File converter  /  Audio  /  Convert to MP3  /  AAC converter  /  MP3 to AAC

Convert MP3 to AAC

We offer a free online converter that can convert audio files from mp3 format to aac format, along with a range of other audio formats.

Converting your mp3 file to aac is easy with these steps.

Converting your aac file to mp3 is easy with these steps.

Icon of «Upload mp3-file»
Step 1

Upload mp3-file

You can select mp3 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 mp3 to aac

Fast and easy
Simply drag and drop your mp3 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 mp3 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 mp3 to aac conversions in the cloud, which means that none of your computer's resources will be used in the process.

MP3 Audio File

Extension.mp3
Category🔵 audio
Programs
🔵 Microsoft Windows Media Player
🔵 VLC media player
🔵 MPlayer
🔵 jetAudio
🔵 Zune
🔵 Audacity
🔵 Apple iTunes
🔵 Plex Media Center
🔵 Amarok
🔵 Xine
🔵 Totem
Description🔵

MP3 is one of the most popular coding formats for digital audio. For many music lovers, there is more to MP3 than just validating the sound of the songs they like.

Here are some of the characteristics and advantages of using MP3:

  1. MP3 files are compressed audio files, which mean that they can be easily distributed across different devices.
  2. Because of the smaller size of the files, there is little or no loss in sound quality.
Technical details🔵

How to create and how to open an MP3 file

Do you want to create a new MP3 file instead of downloading one from the Internet? Have you already created one, but you are not sure of how to access or open it?

Here are some tips to get you started.

How to Create an MP3 File

Creating an MP3 file is easy. You can use software or the tools available on your smartphone and computer.

The most popular way for creating an MP3 file is to use the built-in microphone on your computer. To locate the microphone, enter the search term “Sound Recorder” on your computer’s search bar. Record your message or voice note. After that, you can save it as a WAV file before looking for software online to convert it to an MP3 file.

Tools Used to Open an MP3 File

After converting the recording you made from a WAV file to an MP3 file, you can use your Windows Media Player to open it.

Alternatively, you can use many other tools and programs to open your MP3 file. Some of the popular ones are:

  1. 1. VLC Media Player
  2. 2. Winamp
  3. 3. GOM Media Player

Which other formats MP3 can be converted into and why

MP3 is not the only format for digital audio sounds. It will interest you to know that most music lovers prefer alternative digital sound formats to MP3 because the latter is roundly claimed to have a lower audio quality because of the decreased size of the audio file.

With that being said, here are some of the alternative formats that MP3 files can be converted to:

  1. 1. AAC
  2. 2. MPEG-H 3D Audio
  3. 3. WMA
  4. 4. WAV
  5. 5. OGG

AAC is the most popular digital audio format for MP3 files because it has a better sound quality than MP3. That is because it can conveniently handle sample frequency up to 48 channels.

You need to perform format conversion for MP3 so you can enjoy better studio quality that is better than the compressed audio quality that MP3 offers.

Developer🔵 Moving Picture Experts Group
MIME type
🔵 audio/mp3
🔵 audio/mpeg3
🔵 audio/mpg
🔵 audio/mpeg
🔵 audio/x-mpeg
🔵 audio/x-mpeg-3
🔵 audio/mp3
🔵 audio/x-mpegaudio
🔵 audio/x-mpg
🔵 audio/x-mp3

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 mp3 to aac?
To get started, either pick a file you want to convert from mp3 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 mp3 to aac?
Typically, image conversions only take a few seconds, so you can expect a speedy conversion when changing mp3 to aac.
🛡️ Can I trust OnlineConvertFree to convert mp3 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 mp3 to aac, are 100% safe on OnlineConvertFree.
📱 Is it possible to convert mp3 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 mp3 to aac, on your computer or mobile device, completely online.