With the popularization and maturity of smartphone camera technology, the video file has more and more formats and sizes. Especially for short video shooters, there are two main problems they have to face: 1) the file format does not meet the requirements of the video platform and needs to be converted to upload; 2) the file size exceeds the limit and cannot be uploaded to the video platform.

Moo0 Mp3 Converter (formerly called Moo0 Audio Converter, Moo0 Audio Type Converter) is a very practical audio format conversion and extraction tool, supports the conversion between various audio formats (including 3GP, AAC, AC3, AIFF, AMR, AU, FLAC, M4A, MOV, MP3, MP4, RA, RM, WAV, WMA, PCM, and so on). Better yet, it's completely free and pretty easy to use.