Custom Scale Editor is a full-featured tuning editor for Mac OSX and Windows which allows you to tune any MIDI key to any pitch using ratios, Hz values, decimals, constants and functions, code snippets, user definable algorithms, and more. Import Scala and .tun files, tune quick temperaments in a snap, quickly edit and and export tunings in a variety of popular tuning formats. A Live Input feature also allows you to retune output from sequencers and notation programs, as well as retune hardware and software synthesizers in real time.
If you have an older license for CSE (purchased before April 2015), you need to login and update the old license before installing.
CSE is updated in response to feedback from its users. To file bug reports and feature requests, you must first open a user account and purchase a license. Once registered, you can participate and see the CSE development process in action on the CSE Reports Page.
Custom Scale Editor — Version 2.9.93 · August 4, 2017