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EZ-CorridorKey
What it is
EZ-CorridorKey is a free desktop interface for CorridorKey, an AI chroma keyer that separates foreground from background. It works with green and blue screens and detects which color was used. GVM and BiRefNet generate alpha automatically, while MatAnyone2 and VideoMaMa offer paint-and-track control. A dual viewer can show source footage and alpha or composite views, with an A/B wipe, pan and zoom, channel switching, and live despill, refine, and despeckle controls. A queue processes clips in sequence and includes progress updates, sound cues, recent projects, and session saving. Export formats include EXR and PNG sequences, ProRes 4444, and VP9 with alpha, preserving bit depth. Footage and project files stay on the user's machine, with no accounts, telemetry, or cloud processing; the app does check GitHub for updates at launch. It supports Windows, macOS, and Linux, with Docker instructions for Linux servers or remote GPUs. Apple Silicon Macs from M1 onward are supported, though alpha generators run slower on Mac. The app is free under CC BY-NC-SA 4.0; donations are optional.
For and against
For
- Supports green and blue screen keying.
- Exports EXR, PNG sequences, ProRes 4444, and VP9 with alpha.
- Footage and project files remain on local disk.
- Runs on Windows, macOS, and Linux.
- Free under CC BY-NC-SA 4.0.
Against
- Alpha generators run slower on Mac.
- The app checks GitHub for updates on launch.
- The license is CC BY-NC-SA 4.0.
The verdict
EZ-CorridorKey combines screen keying, alpha-generation options, preview controls, and batch processing in a free desktop app. Mac users should note that its alpha generators run more slowly there.
Who it suits
EZ-CorridorKey suits video editors who need chroma keying and alpha generation on a desktop. It is also relevant to users who want local footage processing and support for Linux, macOS, and Windows.
Plans and prices
Free
Full desktop app · donations welcome
Read 3 Oct 2026 · ezcorridorkey.com
On the record
- Alpha generators
- It includes GVM and BiRefNet for automatic alpha generation, plus MatAnyone2 and VideoMaMa for paint-and-track control.ezcorridorkey.com · read 3 Oct 2026
- Batch processing
- A job queue processes clips back to back and includes live progress, sound cues, recent projects, and session saving.ezcorridorkey.com · read 3 Oct 2026
- Data and network
- The privacy policy says footage and project files stay on local disk, while the app makes an update check request to GitHub on launch.ezcorridorkey.com · read 3 Oct 2026
- Downloads and integrity
- The maker says Windows builds are code-signed by EZscape Ventures LLC and macOS builds are Apple-notarized.ezcorridorkey.com · read 3 Oct 2026
- Export formats
- The app exports EXR and PNG sequences, ProRes 4444, and VP9 with alpha while preserving bit depth.ezcorridorkey.com · read 3 Oct 2026
- Hardware needs
- The app uses a low-VRAM tiled mode below 12 GB and keeps VRAM use around 6 GB, which the maker says lets an 8 GB NVIDIA card handle most clips.ezcorridorkey.com · read 3 Oct 2026
- Keying
- Its CorridorKey refiner supports green and blue screens and automatically detects which screen color was used.ezcorridorkey.com · read 3 Oct 2026
- License and price
- The app is free forever under the CC BY-NC-SA 4.0 license, and donations are optional.ezcorridorkey.com · read 3 Oct 2026
- Local processing
- Footage is processed on the user's machine; the app has no accounts, telemetry, or cloud processing.ezcorridorkey.com · read 3 Oct 2026
- Mac support
- Apple Silicon Macs from M1 onward are supported with a built-in MLX engine; the maker says alpha generators run slower on Mac and recommends importing premade mattes there.ezcorridorkey.com · read 3 Oct 2026
- Preview
- The dual viewer provides source and alpha or composite views, an A/B wipe, pan and zoom, channel switching, and live despill, refine, and despeckle sliders.ezcorridorkey.com · read 3 Oct 2026
- Purpose
- EZ-CorridorKey is a desktop GUI for CorridorKey, an AI chroma keyer that separates foreground from background.ezcorridorkey.com · read 3 Oct 2026
- Support
- The install page directs users to the GitHub README or install walkthrough for help, and links to the EZSCAPE Discord.ezcorridorkey.com · read 3 Oct 2026
- Supported systems
- The maker says the app runs on Windows, macOS, and Linux, with Docker instructions for Linux servers or remote GPUs.ezcorridorkey.com · read 3 Oct 2026
