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100% Free and HQ - Best H.264 to MP4 Converter Free Download Now

Though both H.264 and MP4 are popular formats, and sometimes, MP4 format is a popular choice for H.264 format, they are not the same. H.264 also appear in AVI, AVCHD, MKV, MOV etc. In some cases, you will need to enocde H.264 to MP4 format. For example, when the H.264 HD video comes in huge size and not suitable for your mobile storage. To that end, a MP4 free converter will easily convert h.264 to mp4 on Mac/PC freely, with smaller size and high quality.

Best H.264 to MP4 Converter Free Download

MacX Video Converter Free - 100% safe and free H264 to mp4 converter:

  1. Free transcode H.264 coded to mpeg4 MP4, 3GP, FLV, MOV, MKV and more;
  2. H.264 can be converted to MP4 with 98% quality reserved, 15x faster;
  3. Large-size HD 1080P/4K h264 (MKV/AVCHD) can be reduced by 40%-50%;
  4. 180+ video and 14+ audio formats supported.

What is H.264?

H.264 (MPEG-4 Part 10 or MPEG-4 AVC), is a popular compress/codec used for recording, compress and distribute high quality videos. As a part of MPEG-4, H.264 has more advanced compression methods than other basic MPEG-4 compression. It is widely used for online video streaming from Vimeo, iTunes, encoding and decoding HD DVDs/Blu-ray, BD players, HDTV, AVCHD recorders and more.

What is MP4?

MP4 (MPEG-4 Part 14) is a multimedia container format standard specified as a part of MPEG-4. It can contain multiple video and audio streams, subtitles, still images, and other data in one file. Same to H.264, MP4 is widely used over the internet, for iPhone, iPad, mobiles, TV and more. But MP4 is different to H.264 in aspects like file size, quality thus lead to the need to convert H.264 to MP4 on Mac/PC. You may wanna know: h264 vs h265, h264 vs mpeg4.

H.264 vs MP4

The main differences between H.264 and MP4 is as follows.

  1. H.264 is more efficient than MP4. H.264 is an extremely efficient compression which works with bossy lossy and lossless formats. It can delivery highly compressed Lowe resolution videos for web streaming, and also high definition videos at high bitrates for HD devices.
  2. H.264 has larger file size than MP4. H.264 is used for HD video compression and recorders, which can be large in size, like MKV, AVCHD, HD MOV in H.264 codec.
  3. H.264 has better quality. As H.264 also works with HD resolution, it can generate higher quality than MP4.
  4. H.264 takes more processing power. Especially the HD H.264 videos will require more power to decode or playback, which means that mobiles will run out of battery faster when playing H.264 than MP4.

If you want to keep the high quality of H.264 at small file size as MP4 format, you can convert H.264 to MP4 mpeg4 with a free video converter.

100% Free H.264 to MP4 Converter - With High Quality but Half File Size

A must-try free video converter - MacX Free Video Converter. It's totally free, safe and clean, yet professional in converting h.264 to MP4 with satisfactory results. This freeware will:

  • 200+ formats supported- freely convert H.264 to MP4 mpeg4, AVI, WMV, FLV, 3GP, MOV and other digital formats;
  • 50% free video compressor- compress large-size HD h.264 files (e.g. MKV, AVCHD) to MP4 in smaller size by cutting the unwanted parts, lower the resolution, adjust the video settings etc;
  • 15x faster - with multi-core CPU, the tool can flexibly use CPU (up to 8 cores) to deliver 15x faster conversion speed;
  • 98% quality- the high-quality engine and deinterlacing tech will reserve the highest quality after you convert h264 to mp4 on Mac/PC.

Get the freeware download for free, the conversion will be done in seconds!

Guide on How to Convert H.264 to MP4 on Mac/PC

Free download the MacX Video Converter freeware on Mac or PC:
Mac version or Windows version

Step 1: Import H.264 Video
Launch the converter and click button with a plus mark to add the video. Or you can simply drag and drop your H.264 videos (multiple videos supported) to the interface.

H264 to mp4 converter free download
H264 to mp4 converter free download

Step 2: Select Output Format
To decode H.264 to MPEG4 MP4, select MP4 format from the Mac General Video category, or under the Apple Devices etc as it is the default format of most devices.
You can also freely convert among different formats, like 3gp to mp4, mpeg to mp4, H.265 to MP4, iPhone, iPad, Android, Facebook and more.

Step 3: Adjust the Settings (Optional)
You can further edit the video if necessary. It has options for you to trim, crop, add watermark, compress video file size, lower video resolution, add subtitles to output videos etc.

convert h264 to mp4 on mac/pc
convert h264 to mp4 on mac/pc

Step 4: Decode H.264 to MPEG4 MP4
Click Browse to select an output folder on the computer to save the converted mp4 video. Then click Run and the freeware will start to convert h264 to mp4 on Mac/PC. The conversion will be done with fast speed, and even faster on an high-configuration computer.