Have you ever edit your photos on your mac? Have you used the build-in app called Preview? This tool is great, it’s simple and very intuitive. You can select, delete, crop, add elements and much more.
Some of this functions might not be accessible from menu or icons and you have get intuitive to find it. One good example is rotating text.
For this you have to:
1. Add your text to your photo
2. Be sure you have your text selected and use 2 fingers on your trackpad to rotate the text (keep one finger fixed).