Youtube Converter Mp4 Mac Free

  1. Smart Converter only converts the parts of your movie that need it and leaves the rest alone. This makes Smart Converter faster that every other converter while maintaining the highest possible quality video an audio in the converted movie. Try Now Smart Converter is FREE, so try it today and see how much better video conversions can be.
  2. Save any video from YouTube, Vimeo, Facebook and more with Softorino YouTube Converter 2. Convert YouTube to MP3/MP4 and move it to your iPhone with ease.
  3. You will convert YouTube to MP3, MP4 or other formats without losing any detail. With its wide range of device profiles and presets you can finish your conversion with just one click. For the benefit of doubt this YouTube Converter is compatible with Compatible with iPhone, iPad, Apple TV,HTC, LG, Samsung, PSP, Xbox, Samsung, Gear VR, HTC Vive.
  4. Convert MP4 free on mac 4. Don't be surprised if someone tells you VLC player is a great free MP4 converter for Mac. VLC media player might be most known as a free video player for Mac, but seldom knows its another secret identity - free video converter for Mac. It can free fast convert video to MP4 as well as webm, ts, ogg, wmv.

Convert to MP3

Download Free MP4 Converter for macOS 10.7 or later and enjoy it on your Mac. ‎Free MP4 Converter is professional MP4 Video Converting software, which helps you convert any video format to and from MP4 video for playback on iPhone (iPhone X/8/7/SE/6s/6s Plus/6/6 Plus/5s/5c/5/4S), iPad (iPad Pro/Air 2/mini 3/4/Air/mini 2), iPod, and Apple TV.

Lots of video files are stored in MP4 format attributing to:

  • Contain video with rich visual elements: graphics, text, and animation layers...
  • Transmit on a narrower bandwidth, not requiring that high on media bandwidth and Internet connection situation.
  • Being highly compatible with various programs and devices.

But you may sometimes just want to focus all your time on the audios of these MP4 video resources? Then how? Convert MP4 to MP3 on Mac, of course, do this in a way keeping the original file quality. You will be offered 5 ways to complete the mission.

  • >> Convert MP4 to MP3 Mac with Best Quality
  • >> Convert MP4 to MP3 Mac with iTunes
  • >> Perform the Conversion Using VLC
  • >> online, free MP4 to MP3 Converter Mac

Convert MP4 to MP3 Mac with Best Quality

To preserve the original quality of the MP4 resource, you may have to harness the power of a professional tool, let’s say, a Video Converter for Mac.

Cisdem Video Converter for Mac is an ideal assistant to convert MP4 to MP3 on Mac, with original audio, video quality retained. Besides MP4 to MP3, this tool can also allow users to perform the conversion between different media file formats and handle 4K videos with optimized GPU acceleration.

Vital features of Cisdem MP4 to MP3 converter Mac:

  • Clear interface, only taking seconds to master
  • Convert 1080P/2K/4K videos to any format
  • Support roughly 200+ device optimization profiles
  • Adjust the output MP3 audio quality, codec, sample rate, bitrate, etc.
  • Customize videos with the built-in filters and effects
  • Batch convert all videos in no more than 5 minutes
  • Download videos/songs from all the popular websites
  • Rip commercial or homemade DVDs to videos for backing up

Install and run Cisdem Video Converter, it will take you to the convert tab by default.

Add MP4 files into the interface by drag and drop. You can add single or multiple files for bulk conversion.

Click on the format icon on the right, the output library will pop up. Choose General Audio menu > MP3 Audio. Alternatively, select format from “Convert all tasks to” on the bottom.

There is a gear icon for opening the “Advanced Settings” dialog. You can adjust your MP3 audio parameters there.

tips: You can also edit the video (apply the effect, add watermark, subtitles, etc.) before export MP4 in AVI or any other formats your device supports.

Click the button to convert MP4 to MP3 on Mac. The conversion process will be very fast. Find the MP3 file in the output folder and play it- the audio file should be as clear as the original.

Convert MP4 to MP3 Mac with iTunes (Built-in Software)

Also, if you are a Mac user, you can absolutely make full use of mac tools, iTunes. Let’s go directly to this MP4 to MP3 trick.

  1. Change the extension of the MP4 file to .m4a.

M4A means MPEG 4 audio, a file name extension to represent audio files, also the Apple lossless audio coding format developed by Apple Inc, which is obviously supported by iTunes and deemed as the most iTunes-friendly audio format.

tips: You are not recommended to change the file extension of your MP4 video directly into MP3, as many Mac users encountered when importing MP3, iTunes may not report back that the MP3 file is already imported in iTunes Library or may not play.

