Convert MP3 to AAC

Drag and drop files here or click to select.
Max file size 100mb.
Uploading progress:

MP3 vs AAC Format Comparison

Aspect MP3 (Source Format) AAC (Target Format)
Format Overview
MP3
MPEG-1/2 Audio Layer III

MP3 is a widely adopted lossy audio compression format introduced in 1993, offering good quality at moderate bitrates and broad hardware support.

Lossy Legacy
AAC
Advanced Audio Coding

AAC is a modern lossy audio codec standardized in 1997, delivering improved compression efficiency and quality at similar bitrates compared to MP3.

Lossy Modern
Technical Specifications
Sample Rates: 32kHz, 44.1kHz, 48kHz
Bit Rate Modes: CBR, VBR
Bit Rates: 32–320 kbps
Channels: mono, stereo
Extensions: .mp3
Sample Rates: 8kHz – 96kHz
Bit Rate Modes: CBR, VBR
Bit Rates: 8–320 kbps
Channels: mono, stereo, multichannel
Extensions: .aac, .m4a
Advantages
  • Universal compatibility across devices and players
  • Fast encoding and decoding
  • Small file sizes at moderate quality
  • Better audio quality at lower bitrates
  • Widespread support in mobile and streaming platforms
  • Efficient multichannel support
Disadvantages
  • Less efficient compression compared to newer codecs
  • No standardized support for multichannel beyond stereo
  • Obsolete for high-resolution audio
  • Proprietary licensing may apply
  • Not as universally supported on very old hardware
  • Higher computational requirements for encoding
Compatibility
Excellent: Almost all devices and software

Good: Car stereos, embedded systems

Limited: Some professional audio tools
Excellent: Apple devices, modern smartphones

Good: VLC, Foobar2000, streaming services

Limited: Legacy players without AAC support
Common Uses
  • Digital music distribution
  • Podcasts and internet radio
  • Audio archiving
  • Streaming platforms (YouTube, Apple Music)
  • Mobile device playback
  • Broadcast and VoIP applications

Why Convert MP3 to AAC?

Converting MP3 to AAC increases audio quality efficiency at lower bitrates, enhances compatibility with modern streaming platforms and mobile devices, and supports multichannel audio for richer listening experiences.