Photoshop Text Shortcut 1

Ctrl (Windows) , Command (Macintosh).
Alt (Windows), Option (Macintosh).

T : Activate Text Tool.
Shift + T : Switch to other text tool (Vertical Type Tool, Horizontal Type Mask, Vertical Type Mask).
CTRL+Enter : will commit text changes after you have finished typing.
Enter (on the numeric keypad) : will commit text changes after you have finished typing.
Single click on layer in Layers Panel : will commit text changes after you have finished typing.
click checkmark in (Tool) Options Bar / (Tool) Preferences Bar : will commit text changes after you have finished typing.
Double Click on the "T" icon of a text layer in the layers panel : will select all text in that layer.

Ctrl + Shift + . : Enlarge text size by 2 points.
Ctrl + Shift + , : Smaller text size by 2 points.
Ctrl + Shift + Alt + . : Enlarge text size by 10 points.
Ctrl + Shift + Alt + , : Smaller text size by 10 points.

Ctrl + Shift + K : Quick way to switch between lowercase and uppercase text.
Ctrl + Shift + H - small caps.

Alt + Left and Right Arrow Keys : extend / reduce distance between word, a line or a whole paragraph (Tracking). If you block between two characters (you change the Kerning) by 20.
Ctrl + Alt + Left and Right Arrow Keys : extend / reduce distance between word, a line or a whole paragraph (Tracking). If you block between two characters (you change the Kerning) by 100.

Alt + Up and Down Arrow Keys : Quickly change the distance between selected lines (leading) 20.
Ctrl + Alt + Up and Down Arrow Keys : Quickly change the distance between selected lines (leading) 100.

Alt + Shift + Up and Down Arrow Keys : Easy way to use one text layer but have different positions for the text (Baseline Shift) 2. Generally use for ordinal number in date, equation, chemical, math.
Ctrl + Alt + Shift + Up and Down Arrow Keys : Easy way to use one text layer but have different positions for the text (Baseline Shift) 10. Generally use for ordinal number in date, equation, chemical, math.

Ctrl +Shift+L : will align the selected paragraph text justify/align left.
Ctrl +Shift+R : will align the selected paragraph text justify/align right.
Ctrl +Shift+C : will align the selected paragraph text justify center.
Ctrl + Shift + J : justify with last line left aligned
Ctrl + Shift + F : justify all lines
Ctrl + Shift + U : underline
Ctrl + Shift + I : italic
Ctrl + Shift + B : bold
Ctrl + Shift + Y : not sure what to call it, but it resets everything except justification