Cryptomatte is an industry-standard open-source system developed by Psyop to automate the creation of ID mattes from 3D renders. It eliminates the manual effort of setting up hundreds of "Multi Mattes" by encoding object and material data into multichannel OpenEXR files. Cryptomatte for Nuke Versions
An advanced Nukepedia gizmo that combines Cryptomatte selections with 3D Position and Depth masking for surgical precision in complex renders. Installation Guide for Legacy Nuke (v8 - v12) cryptomatte nuke plugin download
If you are using an older version of Nuke, follow these steps to manually install the plugin: Foundry Communityhttps://community.foundry.com Plugin Installation - Cryptomattes - Foundry Community Installation Guide for Legacy Nuke (v8 - v12)
The official source for Legacy Nuke Cryptomatte (versions 8 through 12). It provides the original Python-based gizmos and required source files. es_easyCrypto Native Nuke Cryptomatte Included by default in Nuke
Depending on your version of Nuke, you may already have the plugin installed or need to download the legacy gizmo. Native Nuke Cryptomatte
Included by default in Nuke 13 and 14. It features native C++ performance, Python 3 support, and a dedicated UI for managing matte lists. No separate download is required. Psyop Cryptomatte GitHub