Advanced MP3 Converter supports fast MP3-to-WMA 9 (VBR) and OGG direct converting, and also supports MP3-to-MP3 resampling, with no temporary WAV files involved. It supports fast MP3-to-WAV converting with high quality. When converting it supports a normalization feature that makes it easy to burn a high quality audio CD. It also supports editing ID3 tags of Version 1.0 or Version 2.0, adds APE support.

Version 2.20 updates the skin and improves the audio decode function.