on your MacBook Pro/Air, iMac, iMac Pro or Mac Mini after you free download the mac video converter.

Step 2: Import Your Video File
Click "Add Videos" button to load the video files you wanna convert. With 320+ video and 50+ audio codecs supported, this super fast video converter accepts whatever you feed it, H264, HEVC (H265), H263, MP4, XviD, DviX, VP8, VP9, MPEG-4, WMV2, etc. Yet, currently only H264 encoded files are available for "Auto Copy" feature. So you need to check your input video info at the main interface if you're not sure what codec your video uses.

Step 3: Choose Output Video Format
Select the output video format on the pop-up window. Opt for "iPhone X", "iPad Pro" or "Samsung Galaxy Note 8" from the 350+ Mobile Video Profile if you are the one who prefers mobile device to computer/TV for video viewing. You can also choose 4K MP4, 2K MP4 from "General Profile", MP4 (H264), MP4 (HEVC), MOV, M4V from "Mac General Video" profile or AVC video, MKV, AVI, 3GP, FLV from "PC General Video" profile for video uploading.

Afterwards, shift your attention to "Auto Copy", which will automatically be ticked if your input and output files are equally H264 codec and well-matched in parameter settings. What's plus, you might notice the Intel/AMD/Nvidia of hardware encoder is auto selected to further speed up your video conversion if your computer supports hardware acceleration. Well, where is multi-core CPU use? No rush. Tap "Options" icon at the main menu bar and find out "CPU Core Use", where you can see this fastest video converter chooses your PC's maximum CPU cores as default. Of course, you can freely adjust the CPU core use grounded on your specific cases.

If you want to convert a batch of videos to the same video codec and format, you can continue importing them, one at a time. Then you will find all the latter loaded videos keep the same video codec and formats as the first video, no need to manually re-select output formats one by one.

Note: if you need to manually edit video (trim, crop, add subtitles/watermark, merge videos) or adjust video parameters (resolution, frame rate, aspect ratio, bit rate, audio channel, etc.), the "Auto Copy" feature on this fastest video converter will auto undo to let you freely customize your video to the way you like. Of course, the video conversion speed will be affected to certain extent.

Step 4: Start to Convert Video
Hit "RUN" button and its high speed video conversion engine will go into action. A video conversion window will pop up to show you the copy processing, the FPS, time remaining, etc.

After the high speed video conversion is finished, you can directly import the output video to QuickTime, iTunes, iMovie or Final Cut Pro in .mp4 or .mov file extension. Given that you hanker for transferring video to iPhone X, iPhone 8 Plus/8/7/6s or iPad Pro, the top iTunes alternative - MacX MediaTrans is worth your consideration, enabling you to bulk transfer MP4, MOV or M4V videos to iPhone iPad without any iTunes error.

5. FAQ about Video Codec & Re-encoding

How to find out what codec is being used in a video
Solution 1: open this video using VLC media player > click "Tools" at the top toolbar > tap "Codec Information" > your video codec info is listed on the pop-up window, along with other video information like video resolution, frame rate, decoded format, audio sample rate, etc.
Solution 2: free download MediaInfo on your MacBook/iMac or Windows PC. Afterwards, right clik your video file > choose "MediaInfo" > video codec is displayed.

what does Remux mean
Remuxing is a lossless process that simply takes the video and audio streams from one container and puts them into a new container, same to "Auto Copy" from MacX Video Converter Pro. And it keeps the same quality while reduces files to smaller, for it puts the video and audio streams, subtitles, etc. from one container to another container but removes the unnecessary extras during the process. So if you wanna convert MKV to iPhone (H264) with original quality and smaller size, Remux is a great option.

Remux vs Encodes
Remux: as the above explaination says, remux is a quality lossless process, which only changes the file extension, no changes on video/audio codecs. The remux process would be 10X faster than encode process, technically and the output file size will be smaller than the orignal one.
Encode: encode is a lossy process that will change both video and audio codecs during the video conversion. So, the output file quality will be damaged or improved to some degree. Of course, the file size will become larger or smaller depends on the output codec you choose.

How to convert FLVs to MP4 fast without re-encoding
As mentioned before, to convert video without re-encoding, "remux" is the very way you need. Download this fastest video converter and activate its "Auto Copy" mode to copy video/aduio codecs from FLV to MP4 container without re-encoding. This will dramatically accelerate FLV to MP4 conversion speed up to 10X faster than ever before. The precondition is that both input and output file is encoded by H264 codec. So far, it's hard to find out the video converter with codec copy feature. You can google to have a try and let us know if you have new discovery.

Advice on acheiving the fastest mkv conversion
For long-length MKV video conversion, such as 60m or 90m MKV video, follow the below steps to quicken up conversion speed:
1. Cut off the unwanted video clips from MKV to shorten video length. Thus, the MKV conversion will quicken up.
2. Video conversion speed keeps a negative relationship with quality. So to make MKV conversion faster, lower your MKV video quality, like turn down resolution from 4K to 1080p, change frame rate from 60fps to 30fps, etc.
3. Resort to best video converter with Intel QSV hardware acceleration, multi-core CPU and hyper-threading tech supported.

For shorter MKV video conversion, e.g., 5m or 20m MKV video, "remux" is enough:
Download the super fast video converter that supports to directly copy video/audio codec from MKV container to another new container like MP4, MOV, AVC without codec conversion.
Note: You'd better make sure your MKV file is encoded by H264 before you go. Or, the world's No.1 fast video converter needs to re-encode MKV, as well.

MP4 to MOV - can you convert without losing quality
The answer is Yes. And the secret weapon is the best video converter from MacXDVD. Among its fabulous features, one called "Auto Copy" is exactly the one you need. The "Auto Copy" mode enables you to copy video, audio streams and subtitles from MP4 container to MOV container without changing codecs. It's just similar to DVD backup mode. So if you own an MP4 video file encoded by H264, use this top video converter to convert MP4 to MOV with untouched quality.

how do I tell which video codec is the best to compress and reduce file size
There isn't a way to determine the best video codec for video compression. It depends on your specific situation. If you concern file size most and video compatibility doesn't matter a lot, then HEVC/H265 is the best video codec for you to compress MP4, MKV, MOV, etc. Providing you need to keep a good balance among video file size, quality and compatibility, then H264 is your primary choice.

How to Re-encode audio to AC3 but keep video the same in MKV file
You're suggested to try this No.1 fast video converter with 180+ video and 14+ audio formats supported to let you re-encode audio to from DTS to AC3 while keeping video the same in MKV format. Thus, you can play your MKV files on your smart TV via USB port without audio format issue. It also gives you the power to re-encode audio to MP3, iPhone ringtone, FLAC, WMA, etc. if you need.

How to copy codec ( video and audio ) from 'mp4' container to 'avc' container
You need a remuxer. The remuxer from MacXDVD has this ability to help you copy video and audio codecs from MP4 container to AVC container via its advanced "Auto Copy" feature as long as your MP4 video file is encoded by H264 codec. Or, you can try FFMPEG to do this task if MP4 is encoded by other codecs.

MacX Video Converter Pro - Faster than Ever Before!

No.1 fast video converter supports you to copy video/audio codec from one contanier to a new container with "Auto Copy" mode, 10X faster than re-encoding and zero quality damaged. What's more, it also takes full advantage of Intel QSV, multi-core CPU and hyper-threading technology to help you convert MP4, MOV, H264, H265, MKV, AVI, etc. at full speed.

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