by Blace Plugins·VFX
Images © Blace Plugins. Used for product review; image policy.
CorridorKey stands out in the aescripts library for its official cooperation with Corridor Digital and its completely C++ based build aimed at stability.
CorridorKey is a green screen keying plugin for After Effects and Premiere Pro, developed in official cooperation with Corridor Digital and powered by blace.ai. It creates high-quality keys, with an AI model that repairs the transparent pixels to give compositing-ready results.
The plugin ships with several custom-trained AI models and is completely C++ based for maximum stability, with rendering times reported at two to four times faster. You can also use After Effects' internal Advanced Spill Suppressor alongside it to remove bleeding colors.
Performance is best on an NVIDIA / Windows machine with Mercury GPU Acceleration (CUDA) enabled, and AMD GPUs are supported for hardware acceleration too. Disabling Composition > Preview > Cache Frames When Idle keeps the plugin most responsive. It supports After Effects and Premiere Pro across the 2024, 2025, and 2026 versions.
CorridorKey by blace.ai is best for artists pulling green screen keys and preparing compositing-ready footage in After Effects and Premiere Pro.
CorridorKey by blace.ai is completely free to download and use.
CorridorKey supports After Effects 2026, 2025, and 2024, so the 2024 release is covered. On the Premiere Pro side it works with the 2026, 2025, and 2024 versions as well. For the best experience, run it on an NVIDIA / Windows machine with Mercury GPU Acceleration (CUDA) enabled. Disabling Composition > Preview > Cache Frames When Idle is also recommended for the most responsive behavior while keying.
CorridorKey performs best on an NVIDIA / Windows machine with Mercury GPU Acceleration (CUDA) enabled, which is where you will see the strongest performance. AMD GPUs are also enabled for hardware acceleration, so they are supported too. The plugin is completely C++ based for maximum stability, with rendering times reported at two to four times faster. For the most responsive workflow, disable Composition > Preview > Cache Frames When Idle.
CorridorKey ships with several custom-trained AI models. Recent updates introduced the BlaceKey 1.0 model, which handles both blue- and greenscreens, restores details, and renders faster, followed by BlaceKey 1.1 and 1.2 trained on bigger datasets and a BlaceKey 1.3 model. Additional auto matting models were added for hint generation. The AI model repairs the transparent pixels to give compositing-ready results, and you can use After Effects' internal Advanced Spill Suppressor to remove bleeding colors.
CorridorKey is listed as free here. It is offered in official cooperation with Corridor Digital and powered by blace.ai. For current licensing terms and any conditions attached to using the plugin, check the developer's page, since those details can change over time. Once installed, it works across After Effects and Premiere Pro in the 2024, 2025, and 2026 versions for green screen keying.
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