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How to Convert ISO to MP4 without CPU Overheating Issue

By Bella Brown to rip DVD, ISO image|Last updated on Jan.22, 2020

ISO, short for International Organization for Standardization, is a sector-by-sector copy of the data on an optical disc. An ISO image contains all contents of the disc, such as menu navigation, the main movie, every single track and information about the structure of the disc. Such kind of file makes up for the flaw in DVD that is vulnerable to scratch and can be easily transferred over the internet.

The regrettable things are that ISO images are stored in an uncompressed format (usually 4-8GB) and so far there is no mobile device supports directly playback of ISO image. So if you want to make it portable and play ISO image on iPhone, iPad, HTC, Samsung, or some other devices unrestrictedly, you will accordingly first convert and compress ISO image to MP4, a widely compatible format with a good balance between video quality and file size.

To Play ISO Content on Mobile Device, You Need:

MacX DVD Ripper Pro - your silver bullet to rip MP4 video file from ISO image (UDF & ISO9660) on macOS (Big Sur incl.) with 98% quality reserved (advanced High Quality Engine & constantly optimized conversion algorithm) and incomparably fast speed (powerful GPU hardware acceleration tech). No matter your ISO image from homemade disc or commercial DVD, it can accept whatever you feed it without "the disc image file has been corrupted" error (caused by DVD DRM protections).

You might have been troubled by "DVD ripping pushes CPU 95% high usage" and "CPU temperature over 70C" issues. Now with GPU hardware acceleration techs Intel/Nvidia/AMD built into this DVD ripper, it can decode ISO image and encode to MP4 format mainly on GPU processor rather than CPU, which will dramatically relieve computing burden for CPU, at least 50% off, no CPU overheating trouble at all. More importantly, it improves ripping speed 5X faster than any rival.

How to Convert and Compress ISO to MP4 on Mac OS with Smoothness

Step 1: Load DVD ISO
Download and run this DVD to MP4 converter on Mac computer, click "DVD ISO" to import it on your Mac computer. Note: If you are PC user running on Windows 7/8 or even Windows 10, you can also free download its windows version for your media file conversion needs on your Windows 10/8/7.

Note: unlike the open source DVD ripper Handbrake, this one is initially designed to serve those who need the professional DVD service - handle all types of DVDs (DVD discs, DVD Folder, ISO image) with whatever DVD DRM protection techs. So, it's a no brainer for it to select the right title from 99-title Disney DVD, bad sector Sony DVD, workout DVD, Japanese AV DVD, etc.

Convert ISO to MP4 on Mac

Step 2: MP4 Is Your Target
Simply go "General Profiles" > "MP4 Video (H264)" as output format and hit the "Done" button. Alternatively, you can access to "Mac General Video" > "MP4 Video (HEVC)", which is almost the same in quality while 50% smaller in size than MP4 H264 codec. Better still, Mobile Video Profile is available with all the latest devices included, iPhone Xs/X/8/7/Plus, Galaxy S9, etc.

Step 3: Check Your GPU Acceleration
Target on "Hardware Encoder" at the lower right corner of the home screen, which will be auto selected if your computer supports GPU HW acceleration. If not, you'd better resort to a high-end desktop if CPU high usage and overheating problems do trouble you.

Step 4: Start to Rip ISO to MP4 on Mac.
Hit the "RUN" button to begin to convert ISO to MP4 on Mac after you opt for the destination folder for output file storage.

ISO to MP4 converter

If you still think the output MP4 file size is a little bit larger beyond your need, you are allowed to apply this ISO compressor to adjust your MP4 file size, with parameter settings avaliable for you. You can adjust resolution (640*480 recommended) and lower the bit rate 20-50% compared with its default one.

Convert ISO Image to MP4 Free on Mac with VLC

It's true that VLC can support you to freely rip an MP4 file from ISO image. And you can't blame it if it doesn't live up to your anticipation, for it's just freeware and the developer team members are not so enough as the paid products to constantly update the program to satisfy your every need. So in short, VLC is great in case you just need it to handle the unprotected ISO image conversion without any dent in your wallet.

Personally, I adore VLC media player a lot as it covers multiple features into one: video playback, video conversion, video editing and ISO image conversion. Yet, advanced GPU hardware acceleration tech is absent from this excellent toolbox. It only supports the basic "Video Decode Acceleration Framework", which actually has few influence on ISO image transcoding speed. I use VLC to convert THOR.iso (7.5GB) file and choose MP4 (H264) as output format. Have to admit that it's quite easy to conduct the conversion:

Step 1: tap "Media" from the top menu

Step 2: select "Convert/Save...."

Step 3: click "Add" to import iso file

Step 4: tap "Convert/save..."

Step 5: select output format MP4

Step 6: browse to choose the destination folder for output MP4 file

Step 7: last hit on "Start".

VLC free convert iso image

The operating process is simple while the conversion is running at snail's pace. As the right picture shows, VLC divides ISO image into several clips, 40 seconds for each. It consumes 2 hours 11 minutes and 52.25 seconds to finish only 2/5 conversion. Honestly, it kills my patience.

What drives you crazy is that it pushes my CPU usage up to 97% and CPU temperature up to 83C. At last, I give up this project, cuz it seemingly takes forever to finish this task. Now, you might know how significant GPU HW acceleration means to your DVD conversion and video transcoding.

The hardware configuration info of my test computer: 27" iMac (Yosemite) with 2.7 GHz Intel Core i5, 8GB1333 MHZDDR3 and AMD Radeon HD 6770M 512 MB.

Note: The MacXDVD software calls for copying or ripping DVD under the concept of Fair Use and does not encourage any illegal reproduction or distribution of copyrighted content. Please abide by the local DVD copyright law before doing it.

Still have any problem on how to convert ISO image to MP4 video format, just email us >>
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