Free AAC to MP3 Converter

Convert AAC audio files to MP3 format fast and for free.

How to convert AAC to MP3 online

  • 1To get started, select the .aac files you want to convert and add them to the converter.
  • 2Next, use the conversion settings and click the "Convert" button.
  • 3That's all! Now you can download the converted .mp3 files.
Free AAC to MP3 Converter

AAC
AAC (Advanced Audio Coding)

AAC is an audio coding format that uses lossy compression. As well as other lossy formats, AAC cuts off human-inaudible frequencies to reduce file size. It was developed by Apple as an alternative to other popular lossy formats and is used for streaming and storing music in iTunes. This codec is part of the MPEG-4 container. AAC demonstrates high efficiency at variable and constant bitrate.
File type: Audio
File extension: .aac
Developed by: Bell, Fraunhofer, Dolby, Sony, Nokia, LG Electronics, NEC, NTT Docomo, Panasonic
Initial release: 1997

MP3
MP3 (MPEG-1 Audio Layer III)

MP3 is a popular lossy audio format. This allows you to maintain acceptable sound quality with a small file size. For most users, this loss of sound quality is almost imperceptible, so the MP3 format quickly gained its popularity, allowing you to store more songs on compact digital devices such as smartphones and iPods. Its small size made it a perfect choice for sharing music online.
File type: Audio
File extension: .mp3
Developed by: Fraunhofer Society
Initial release: 1993

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