When you start up Pavtube ChewTune, the main interface pops up as below:
Use any of the three ways below to load files to the software:
A. Click “File” menu, and select “Add Video” to import source video and audio files.
B. Find “Add” icon in the toolbar and click it to import the files to the file list.
C. Open the folder that contains source files, and drag and drop video and audio files to “Getting Started” area.
Pavtube ChewTune import purchased video of these formats: *.mp4, *.wmv, *.m4v, *.asf, and *.mov.
Pavtube ChewTune import audio of these formats: *.wma, *.mp3, *.m4a,*.m4p, *.mp2, *.mpa, *.ra, *.ram, *.aac, *.wav, *.au, *.mp3, *.mp2, *.flac, *.ape, *.ogg, *.8svx, *.aiff, *.aif, *.caf, *.dts, *.smv, *.tta, *.voc.
NOTE: Unpaid videos ARE NOT acceptable for Pavtube ChewTune. To convert these videos you could have a try with Pavtube Video Converter.