  1. Import M4A file into iTunes by drag and drop
  2. Convert MP4 to MP3 in iTunes

Go to File>Convert>Create MP3 Version

Make sure you have adjusted the importing setting as following: iTunes Preferences> General>Select MP3 Encoder to create an MP3 file from MP4 video.

Then the MP3 file is created in your iTunes, and you can export it as you like.

Can QuickTime Player convert MP4 files to MP3?

Sorry, the answer is no. On the old version like OS X Mountain Lion, you can go to “File -> Export ...” to find the “Audio Only” option, but the output format can only be an M4A audio file. Let alone on the new version like Catalina or Big Sur, there are no output format options. You can merely choose to convert MP4 files to 4K, 1080P, 720P, or 480P.

Convert MP4 to MP3 Mac via VLC (Open Source Software)

VLC is a pinup media player capable of playing almost all file formats on Mac and Windows. You might not know that it supports the conversion function as well, but only in very few output formats, like MP3, OGG, WebM, FLAC, etc. Despite of the plain, sleek interface and gun-gray icon, it still owns multifarious customization options and tweaking the toolbar, helping you to convert MP4 to MP3 on Mac in VLC.

  1. Click “File” on the top toolbar, from the drop-down box, choose the 'Convert/Stream' option.
  2. Click on “Open media” > browse an MP4 file from location > Click “Open” button. Or you can drop MP4 media to the fixed area straight.
  3. Choose “Audio-MP3” as an output profile. Around it is a customize button, you can it to tweak the audio codec.
  4. Click the “Save as File” button > Click on the “Brower’ button, and finally save your file as xxx.mp3.

Can Handbrake convert audio files?

Handbrake is a cross-platform, GPL-licensed, and free transcoder for digital video. It provides advanced users with numerous parameter settings to alter the video quality, file size, and adjust frame rate accordingly. But unluckily, Handbrake doesn’t allow audio-only conversions. You have no chance to extract audio from video, rip DVD audio, or convert MP4 to MP3 on Mac.

online, free MP4 to MP3 Converter Mac

Of course, if you don’t need to convert MP4 to MP3 very often, you can use the online, free MP4 to MP3 Converter. We pick 2 user-friendly converters for your choice: Zamzar.com and OnlineVideoConverter.com.

#1. Zamzar

Zamzar is a multi-purpose file conversion site that supports a significant number of formats. Apart from converting media files, it also allows you to convert files between documents, images, e-Books, CAD, and archived files.

  1. Go to Zamzar website
  2. Follow the steps to start the conversion
  1. Once the MP3 file is available, click the download link sent to your email box and download it.

#2. Online Video Converter

As its name suggests, OnlineVideoConverter is a free online media converter that offers an excellent selection of conversion formats (7 video formats, 7 audio formats). There are three function-options, respectively are Convert a video link, Convert a video file, and Record a video.

  1. Enter the URL or drop the native MP4 video that you desire to convert.
  2. Select MP3 from audio formats.
  3. Click on “Start” to convert MP4 to MP3 Mac online.

The defects of 99% online video converters:

  • No batch processing option
  • Lack of editing features
  • Limited upload size
  • Inundated with ads
  • Not secure enough, might give away your privacy
  • The Internet connection is pre-requisite

Conclusion

Many users may first turn to the free solutions when running into such an MP4 to MP3 issue on Mac, but if you are looking for a high-quality conversion, I do recommend the Cisdem MP4 to MP3 Converter for Mac, it saves time and efforts without sacrificing the file quality.

We'll review 9 MP4 video converters for Mac, including MacX Video Converter, HandBrake, Any Video Converter, VLC, ClipConverter, FFmpeg...

For most Mac users, you may have encountered such headache situations: QuickTime player can't play MKV files; MacBook Pro with Retina display not support MOV files, etc. In such situations, convert these videos to MP4 format could be the best choice, as MP4 is the widely used file format supported by almost all devices and media players. Here in this review, we will share you 9 professional yet reliable MP4 converters. Also, offering you a comprehensive and rigorous assessment so that you can choose the one that suits you most.

Table of Contents

Part 1: Top 9 Free MP4 Converter Software

If you can't make decision after only one free MP4 converter Mac, carve out some time to check the following roundup of top 9 Mac free MP4 video converters, along with a detailed comparison, from which you can figure out their similarities and differences and more importantly find your favorite Mac free video converter for MP4.

