Image
 
Decoder
Brightness
Contrast
Saturation
Hue
White Only
Horizontal Center
Horizontal Size
Vertical Center
Vertical Size
Luma Bandwidth
Chroma Bandwidth
B/W Bandwidth
Barrel
Scanline Level
Shadow Mask Level
Shadow Mask Dot Pitch
Shadow Mask
Persistence
Center Lighting
Luminance Gain
 

This is a WebGL port by Zellyn Hunter of Marc S. Ressl's NTSC emulation from OpenEmulator. The source code is here.

You can find out more about OpenEmulator at the OpenEmulator project website, or download a recent build from the Internet Archive, thanks to 4am.