Krita¶

Space
Ctrl Space
[Alt] Shift Space
1 2 3 4 5
Tab
Ctrl Z / Ctrl Shift Z
x and d
Slash key (/) to preserve alpha
m to mirror
(Ctrl +) PageUp / PageDown to (move / switch) layer
i / o to increase / decrease opacity

Layers¶

Ctrl J to duplicate
Ctrl E to merge
add (convert) > transparency mask hold Alt and Click on mask layer's thumbnail to view actual paintings on the mask layer.
(Ctrl + Shift + G) Clipping group (alpha inheritance) the layer won't have its own alpha channel but use other layer's alpha in the same group or the document.
Create Clone Array when the origin one is modified, the clone is also updated.

Free Hand (B)rush¶

Shift and drag, [ ]
E
"Eraser switch size"
/ key to switch current/previous preset

(Q) Multi Brush¶

Draw like symmetry mode with advanced settings.

(F)ill tool¶

[Shift] Backspace

(T)ransform Move Tool¶

Movement Mask

(Ctrl + T) Free transform¶

Ctrl to rotate in space

Wrap mode¶

Can be powerful when one needs to apply texture to a surface which is curved.

https://www.youtube.com/watch?v=TQ8iIQU9KHc

Cage mode¶

Can also be powerful when one needs to apply texture to a surface which is curved.

https://www.youtube.com/watch?v=TQ8iIQU9KHc

Liquify¶

Ctrl key down to reverse effect.

Blending Mode¶

Shift + Alt + \<First letter of blending mode>

Normal and Erase mode
Multiply mode / Screen mode: shadow and add color to grey scale image, or opposite
Lighten mode / Darken mode: keep the brightest color, and opposite
Overlay mode: use light color to lighten image and dark color to darken
Color Doge mode: lighten image
Color mode: replace color, but keep luminosity

Selection¶

Global Selection Mask in mask: black means 0, and white means 1. With that, selection = opacity mask = alpha channel
Modifier keys to add, subtract and intersect (multiple) selection. Shift, Alt and Shift + Alt
Selection mask mode and ant lines mode switch button on the left lower corner.

(Ctrl + R)ectangle Selection Tool¶

Shift, Control and Alt

Outline Selection Tool¶

Continuous Selection Tool¶

Grids and Guides¶

Shift + S to open snaps menu
Settings > Dockers > Grids and Guides
View > Show rulers

Filters¶

Levels
Color Adjustment
Color Balance
Desaturation to turn image into black and white
Gaussian Blur (and apply it together with alpha mask)
Unsharp

Polygon¶

V for Line Tool