1. MacX Video Converter

MacX Video Converter Free can be the #1 MP4 converter in our test. And below are it's outstanding features:

  1. Free convert any video to MP4 including SD MOV, AVI, FLV, WMV, HD MKV, AVCHD, MTS, Ultra HD 4K 8K video and convert MP4 to MP3, WMV, WebM, DVD, etc.
  2. High Quality Engine and De-interlacing tech to let you free convert videos on Mac with 98% quality reserved, no interlaced picture or disordered audio.
  3. User-friendly interface allows you (no matter what skill level) to easily convert MKV to MP4, QT MOV to MP4, MP4 to MP3, etc. with aplomb, no half crash case.
  4. Multi-core CPU (up to 8) utility and hyper-threading tech make full use of CPU cores to equal assign MP4 video conversion task to 8 cores, big relief for CPU.
  5. With 350+ preset profiles, you can free convert videot o iPhone 11/Pro/Max/Xs/XR/X/8/7/Plus, iPad iPod, iTunes, iMovie, Final Cut Pro, Apple TV, Android, etc. for limitless enjoyment.
  6. As for the damaged/unplayable video files, you utilize the video editing feature to repair damaged MP4 file, cut the unplayable parts off video, remove ads from video, adjust video parameters to make video fitting in various players, devices and more.

How to Free Convert Video to MP4 on Mac [Tutorial]

Now, Free download MacX Video Converter on your Mac firstly, and then follow the detailed steps below to convert videos to MP4 on your Mac easily:

Step 1. Launch MacX Video Converter and click 'Add File' button to load the video files.

Step 2. Choose 'to MP4' as output video format.

Step 3. Press the 'RUN' button to start converting video to MP4 files on your Mac free.

Youtube Converter Mp4 Mac Free Online

Youtube Converter Mp4 Mac Free

2. Handbrake

When it comes to free MP4 converter for Mac search, what will appear on your radar? I bet the world-renowned Handbrake is the most frequently-heard answer. Yes, how could we miss the all-round video converter for MP4? Its simplicity, fast speed and versatility help it win a place in this top free MP4 converter for Mac review. It enables you to free yet fast convert video to MP4 as well as MKV on Mac OS X with numerous parameter settings for you to adjust and customize your output MP4 video.

If you are disposed to know how to use Handbrake to convert video to MP4 free on Mac, you're encouraged to visit the cover-all handbrake tutorial to get everything about Handbrake. And here we won't give any encumbrance to burden you.

Handbrake errors listed on forums:

  1. Handbrake converts MKV to MP4 on Mac but crashes halfway.
  2. The output file after SWF to MP4 conversion is very bad, fuzzy in image.
  3. Can't figure out why the video is gone, only audio left after Handbrake converts WMV to MP4.
  4. DXVA activated, handbrake won't progress the encode.
  5. Spend several hours to rotate a video in Handbrake 1.0.3, but no luck.
  6. Handbrake produces output MP4 file but not complete, only 1/3 of the original file.
  7. Why the resulting file video audio out of sync? Can Handbrake fix this out?
  8. Anyone knows how to add subtitles to MP4 in Handbrake. I just find nowhere.

3. Any Video Converter

There's no gainsaying that Any Video Converter is powerful enough to handle almost any video file on Mac, whether to free convert AVI to MP4, MKV to MP4, M2TS to MP4 or convert MP4 to AVI WMV MP3, etc. You can free use it to convert any video to 13 video and 15 audio formats, along with 70 profiles for Apple Android game consoles. What this free MP4 converter Mac is special to users is that it can also allow you to free download video from YouTube, Facebook, Vimeo, etc. hot websites. In short, you have nothing to complain about this software.

AVC Problems During MP4 Conversion:

  1. Problem in converting video to MP4 for iPhone 6s Plus: the picture size of the mp4 files all wrong;
    tried 1920x1080 and specified 16:9 instead of Auto, but still stretched.
  2. Unable to convert video to HD MKV AVCHD MTS TS formats. That's a pity.
  3. The audio track does not sync with moving video pictures perfectly.

4. VLC Player

Don't be surprised if someone tells you VLC player is a great free MP4 converter for Mac. VLC media player might be most known as a free video player for Mac, but seldom knows its another secret identity - free video converter for Mac. It can free fast convert video to MP4 as well as webm, ts, ogg, wmv. But if you plan to use VLC to free convert MP4 to MOV, MP4 to DVD, MP4 to AVI. You need to look somewhere else.

