Pocket for Mac

View Menu

Filter > All Items

⌥ Option + 1

All hotkeys for Pocket for Mac

File Menu
Save from Clipboard

⌘ Cmd + S

File Menu
Refresh

⌘ Cmd + R

File Menu
Close Window

⌘ Cmd + W

File Menu
Print

⌘ Cmd + P

Edit Menu
Tags

T

Edit Menu
Undo

⌘ Cmd + Z

Edit Menu
Redo

↑   Shift + ⌘ Cmd + Z

View Menu
Select Next Item

J

View Menu
Select Previous Item

K

View Menu
List > Home

⌘ Cmd + 1

View Menu
List > Favorites

⌘ Cmd + 2

View Menu
LIst > Archive

⌘ Cmd + 3

View Menu
Filter > All Items

⌥ Option + 1

View Menu
Filter > Articles

⌥ Option + 2

View Menu
Filter > Videos

⌥ Option + 3

View Menu
Filter > Images

⌥ Option + 4

View Menu
Switch to Web View/Article View

⌘ Cmd + /

View Menu
Increase Text Size

⌘ Cmd + +

View Menu
Decrease Text Size

⌘ Cmd + -

View Menu
Enter Full Screen

Control + ⌘ Cmd + F

Item Menu
Archive

A

Item Menu
Favorite

F

Item Menu
Delete

⬅ Backspace

Item Menu
Copy Item

C

Item Menu
Mail Item

↑   Shift + ⌘ Cmd + I

Item Menu
Open in Browser

O

Item Menu
Open in Background

⌘ Cmd + O

Similar combinations for other applications

DaVinci Resolve 15 (Mac)
Multicam switch > Switch to angle 1
Clip

⌥ Option + 1

Final Cut Pro X
Switch the multicam clip to angle 1 of the current bank
Editing

⌥ Option + 1

Adobe Premiere Pro (Mac)
Focus Both Outgoing and Incoming
Trim Monitor panel

⌥ Option + 1

Adobe Photoshop CC
for red, choose Edit > Keyboard Shortcuts, and select Use Legacy Channel Shortcuts. Then restart Photoshop.
Using adjustment layers

Note: IF you prefer channel shortcuts starting with Alt/⌥ Option + 1