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{{Main|CRT Shaders}}
{{Main|NTSC filters}}
Add more. Add the major most popular ones. Add brief description.
==Types=={{Main|List of shaders and filters}}Types [[File:Crt-geom.png|thumb|190px|crt-geom-flat.cg, a popular CRT shader. ]]==
===CRT Shaders===
These replicate aperture grille CRTs, which have sharp images and strong scanlines. They do not replicate shadowmask CRT displays.
===NTSC Filters===
These replicate the cables used to connect the system to the TV. They vary in quality, with the lowest being RF, then composite, then s-video and RGB (scart) being the highest quality. Many systems have NTSC filters built into them. They can also be separately downloaded in .filter format.
This .cgp shader replicates the dot matrix screen of a Game Boy, complete with the ghosting problems to reproduce certain visual effects. Made by Harlequin. Requires [[RetroArch]].
===Smoothing shaders===
These shaders, such as Super Eagle, BR, or HQ, attempt to reduce the pixilation by smoothing and rounding. They cause a lot of false positives and disotrions however.
===Dithering===
These are shaders designed to detect and smooth [[dithering]]. [https://github.com/libretro/common-shaders/tree/master/dithering mdapt] is a popular one.
==Downloads==
