Buy Quicktime Pro ◉

Most of the functionality originally found in QuickTime Pro is now available for free in other applications:

A popular cross-platform alternative that handles almost any file format and offers advanced playback and conversion tools. buy quicktime pro

The version included with macOS now natively supports many "Pro" features, including basic video trimming, splitting, and screen recording . Most of the functionality originally found in QuickTime

Are you trying to perform a (like converting a file or recording your screen) that you used to do with QuickTime Pro? QuickTime Pro 7 - Technical Specifications - Apple Support including basic video trimming