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Show tracking markers on your phone for screen replacement, VFX & green screen.
Turn your Android phone or tablet into a motion tracking target: ScreenTrackr shows customizable tracking markers full-screen, so you can film the device and replace its screen in post-production – with any video, image or UI animation. How it works 1. Choose marker type, size and colors 2. Tap "Start Tracking" – the markers fill the whole screen 3. Film the device in your shot 4. Track the markers in your VFX software, e.g. Mocha, After Effects, Nuke, DaVinci Resolve / Fusion or Blender 5. Replace the screen content To exit, touch the screen with three fingers at the same time. Features • Four marker types: pie, circle, triangle, cross • Five marker sizes and four density levels – from no markers up to 13 • Edge markers in all four corners for corner pin tracking, in five sizes • Any background and marker color – use green screen or blue screen colors to key the display and still track it • Scroll markers: swipe vertically or horizontally and the markers move with your finger, so real scrolling gestures can be tracked – optionally with their own marker type • Live preview of your marker layout • Distraction-free full screen without status and navigation bar • Settings are saved automatically Great for • Phone screen replacement and tablet screen replacement in commercials, films and music videos • App demos, tutorials and product videos • Mockups of interfaces that don't exist yet Free and private • No ads, no in-app purchases • No data collection, no account • Works completely offline Tips for clean tracking • Lower the screen brightness if the markers bloom on camera • Avoid reflections on the display • High contrast between background and markers tracks best Other screens Need tracking markers on a monitor, laptop, TV or iPhone? Use the web version: https://www.overmind-studios.de/screentrackr Developed with Overmind Studios – https://www.overmind-studios.de