How to Feather on Photoshop
If you’re too lazy to feather manually (and who isn’t?), use the Select and Mask workspace. It’s like the autopilot of feathering. You’ll find a slider called “Feather” right there. Drag it slowly, and watch your jagged edges melt into butter.
A friend of mine once spent three hours manually blurring edges with a soft brush. When I told him about this feature, he actually cried a little. Don’t be that friend.
The Real-World Test
After you feather and paste your subject, look at the edges. Do they blend into the new background? Or does it look like they’re floating inside a puffy cotton ball? If it’s the latter, you’ve overdone it.
Feathering in Photoshop: Seamless Transitions
A perfect feather is invisible. It’s like a good waiter—you only notice it when it’s missing. The goal is for someone to look at your edit and think, “Huh, that’s a nice photo,” not, “Wow, that’s some serious Photoshop work.”