You can use this online audio cutter program to cut MP3 file, cut WAV file, cut OGG file, cut AAC file or cut M4A file etc.2. Set audio start position and duration. The format is: hh:mm:ss[.xxx]. For example: 00:10:24.About:An audio file format is a file format for storing digital audio data on a computer system. The bit layout of the audio data is called the audio coding format and can be uncompressed, or compressed to reduce the file size, often using lossy compression. The data can be a raw bitstream in an audio coding format, but it is usually embedded in a container format or an audio data format with defined storage layer.Short mp3 files.3. Click "Submit" button to start processing. It directly cuts the audio part you selected without decoding, encoding or converting, so it works very fast. The output files will be listed in the "Output Results" section. Click icon to show file QR code or save file to online storage services such as Google Drive or Dropbox.1. Click "Choose File" button to select a file on your computer. You can also click the dropdown button to choose online file from URL, Google Drive or Dropbox. The audio format can be WAV, WMA, MP3, OGG, AAC, AU, FLAC, M4A, MKA, AIFF, OPUS or RA. Audio file size can be up to 200M.