Krita 3.0

Misc

Desaturate

↑   Shift + Ctrl + U

All hotkeys for Krita 3.0

General
Select all

Ctrl + A

General
Undo

Ctrl + Z

General
Redo

↑   Shift + Ctrl + Z

General
Open

Ctrl + O

General
Deselect

↑   Shift + Ctrl + D

General
Save incremental backup

F4

General
Export

F5

General
Print

Ctrl + P

General
Cut

Ctrl + X

General
Cut

↑   Shift + Del

General
Save as

↑   Shift + Ctrl + S

General
Quit

Ctrl + Q

General
Save incremental

Alt + Ctrl + S

General
Close

Ctrl + W

General
Copy

Alt + Ctrl + J

General
Copy

Ctrl + C

General
Help

F1

General
Copy merged

↑   Shift + Ctrl + C

General
Save

Ctrl + S

General
Paste

Ctrl + V

General
New

Ctrl + N

Painting
Eraser mode

E

Painting
New paint layer

Insert

Painting
Clear

Del

Painting
Fill with background color

⬅ Backspace

Painting
Pick layer

R

Painting
Activate next layer

Page Up

Painting
Activate previous layer

Page Down

Painting
Gradient tool

G

Painting
Move tool

T

Painting
Multibrush

Q

Painting
Color pick

P

Painting
Merge down

Ctrl + E

Painting
Rectangle selection

Ctrl + R

Painting
Transform tool

Ctrl + T

Painting
HSV/HSL adjust

Ctrl + U

Painting
Invert

Ctrl + I

Painting
Duplicate layer

Ctrl + J

Painting
Levels

Ctrl + L

Painting
Display selection

Ctrl + H

Painting
Wrap around mode

W

Set/Reset
Switch to previous preset

/

Set/Reset
Reset picker - BW

D

Set/Reset
Palette

F

Set/Reset
Elliptical selection

J

Set/Reset
Decrease brush size

[

Set/Reset
Increase brush size

]

Set/Reset
Previous favorite preset

,

Set/Reset
Next favorite preset

.

Misc
What's this

↑   Shift + F1

Misc
Color selector

↑   Shift + I

Misc
Set mirror axis

↑   Shift + R

Misc
Hide tip toolbar

↑   Shift + H

Misc
Show dockers

↑   Shift + B

Misc
Minimal shade selector

↑   Shift + N

Misc
Mypaint shade selector

↑   Shift + M

Misc
Undo polygon selection points

↑   Shift + Z

Misc
Flatten image

↑   Shift + Ctrl + E

Misc
Total refresh

↑   Shift + Ctrl + R

Misc
Full screen mode

↑   Shift + Ctrl + F

Misc
Desaturate

↑   Shift + Ctrl + U

Misc
Invert selection

↑   Shift + Ctrl + I

Misc
Cut selection to layer

↑   Shift + Ctrl + J

Misc
Deselect

↑   Shift + Ctrl + A

Zoom
Zoom out

Ctrl + -

Zoom
Zoom in

Ctrl + +

Zoom
Zoom in

Ctrl + =

Zoom
Zoom to fit width

3

Zoom
Zoom to fit

2

Zoom
Zoom 1:1

1

Zoom
Zoom 1:1

0

Rotate
Rotate right

Ctrl + ]

Rotate
Reset canvas view

Ctrl + '

Rotate
Rotate left

Ctrl + [

Rotate
Rotate reset

5

Rotate
Rotate right

6

Rotate
Rotate left

4

Canvas
Canvas only mode

⭾ Tab

Canvas
Toggle full screen

F11

Pan
Pan left

←

Pan
Pan right

→

Pan
Pan up

↑

Pan
Pan down

↓

Color
Decrease opacity

I

Color
Fill with foreground color

↑   Shift + ⬅ Backspace

Color
Darken color

K

Color
Brush tool

B

Color
Show common color

C

Color
Lighten color

L

Color
Increase opacity

O

Color
Color balance

Ctrl + B

Color
Swap foreground and background colors

X

Color
Show color history

H

Similar combinations for other applications

Gmsh 4.1.4
Show plugin window
General

↑   Shift + Ctrl + U

Inkscape
Group selected objects
Object

↑   Shift + Ctrl + U

PSPad
UnIndent Block
Format

↑   Shift + Ctrl + U

The Bat!
Mark thread as unread
Working with Messages

↑   Shift + Ctrl + U

CoffeeCup HTML Editor
Convert to uppercase
Edit

↑   Shift + Ctrl + U

Adobe Acrobat 2017 (Windows and Unix)
Touch Up Reading Order tool (or if already selected, return focus to dialog box)
Selecting tools

↑   Shift + Ctrl + U