These downloads primarily use software-based image processing to brighten low-light feeds or apply stylistic filters:

Understanding the difference is critical before downloading any software: Making a Night-Vision Webcam : 6 Steps - Instructables

: Apps such as Night Vision Camera FX focus on aesthetics, adding scan lines, HUD overlays, and "retro tactical" palettes like green or monochrome. They do not amplify real light.

: Applications like Night Camera Mode Photo Video on Google Play or Night Vision Camera & Video on the App Store apply color gradients and brightness adjustments to help you see objects in low light.

: For video editors, there are downloadable Night Vision Overlays that can be dropped into editing software to create a night-vision effect for recorded footage.