pitch change

Macintosh tool for testing pitch hearing differences between your ears

Easily edit your PDF file. Change or add text, images and more.

Add, remove, or change file name extension.

Utility to quickly change/restore system icons.

Losslessly change the frame rate of QuickTime movies.

HostsManager can easily change your host.

Allows you to open, examine, and change the contents of a file.

It can change the format of the screenshots (command/Shift/3 or 4).