List of all useful shortcuts for macOS

[mat]

• Command (⌘) + N: New document
• Command (⌘) + O: Open file
• Command (⌘) + S: Save
• Command (⌘) + Shift + S: Save As
• Command (⌘) + P: Print
• Command (⌘) + Z: Undo
• Command (⌘) + Shift + Z: Redo
• Command (⌘) + X: Cut
• Command (⌘) + C: Copy
• Command (⌘) + V: Paste
• Command (⌘) + A: Select All
• Command (⌘) + F: Find
• Command (⌘) + G: Find Next
• Command (⌘) + Shift + G: Find Previous
• Option + Delete: Delete word to the left of the cursor
• Control + K: Delete text from the cursor to the end of the line
• Option + Shift + Right Arrow: Select text one word to the right
• Option + Shift + Left Arrow: Select text one word to the left
• Shift + Right Arrow: Extend selection one character to the right
• Shift + Left Arrow: Extend selection one character to the left
• Shift + Command (⌘) + Right Arrow: Extend selection to the end of the line
• Shift + Command (⌘) + Left Arrow: Extend selection to the beginning of the line
• Shift + Up Arrow: Extend selection one line up
• Shift + Down Arrow: Extend selection one line down
• Option + Shift + Up Arrow: Extend selection to the beginning of the paragraph
• Option + Shift + Down Arrow: Extend selection to the end of the paragraph
• Command (⌘) + Left Bracket ([): Decrease text size
• Command (⌘) + Right Bracket (]): Increase text size
• Command (⌘) + I: Italicize
• Command (⌘) + B: Bold
• Command (⌘) + U: Underline
• Command (⌘) + T: Show Fonts panel
• Command (⌘) + Option + T: Show Colors panel
• Command (⌘) + Option + Shift + T: Show Styles panel
• Command (⌘) + Shift + C: Copy Style
• Command (⌘) + Shift + V: Paste Style
• Command (⌘) + Option + Shift + V: Paste and Match Style
• Command (⌘) + T: Show Fonts panel
• Command (⌘) + Option + T: Show Colors panel
• Command (⌘) + Option + Shift + T: Show Styles panel
• Command (⌘) + Shift + C: Copy Style
• Command (⌘) + Shift + V: Paste Style
• Command (⌘) + Option + Shift + V: Paste and Match Style
• Shift + Command (⌘) + S: Save As
• Shift + Command (⌘) + T: New Tab
• Shift + Command (⌘) + W: Close Window
• Shift + Option + Command (⌘) + W: Close All Windows
• Shift + Command (⌘) + ?: Show Help

[dev]

Thanks @mat seems like an extensive list. Will surely contribute.