File converter  /  Audio  /  Video  /  Convert to MP4  /  AAC converter  /  MP4 to AAC

Convert MP4 to AAC

With our free online converter, you can convert mp4 files to aac as well as a variety of other formats.

Converting your mp4 file to aac is easy with these steps.

Converting your aac file to mp4 is easy with these steps.

Icon of «Upload mp4-file»
Step 1

Upload mp4-file

You can select mp4 file you want to convert from your computer, Google Drive, Dropbox or simply drag and drop it onto the page.
Icon of «Select «to aac»»
Step 2

Select «to aac»

Choose aac or any of the other 200+ supported formats you'd like to convert to.
Icon of «Download your aac file»
Step 3

Download your aac file

Please wait for the conversion to complete, then click on the download button to obtain your converted file in the aac format.

Converting mp4 to aac

Fast and easy
Simply drag and drop your mp4 files onto the webpage, and you'll be able to convert them to aac or over 250 different file formats, all without having to register, provide an email address, or include a watermark.
You don't need to worry about security.
As soon as you upload your mp4 files, we instantly delete them. Converted files are then deleted after 24 hours. Furthermore, we ensure that all file transfers are secure through advanced SSL encryption.
Everything is stored in the cloud.
You don't have to go through the hassle of installing any software. We handle all mp4 to aac conversions in the cloud, which means that none of your computer's resources will be used in the process.

MPEG-4 Video File

Extension.mp4
Category🔵 video
Programs
🔵 Microsoft Windows Media Player
🔵 VLC media player
🔵 MPlayer
🔵 Eltima Elmedia Player
🔵 Winamp
🔵 Apple QuickTime Player
🔵 Apple iTunes
Description🔵

MP4 is one of the popular digital multimedia formats. The original name is MPEG-4 Part 14. It is one of the most versatile digital multimedia formats because it can play both video and audio files.

Besides, you can use MP4 file formats for many other purposes, such as streaming over the Internet and storing still images.

The characteristics of MP4 files include but are not limited to:

  1. MP4 file formats are mostly preferred by users because of the versatile use that includes playing audio and video files.
  2. You can use MP4 to stream or watch live events over the Internet.
  3. MP4 file stores multiple data types, such as audio, video, scene descriptors, and object descriptors.
Technical details🔵

How to create and how to open an MP4 file

You can create an MP4 file by recording video with your device or by using certain software.

You can also use various converters to convert videos to MP4 file formats.

How to Open an MP4 File

Almost all the video players open an MP4 file because MP4 is a standardized digital file format.

You can open an MP4 file in several ways, such as using either the Windows Media PlayerorVLC Media Player.

Some of the others that can open the MP4 file are QuickTime (for macOS), MPlayer, VLC Media Player, and X Codec Pack.

Which other formats MP4 can be converted into and why

MP4 is widely used as a video file format because of the efficient video compression scheme that prevents data loss when converting.

Besides, you can use a lot of tools to seamlessly convert your MP4 file to another file format. Some of the popular video formats are:

  1. 1. m4w
  2. 2. mkw
  3. 3. mov
  4. 4. avi
  5. 5. flv

MP4 is supported by almost any device that is able to play video. However sometimes a user might need to convert it to another format. MKV is well known for being able to store a huge amount of information like dozens of audio streams and subtitles. WMV format provides better compression than MP4 does.

Developer🔵 Moving Picture Experts Group
MIME type
🔵 audio/mp4
🔵 video/mp4

Advanced Audio Coding

Extension.aac
Category🔵 audio
Programs
🔵 Microsoft Windows Media Player
🔵 VLC media player
🔵 MPlayer
🔵 Foobar2000
🔵 Winamp
🔵 Apple iTunes
🔵 Audacity
Description🔵

A proprietary format with lossy compression, which have been created as an alternative for MP3 with a higher quality of coding. Overtones out of human perception are being removed. AAC is two times less than MP3, which means 1/10 of CD digital data.

The format has been widely used since 1997 as the seventh release of the MPEG-2 family. As hardware players supply it, the format is highly demanded by music fans. It has been widely spread in Apple production and is being used by default in iTunes.

Technical details🔵

The format conception is similar to MP3, but it is more advanced. Being able to execute larger compression, it is represented as a separate segment of MPEG-4 standard used to create compact audio files. AAC is highly efficient with variable and continuous bitrate, with a sampling frequency of 8-96 kHz.

The current version complies with the standard of ISO/IEC 14496-3. Compression is performed based on an auditory masking effect that provides data reduction with no deterioration for sound quality.

Developer🔵 Bell Labs, Dolby Laboratories, Sony, Nokia, Coding Technologies
MIME type
🔵 audio/aac
🔵 audio/aacp
🔵 audio/3gpp
🔵 audio/3gpp2
🔵 audio/mp4
🔵 audio/mp4a-latm
🔵 audio/mpeg4-generic
🔵 audio/x-aac
🔵 audio/x-m4a
🔵 audio/x-m4p
🔵 audio/x-m4b
🔵 audio/mp4a
🔵 audio/mpga

FAQ

❓ How do I change mp4 to aac?
To get started, either pick a file you want to convert from mp4 and select it or drag and drop it into the conversion tool. Next, select the desired format that you wish to convert your file to. Once you have selected the format, click the "convert" button and wait for the tool to finish converting your file.
⏳ What is the estimated time it will take to convert mp4 to aac?
Typically, image conversions only take a few seconds, so you can expect a speedy conversion when changing mp4 to aac.
🛡️ Can I trust OnlineConvertFree to convert mp4 to aac securely?
Absolutely! We take your security seriously, and guarantee the protection of your uploaded and converted files. No one will have access to your information since we delete all files once the conversion process is complete. You can trust that all types of conversions, including mp4 to aac, are 100% safe on OnlineConvertFree.
📱 Is it possible to convert mp4 to aac without having to install any software?
Yes, that's right! OnlineConvertFree doesn't require any installation, which means that you can convert any files, including mp4 to aac, on your computer or mobile device, completely online.