Adobe Photoshop CS4 Keys for working with blending modes keyboard shortcuts keys

Shortcut                                                     Command
Shft + + (plus) or - (minus)	Cycle through blending modes
Shft + Optn + N	Normal
Shft + Optn + I	Dissolve
Shft + Optn + Q	Behind (Brush tool only)
Shft + Optn + R	Clear (Brush tool only)
Shft + Optn + K	Darken
Shft + Optn + M	Multiply
Shft + Optn + B	Color Burn
Shft + Optn + A	Linear Burn
Shft + Optn + G	Lighten
Shft + Optn + S	Screen
Shft + Optn + D	Color Dodge
Shft + Optn + W	Linear Dodge
Shft + Optn + O	Overlay
Shft + Optn + F	Soft Light
Shft + Optn + H	Hard Light
Shft + Optn + V	Vivid Light
Shft + Optn + J	Linear Light
Shft + Optn + Z	Pin Light
Shft + Optn + L	Hard Mix
Shft + Optn + E	Difference
Shft + Optn + X	Exclusion
Shft + Optn + U	Hue
Shft + Optn + T	Saturation
Shft + Optn + C	Color
Shft + Optn + Y	Luminosity
Sponge tool + Shft + Optn + D	Desaturate
Sponge tool + Shft + Optn + S	Saturate
Dodge tool/Burn tool + Shft + Optn + S	Dodge/burn shadows
Dodge tool/Burn tool + Shft + Optn + M	Dodge/burn midtones
Dodge tool/Burn tool + Shft + Optn + H	Dodge/burn highlights
Shft + Optn + N	Set blending mode to Threshold for bitmap images, Normal for all other images