SaveMyMatte is a Blender addon that automatically separates the Cryptomatte passes you pick and saves them after rendering.
Update:
1. savemymatte_2.0.0 for Blender 5.0

Say goodbye to manual node setups or ID selections — this addon handles everything for you. Once rendering is complete, your selected Cryptomatte passes are saved neatly and ready for post-processing.
🔹 Key Features:
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Separates object or material mattes from your picked Cryptomatte passes
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Automatically saves Cryptomatte passes after rendering
Perfect for VFX artists and compositors looking to speed up their matte workflow.
Speed up your masking process and make your compositing cleaner and more efficient with SaveMyMatte.
Addon created with Serpens.