What is the difference between .psb and .png8?
- Extension
 - .psb
 - .png8
 
- Format
 - Binary
 - Binary
 
- Category
 - Raster Image
 - Raster Image
 
- Developer
 - Adobe Systems
 - PNG Working Group
 
- Description
 - Format used for saving large Photoshop documents over 30,000 by 30,000 pixels in size; supports images up to 300,000 by 300,000 pixels; to enable .psb support, check the "Enable Large Document Format" within the File Handling pane of the Photoshop Preferences window
 - A PNG file is an image file stored in the Portable Network Graphic (PNG) format. It contains a bitmap of indexed colors and uses lossless compression, similar to a .GIF file but without copyright limitations. PNG files are commonly used to store graphics for web images.
 
- MIME Type
 - image/vnd.adobe.photoshop
 - image/png
 
- Sample
 - sample.psb
 - sample.png8
 
- Wikipedia
 - .psb on Wikipedia
 - .png8 on Wikipedia