ForceNoCrunchCompression = 3

You can set EditorUserBuildSettings.overrideTextureCompression to ForceNoCrunchCompression to import all textures with Crunch compression disabled. This is the same as if all the textures had their Crunch compression option disabled in their per-platform import settings.

This setting is mostly useful for local development as Crunch compressing textures can take a long time, disabling it can speed up texture importing or a platform switch process significantly.

Note: ForceFastCompressor also disables Crunch compression.

Additional Resources: EditorUserBuildSettings.overrideTextureCompression, Texture Importer, command line arguments.