How to freely convert MP4 videos with VLC:

Step 1. Open Video File. Import video you wanna convert from 'Open File' under 'Media' category after free downloading and running this free MP4 converter on Mac.

Step 2: Choose Convert As shown on the below picture, select 'Convert/Save..' from Media and then again choose 'Convert'.

Step 3: Opt for Output Format as MP4Select 'H.264+MP3 (MP4)' as output video format. Here provides even more video formats for you to choose like WebM, TS, OGG, ASF, etc.

Step 4: Start to Free Convert Video to MP4 Now. After the destination folder selection via 'Browse' button, you can finally go to the last step: hit on 'Start' button to utilize this MP4 converter Mac freeware to convert video to MP4. And when the video to MP4 conversion is completed, you feel free to playback MP4 video using VLC media player.

General errors using VLC to convert MP4 video from forum:

  1. No Audio after Video Conversion: use VLC to convert video to MP4 on Mac; the pictures in most cases are great, but mp4 video no sound.
  2. Resort to my friends or google on Internet but no solutions work. I just wanna convert MP4 to MP3,
    but after I change bit rate, frame rate or something, it can't save output file as mp3, only ts, wmv, etc.
  3. It's seemingly weird. No reaction when i use VLC to convert some MP4 files.
  4. VLC won't play MP4 files after video codecs change.

5. Clipconverter

Good news for those who don't wanna download and install MP4 video converter Mac software on Mac. So you can just free convert MP4 video online on Clipconverter. It may not be the one supporting most files, but the most convenient solution. This top free MP4 video converter Mac service allows you to free convert SWF to MP4, FLV to MP4, H265 to H264 mp4, MKV to MP4, Instagram video to MP4, etc. That's not the whole story. It also provides you with another 14 video, 8 audio and 1 image formats as output formats. Thus, you can even convert MP4 to MP3, OGG, GIF, WMV, etc.

Steps to free convert video to MP4 online:

Step 1: Click 'Upload and Convert file' button.

Step 2: Hit 'Select Files' to load input video files.

Step 3: Select output format as mp4 and then click 'Start Conversion' button.

6. FFmpeg

FFmpeg is a well-designed yet useful free MP4 converter for Mac users that performs MP4 video conversion just as it says on official website: cross-platform, free convert and stream video audio. It has a long list of compatible formats (time-consuming to count the number) for converting MP4 to MKV AVI WMV Webm, MP3 OGG, etc. But one feature it misses is to convert video to MP4. Plus, it lacks some extra features that you might look for, like compress lage-size MP4 video, add Special Effects to video, download online video, remove video watermark, etc.

Pros:

  1. Cross-platform, Mac/PC/Linux all supported.
  2. Support hundreds of formats as output formats.
  3. Also record and stream video/audio.

Cons:

  1. Can't convert MP4 to other formats on Mac.
  2. No video editing features, online video downloading ability, etc.

7. Wondershare Video Converter Free

The aforementioned free MP4 converter Mac software are not perfect. And this one from Wondershare is of no exception. This software is specialized in free converting MP4 video to iOS devices including iPhone (iPhone 11/Pro/Max/XS/XR/X/8/7), iPad (iPad Pro/mini/Air), Apple TV on Mac OS X 10.6 - 10.15. What's else, it also works well as a YouTube downloader to free download YouTube video. But if you wanna use it as a MP4 editor to merge, rotate, add subtitles, clip, or trim MP4 files, you just need to pay. After all, you get what you paid for.

Advantages:

  1. Free convert video to Apple device on Mac.
  2. Free download YouTube video on Mac.

Disadvantages:

Youtube To Mp4 Converter Mac Free

  1. Not offer video to video, video to audio conversion features.
  2. Video editing features and parameters adjustment are not available.

8. Tipard Free Any MP4 Converter

As the name suggests, this is a free MP4 converter compatible with macOS. This free version program enables you to free convert YouTube video to MP4, torrent movie to MP4, FLV to MP4, MP4 to VOB, etc. with 120+ input formats and 100+ output formats supported. Another big bonus feature is that it even lets you free edit MP4 including add Effects, preview MP4, crop, trim MP4, etc.

Pros:

  1. A wide selection of input and output formats.
  2. Free edit video with common editing features.

Cons:

  1. Need to upgrade to Pro version to convert MP4 to 4K UHD video.
  2. No user guide or tech supports for free MP4 converter Mac version.

