When comparing Quixel Mixer vs Substance Bitmap2Material, the Slant community recommends Substance Bitmap2Material for most people. In the question“What are the best programs for making height maps, normal maps, and/or other maps?” Substance Bitmap2Material is ranked 4th while Quixel Mixer is ranked 9th. The most important reason people chose Substance Bitmap2Material is:
B2M generates any output that you may need from a single image automatically (base color, normal, metallic, roughness, ambient occlusion).
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Pros
Pro Free
Its freaking free.
Pro Generates several outputs from a single image
B2M generates any output that you may need from a single image automatically (base color, normal, metallic, roughness, ambient occlusion).
Cons
Con Seems to still be in beta
Many features missing, like layer deletion.
Con Free version is technically non-commercial only
But, uh, "exporting" is as easy as opening up the file locations.
Con Comes at a price
Sets you back over 100 dollars.
Con Not a complete tool
B2M will only allow you to create a normal map from an existing image. You cannot create a custom texture from scratch with it.