

Solution 1: Free Web-based Application – Apowersoft Free Online Audio Converter If you’re wondering about which tools are best to use to convert MP3 file to AAC, check out the following top online applications. It’s a more widely preferred format today and, in fact, it’s the default audio format for YouTube, Apple Devices, iTunes, PlayStation 3, DivX Plus Web Player, and Nintendo 3DS. Generally, AAC attains better sound quality at similar bit rates.

Additionally, it’s much better in terms of low bit-rate compression which is essential in audio books. Compared to the MP3 format, AAC can handle lower and higher sound frequency. AAC, which stands for Advanced Audio Coding, refers to a standardized, lossy compression technique for compressing digital audio files.
