The reasons someone would want to split audio files can vary. It can range from entertainment and work to advertising, among others. AD MP3 Cutter is a tiny application designed for cutting audio files, specifically in MP3 format. It provides several methods for splitting, including a visual option supported by a waveform display.

MP3 Splitter & Joiner Pro allows you to split and join MP3 audio files quickly and easily. Whether you want to break up a long audio file into multiple segments or combine several smaller files into one, this program has got you covered.

mpTrim (formerly called mp3Trim) is a compact and convenient MP3 audio file cleaning up, trimming, amplifying and fading-in/fading-out tool from Germany. We can use it to reduce the file size of MP3 music without quality loss; to remove unwanted noises or mute sounds from MP3 file; to adjust the sound volume of MP3; to cut your favorite MP3 and use the clips as your personalized ringtone; and to make a music clip with a fade/fade effect for later merging with other music clips or showing as a demo, etc.

mp3DirectCut (with the same author of 1by1) is a freeware audio editing applet that can be used to cut extensive music files without quality losses and split, developed by Martin Pesch from Germany. It graphically shows clearly the wave form of MP3 file, which allows you to quickly and accurately get the break point to cut.