1st Mp3 Wav Converter - Version 2.6 1st Mp3 Wav Converter is an ideal all-in-one tool: it converts Mp3 files to Wav files and vice versa; and it is a cool Mp3 player and Wave player. It converts Mp3 files to Wav files in batch, enabling you to burn them to CD; it converts Wav files to Mp3 files so that your favorite Wav files become much smaller mp3 files. 1st Mp3 Wav Converter works smoothly on all Windows platforms. Fast, easy to use, it produces wonderful sound quality and saves Play&Convert List automatically.