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First release of InvertLens: live negative camera with split compare, four viewing modes, torch, zoom, contrast control, freeze and save.
Live negative camera: invert colors, zoom and look closer at tiny details.
InvertLens is a live negative camera for your phone. It inverts colors in real time, so dark specks, fine hairs and small marks turn bright against a dark background and are easier to see with your own eyes. Add a high contrast camera mode, a flashlight and zoom up to 8×, and you have a pocket magnifier for close-up inspection. VIEW MODES • Negative: the classic color inverter. Light becomes dark, dark becomes light. • High Contrast: a negative filter with extra punch for faint, low-contrast details. • Mono Negative (Plus): a grayscale negative that removes color distractions. • Edge Glow (Plus): outlines and edges light up on a dark background. FEATURES • Live negative camera view with no delay; everything runs on your phone's graphics chip. • Contrast slider that works in every mode. • Zoom from 1× to 8× by pinching or with the slider. • Flashlight toggle for dim corners and dense fabric. • Normal/Negative switch: invert colors or go back to the normal view with one tap. • Split compare: drag the divider to see the normal and filtered view side by side. • Freeze: hold a frame, pinch to zoom in, change the mode or contrast, then save or share it. • Gallery: your captures stay on this phone, grouped by date. Select, delete, share, or save to your Pictures folder. • Works as a simple film negative viewer: hold a negative up to a light source and the invert colors view shows it as a positive. WHERE IT HELPS Use the negative camera or the high contrast camera mode on: • Hair and scalp • Clothing, bedding and mattress seams • Carpets, rugs and upholstery • Pet fur and bedding • Kitchen corners, shelves and drawers • Old film negatives and slides HOW TO USE 1. Open the camera and turn on the flashlight for even light. 2. Choose Negative or High Contrast and adjust the contrast slider. 3. Hold the phone 5–10 cm from the surface and move slowly, magnifying when needed. 4. Tap Freeze to hold a frame, then zoom in, save or share. INVERTLENS PLUS The free version includes Negative and High Contrast, a banner ad at the bottom of the camera screen, and up to 20 saved captures. Plus removes ads, unlocks the Mono Negative and Edge Glow negative filters, and makes the gallery unlimited. Choose a monthly plan, a yearly plan, or a one-time lifetime purchase. Prices are shown in the app before you buy, and you can restore a purchase on a new phone. FAQ • Do my photos leave the phone? No. The camera image is processed on the device and nothing is uploaded. A capture is saved only when you tap Save. • Which permissions are needed? Camera for the live view and internet for ads and purchases. No storage, location or microphone permission. • Can I use it as a film negative viewer? Yes, as a quick viewer: the color inverter turns the negative into a positive. It is not a scanner and does not correct the orange mask of color film. • Does magnification reduce quality? It is digital, so very high magnifier levels look softer. Freezing the frame helps you look closer without camera shake. InvertLens is a viewing tool; it does not detect anything, it helps you see contrast more clearly.