9. Aiseesoft MP4 Converter for Mac

If you just need the basic feature to convert video to MP4 free on Mac, then Aiseesoft MP4 Converter for Mac can satisfy your meets. This software is simple for you to free convert MKV to MP4, VHS to MP4, QuickTime mov to MP4, AVI to MP4, mpg to MP4 as well as convert video to AVI, WMV, MOV, 4 output formats in total. If you wanna extract audio from MP4, convert MP4 file or edit MP4 on Mac, sorry to inform you that this free MP4 converter Mac app is powerless to render you help. You need to upgrade to advanced version or just rely on the above stronger converters.

Disadvantages:

  1. Not convert MP4 files on Mac.
  2. Unable to convert video to HD MKV AVCHD MTS or UHD 4K 8K video; only 4 output formats.

Part 2: Comparison of Top 9 Mac Free MP4 Converter Software

Youtube Converter Mp4 Mac Free Download

To reduce your workload of reading, here adopts a much more intuitive method to horizontally compare the top 9 Mac free MP4 converters and list on the table (omit the boring yet burdensome words). The specific comparison is made up with 5 sections: basic information, input formats, output formats, customization and performance comparison. Now let's start with basic info comparison.

1. Basic Information:

Converter

Ease of Use

License

Batch Conversion

Compatibility

Download Online Video

Help & Tech Support

MacX Video Converter Free Edition

90%

Free

Yes

Mac OS X 10.5-10.12

X

Handbrake

88%

Free

No

Mac OS X 10.7 to 10.12

X

X

Any Video Converter

90%

Free

Yes

Mac OS X 10.7 or higher

VLC Player

90%

Free

Yes

Mac OS X 10.6 or later

X

X

Clipconverter

92%

Free

Yes

Any Mac

X

FFmpeg

80%

Free

Yes

macOS
(no specific version listed on official website)

X

X

Wondershare Video Converter Free

85%

Free

No

Mac OS X 10.6-10.10

Only YouTube

X

Tipard Free Any MP4 Converter

90%

Free

No

macOS
(No specific version found online)

X

X

Aiseesoft Free MP4 Converter for Mac

90%

Free

No

Mac OS X 10.5 or later

X

X

2. Input Formats Supported:

Converter

Standard Video

HD Video

UHD Video (4K, 5K, 8K)

Online Video

Audio

MacX Video Converter Free Edition

Yes

Yes

Yes

No

No

Handbrake

Yes

Yes

Yes

No

No

Any Video Converter

Yes

Yes

Yes

Yes

No

VLC Player

Yes

Yes

Yes

No

Yes

Clipconverter

Yes

Yes

Yes

Yes

Yes

FFmpeg

Yes

Yes

Yes

No

No

Wondershare Video Converter Free

Yes

Yes

No

No

No

Tipard Free Any MP4 Converter

Limited
120+

No

No

No

No

Aiseesoft Free MP4 Converter for Mac

Limited
MP4 not supported

Yes

No

No

No

3. Output Formats Supported:

Converter

Standard Video

HD Video

DVD
(NTSC, PAL)

Audio

Image

Mobile Device

MacX Video Converter Free Edition

Yes (180+)

Yes

Yes

Yes (14+)

Yes

Yes (350+)

Handbrake

Yes (MP4 only)

Yes (MKV Only)

No

No

No

Yes

Any Video Converter

Yes (13)

No

No

Yes (15)

Yes

Yes (70)

VLC Player

Yes (6)

Yes (6)

No

Yes (4)

No

Yes (5)

Clipconverter

Yes (4)

Yes (MKV Only)

No

Yes (3)

No

No

FFmpeg

Yes (MP4 not included)

Yes

No

Yes

No

No

Wondershare Video Converter Free

No

No

No

No

No

Yes

Tipard Free Any MP4 Converter

Yes (100+)

No

No

Limited

No

No

Aiseesoft Free MP4 Converter for Mac

Only 4 (MP4, AVI, WMV, MOV)

