MP3 vs AAC

Compare MP3 and AAC formats to find the best option for your needs.

Convert to AACConvert to MP3
MP3

Audio

MPEG Audio Layer 3 - universal audio format

Advantages

  • Small file size
  • Universal support
  • Good quality
  • Streaming-ready

Disadvantages

  • Lossy compression
  • Lower quality than lossless
  • Patent issues (expired)

Best for

  • Music
  • Podcasts
  • Streaming
  • Mobile devices
Convert to AAC
AAC

Audio

Advanced Audio Coding format with high compression

Advantages

  • Excellent audio quality
  • Small file size
  • Wide device support

Disadvantages

  • Lossy compression
  • Limited editing options

Best for

  • Music streaming
  • Mobile devices
  • Podcasts
Convert to MP3

Side-by-side comparison

Side-by-side comparison
FeatureMP3AAC
CategoryAudioAudio
File sizeSmallSmall
CompatibilityOpens everywhereExcellent
QualityGoodLossy

Questions and answers

What is the difference between MP3 and AAC?
MP3: MPEG Audio Layer 3 - universal audio format. AAC: Advanced Audio Coding format with high compression.
Which format should I choose: MP3 or AAC?
It depends on the job. MP3 is the better pick for: Music, Podcasts, and Streaming. AAC is the better pick for: Music streaming, Mobile devices, and Podcasts.
Can I convert MP3 to AAC?
Yes. Open the MP3 to AAC converter, drop the file and download the result.
Is MP3 better than AAC?
Not in general. MP3 is stronger at: Music, Podcasts, and Streaming. AAC is stronger at: Music streaming, Mobile devices, and Podcasts.

Ready to convert?

MP3 → AACAAC → MP3

More comparisons