eSan MP3 Builder is an easy-to-use tool that helps you create MP3 files. The application can copy music tracks from audio CDs or WAV files and save them as MP3 files. It also can automatically correct jitters. Its key features include the ability to convert from CD to MP3 and from WAV to MP3. It also can build in batches, has an easy-to-use user interface, and it supports different bit rates. Version 2.0 may include unspecified updates, enhancements, or bug fixes.