Convert psd to bb4 Online: psd2bb4
You can use Tom's Editor to easily convert images from
.PSD to Mode 4 .BB4.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
PSD is in internal image format of Adobe Photoshop. It can store all the features offered by Photoshop, like layers and paths. Images can be compressed or not.
Mode 4 is an image format with extension BB4.