Mac’s screenshot abilities are pretty solid, but they could always be better. Third-party screenshot applications offer a lot of extra features.
Check out these Mac Menu Bar Screen Capturing Apps:
LensOCR
Menu Snappr
Menu Snappr is a screen capture utility that is closely modeled after such classic macOS apps like InstantShot.
Tape
TextSniper
TextSniper allows you to quickly convert uncopiable or unselectable text from any content visible on your mac’s screen into editable text copied to your clipboard.
Use it to capture and recognize text from presentations, trainings, screencasts, images, pictures, webpages, video tutorials, photos, PDFs etc.