Everything you need to know about ROI Viewer, licensing, and technical capabilities.
ROI (Region of Interest) Viewer is a professional Windows application designed for production environments. It allows you to select any specific area of your screen (or a specific window) and stream it live to a secondary monitor, projector, or capture device with pixel-perfect accuracy.
Yes. ROI Viewer is optimized for performance, capable of streaming at up to 120 FPS locally. This makes it ideal for fast-paced content, gaming workflows, or precision monitoring where latency matters.
Beyond standard monitor projection, ROI Viewer features native integration with Blackmagic Design DeckLink cards. This allows you to output your selected region directly via SDI or HDMI for broadcast-grade workflows.
No. We believe in owning your tools. ROI Viewer is available for a one-time purchase of $49, which includes a lifetime license key, priority support, and all future updates for version 0.9 Beta.
Absolutely. You can download the trial version to test the core functionality. The trial has a time limit on active streaming sessions but includes all performance features.
After completing your purchase via our secure payment page, you will instantly receive your unique license key via email. You can enter this key in the app settings to unlock unlimited streaming.