EZ-CorridorKey

Overview

EZ-CorridorKey is a desktop interface for CorridorKey, an AI chroma keyer that separates subjects from their backgrounds. It is a strong fit for editors who want local processing, repeatable matte work, and professional alpha delivery without a software charge. The principal drawback is slower alpha generation on Mac, which can make premade mattes the more practical route on Apple hardware.

The application combines automatic and guided matte creation with detailed previews, queued jobs, and several transparent-video outputs. Footage and project files remain on the local disk, with no account, telemetry, or cloud processing. A launch-time request to GitHub checks for updates, so it is private in its media workflow without being entirely network-free.

Key features

Matte generation and keying

GVM and BiRefNet provide automatic alpha generation for a quick starting point. MatAnyone2 and VideoMaMa add paint-and-track control when an automatic result needs correction or more deliberate subject guidance. CorridorKey's refiner handles green and blue screens and detects the screen color automatically.

Preview and correction

The dual viewer shows source footage against either the alpha or composite result. An A/B wipe, pan and zoom, and channel switching help isolate edge problems, while live despill, refine, and despeckle sliders expose the practical effect of corrections before export. These controls are valuable for compositors who need to inspect hair, holes, and color contamination rather than trust a single thumbnail.

Queue and exports

A job queue processes clips consecutively and reports live progress. Sound cues, recent projects, and saved sessions reduce the friction of returning to a multi-clip job, making the app more suitable for batches than a tool designed only for one-off removal. Input support covers MOV, MP4, PNG, JPG, JPEG, TIF, TIFF, and EXR. Output includes EXR and PNG sequences, ProRes 4444, and VP9 with alpha, while preserving bit depth; that range fits compositing pipelines as well as transparent-video delivery.

Pricing

Free — free

The full desktop app is free forever under the CC BY-NC-SA 4.0 license, with optional donations. There is no trial period because the free plan is the product rather than a limited evaluation. That makes it a sensible choice for independent editors, studios with local infrastructure, and anyone who needs alpha-capable exports without recurring fees. The non-commercial, share-alike license matters if you plan to redistribute modified software or use it in commercial work, so organizations should confirm that the terms fit their project before standardizing on it.

Platforms

EZ-CorridorKey runs on Windows, macOS, and Linux, and can be self-hosted. Linux users also get Docker instructions for servers or remote GPUs. A low-VRAM tiled mode activates below 12 GB and keeps use around 6 GB; the maker says this lets most clips run on an 8 GB NVIDIA card. Apple Silicon Macs from M1 onward use a built-in MLX engine, but the alpha generators run slower there, making imported premade mattes a sensible workaround for time-sensitive jobs. Windows builds are code-signed by EZscape Ventures LLC and macOS builds are Apple-notarized.

Who it's for

Choose EZ-CorridorKey if you edit on a desktop, need transparent exports, and prefer media to stay on your own machine. Its mix of automatic models, paint-and-track controls, chroma-key refinement, and batch sessions is particularly useful for production queues where each clip may need a different level of intervention. It is less attractive for users who want a cloud workflow, browser access, or fast model generation on a Mac without preparing mattes elsewhere. Install help points to the GitHub README, an install walkthrough, and the EZSCAPE Discord.

Pros and cons

Pros

• Broad matte toolkit: automatic generators, paint-and-track models, and green/blue-screen refinement cover both quick and controlled work.
• Useful inspection controls: dual views, A/B wiping, channel switching, zoom, and live correction sliders make edge decisions easier to evaluate.
• Production-friendly queue: consecutive processing, progress reporting, sound cues, recent projects, and saved sessions support batches.
• Strong local privacy: footage and project files stay on disk without accounts, telemetry, or cloud processing.
• Alpha-capable delivery: EXR, PNG, ProRes 4444, and VP9 exports preserve bit depth for compositing and transparent video.

Cons

• Mac generation is slower: Apple users may need premade mattes to avoid lengthy alpha-generation runs.
• License requires attention: CC BY-NC-SA 4.0 may not suit commercial redistribution or proprietary modifications.
• Still checks for updates: the launch request to GitHub may matter in tightly isolated environments.

Alternatives

Video Background Removal Software is a useful category starting point when you want to compare more tools. Pick Cutout.Pro instead for a freemium service spanning web, mobile, desktop, and API access, with subscriptions starting at $5 a month for 80 credits. BackgroundRemover is preferable when open-source local installation through pip or source code is the priority. Choose Bria Video Background Removal for a cloud-oriented freemium workflow with 100 free generations and a 10-requests-per-minute limit. Pixelcut fits mobile and web users who want limited free background removal and watermark-free exports. Robust Video Matting is the alternative for GPL-3.0 source code and pretrained models. VCam suits users seeking browser, Windows, or macOS workspace features, while Knockout API is aimed at API integrations with a 30-images-per-month free tier. Transparent Background is another free, open-source Python option with GUI and webcam support.

Verdict

EZ-CorridorKey is a compelling choice for desktop editors who need local AI keying, controllable mattes, batch processing, and dependable alpha exports at no software cost. Choose it for privacy and pipeline control; look elsewhere if you need cloud convenience, broad browser access, or faster alpha generation on Mac.