No

No

No

No

No

4. Customization:

Converter

Adjust Parameter Settings

Trim

Merge

Crop

Rotate

Add Effects

Add/Remove Subtitles

Add Watermarks

Ajust Conversion Quality

MacX Video Converter Free Edition

Yes

Yes

Yes

Yes

Yes

No

Yes

Yes

Yes

Handbrake

Yes

No

No

No

No

No

No

No

No

Any Video Converter

Yes

No

No

Yes

No

Yes

No

Yes

No

VLC Player

Yes

No

No

No

No

No

No

No

No

Clipconverter

No

No

No

No

No

No

No

No

No

FFmpeg

Yes

No

No

No

No

No

No

No

No

Wondershare Video Converter Free

No

No

No

No

No

No

No

No

No

Tipard Free Any MP4 Converter

No

Yes

No

Yes

No

Yes

No

Yes

No

Aiseesoft Free MP4 Converter for Mac

Yes

No

No

No

No

No

No

No

No

Youtube Converter Mp4 Mac Free Downloads

5. Test Comparison:

Convert MKV 4K to MP4 1080p

MacX

Handbrake

AVC

VLC

Clipconverter

FFmpeg

Wondershare

Tipard

Aiseesoft

Input video info

4K MKV (AVC); 04:29, 497MB, 4320x2160

Output video info

Video format

MP4 (H264) 1920X1080

Size

79.1MB

74.2MB

51.9MB

88.9MB

112MB

83.3 MB

90.1MB

164MB

69MB

Video quality

Excellent

High

Lossy

High

Excellent

High

High

Excellent

Lossy

Conversion speed

2min54s

3min57s

4min10s

5min11s

6m34s

3min08s

2m43s

3min27s

2min38s

Convert MP4 720p to MOV 720p

MacX

Handbrake

AVC

VLC

Clipconverter

FFmpeg

Wondershare

Tipard

Aiseesoft

Input video info

MP4 (AVC); 77.6 MB; 04:28; 1280x720; 23 frame rate

Input audio info

Bit rate: 162 kbps; channels: 2; audio sample rate: 44 KHz

Output video info

Video format

MOV (H264) 1280X720

Size

94 MB

/
MOV not supported as output format

56.1MB

73MB

72.5MB

66.2 MB

77MB

103.5MB

57.2MB

Video quality

Excellent

/

Clear

High

High

Good

High

Excellent

Clear

Conversion speed

01:15.32

/

01:06.47

02:28.65

04:34.00

02:15.89

1:44

03:02.71

1:55.84

Bonus. Common Errors in MP4 Video Conversion

Honestly, I'm strongly shocked by the errors of video to MP4 conversion when I find hundreds of threads posted by users in forums including macrumors, videohelp, mac-forums, etc. Most of users choose Handbrake or Any Video Converter Free to free convert videos from MKV to MP4, AVI to MP4, MPEG to MP4, MP4 to DVD, and more, either on MacBook or iMac. However, different hardware configurations and input formats end up with the same result: failure, even when you choose the same output format MP4. Hard to imagine there are so many issues in video to MP4 conversion process. Here gathers the most common errors in video conversion to MP4. Check if they are familiar to you.

Youtube Converter To Mp4 For Mac Free

  1. Some free MP4 video converter for Mac programs would apply watermark to output MP4 files and even make the video bad quality when converted.
  2. DakotaPaul says he's using Handbrake to convert MKV to MP4, but Handbrake stops encoding halfway; only 40-min video being converted.
  3. When it comes to convert WMV to MP4 on Mac free with Handbrake, users encounter the problem of 'Handbrake gets all videos stripped, only audio left'.
  4. Any Video Converter Free generates an intact MP4 files, with subtitles missing in the middle of video.
  5. Feedback from tkmops indicates that there is a black rectangle super areas imposed over the bottom right corner of MP4 files after using Handbrake to convert.
  6. A user named javilionaire complains on the forums.macrumors that MP4Box converts 720p MKV to 720p MP4 with endless 'demux', 'remux' such stuff.
  7. Other issues cover video audio out of sync after AVI to MP4 conversion, the picture is interlaced after converting AVCHD to MP4, picture size of MP4 all wrong, etc.
  8. When it comes to convert MP4 to MP3 with VLC player, users change the bitrate or the sampling frequency and can't save file into mp3, but only into .raw, .ps, .ts.

Youtube Converter Mp4 Mac Free Full

Certainly, until now, you might be more interested in the reasons why these errors would happen rather than these phenomena. The reasons are complex. Perhaps it's the video file itself to be blame or the outside elements like free MP4 video converter Mac software, hardware configurations, improper operation, the plugin interference, etc. to shoulder the responsibility. So, if you encounter such errors next time, you can try to think the potential reasons from these sides and then figure out the solutions first by yourself. We can't render you a lot help in every side, but what we can provide you are some useful suggestions on free MP4 converter for Mac for your reference, which at least can help you solve certain video to MP4 and MP4 to video/audio conversion errors, if not all.