Tag
“premultiplied alpha”
2 posts
- Technical Deep Dives··9 min read
The Difference Between Straight Alpha and Premultiplied Alpha (And Why It Matters)
A clear technical explanation of straight alpha vs premultiplied alpha — what each means, why premultiplied alpha causes the "black fringe" problem, and how to tell which one your tool produces.
- Technical Deep Dives··8 min read
Why Your Transparent PNG Shows Black in Photoshop (And How to Fix It)
The premultiplied alpha problem explained: why most free background removers produce PNGs that show black in Photoshop, and what to look for in a tool that gets it right.