Why are PNG-8 files mangled when opened in Photoshop?
- by Daniel Beardsley
Why are some 32 bit PNGs opened in Photoshop with Indexed Colors and no transparency?
For instance, I grabbed a png icon file of the Stack Overflow logo at: http://blog.stackoverflow.com/wp-content/uploads/icon-so.png When opening it in Photoshop CS3, it apparently treats it as indexed color and gets rid of the alpha channel. The image on the…