Extend selection one line down / one line up

`Shift` + `Arrow Down` / `Shift` + `Arrow Up`

All hotkeys for Google Docs (MacOS)

Navigate Google Docs Jump one character to the left / to the right	`Arrow Left` / `Arrow Right`
Navigate Google Docs Jump one word to the left / to the right	`Command` + `Arrow Left` / `Command` + `Arrow Right`
Navigate Google Docs Jump to the end of a line / beginning of a line	`End` / `Home`
Navigate Google Docs Jump one line down / one line down	`Arrow Down` / `Arrow Up`
Navigate Google Docs Jump one paragraph down / one paragraph up	`Command` + `Arrow Down` / `Command` + `Arrow Up`
Navigate Google Docs Jump one screen down/ one screen up	`Page Down` / `Page Up`
Navigate Google Docs Jump to end / to beginning of document	`Command` + `End` / `Command` + `Home`
Select Text Extend selection one character to the right / to the left	`Shift` + `Arrow Right` / `Shift` + `Arrow Left`
Select Text Extend selection one word to the right / to the left	`Command` + `Shift` + `Arrow Right` / `Command` + `Shift` + `Arrow Left`
Select Text Extend selection to the end / to beginning of a line	`Shift` + `End` / `Shift` + `Home`
Select Text Extend selection one line down / one line up	`Shift` + `Arrow Down` / `Shift` + `Arrow Up`
Select Text Extend selection one screen down / one screen up	`Shift` + `Page Down` / `Shift` + `Page Up`
Select Text Extend selection to end / to beginning of document	`Command` + `Shift` + `End` / `Command` + `Shift` + `Home`
Select Text Extend selection to entire document / select all	`Command` + `A`
Format Text Bold	`Command` + `B`
Format Text Italicize	`Command` + `I`
Format Text Underline	`Command` + `U`
Format Text Superscript	`Command` + `.`
Format Text Subscript	`Command` + `,`
Format Text Copy formatting	`Command` + `Option` + `C`
Format Text Paste formatting	`Command` + `Option` + `V`
Format Text Clear formatting (or Command+Space)	`Command` + `\`
Format Text Normal paragraph style	`Command` + `Option` + `0` (zero)
Format Text Header style 1 ... Header style 6	`Command` + `Option` + `1` … `6`
Format Text Left alignment	`Command` + `Shift` + `L`
Format Text Center alignment	`Command` + `Shift` + `E`
Format Text Right alignment	`Command` + `Shift` + `R`
Format Text Full justify	`Command` + `Shift` + `J`
Format Text Numbered list	`Command` + `Shift` + `7`
Format Text Bulleted list	`Command` + `Shift` + `8`
Manage Google Docs Move focus to menu bar	`Option` + `Shift` + `F`
Manage Google Docs Print	`Command` + `P`
Manage Google Docs Save	`Command` + `S`
Manage Google Docs Compact controls	`Command` + `Shift` + `F`
Manage Google Docs Show your browser's right-click options	`Shift` +right-click
Manage Google Docs Chat	`Shift` + `Esc`
Edit Documents Cut, Copy, Paste	`Command` + `X` , `Command` + `C` , `Command` + `V`
Edit Documents Undo	`Command` + `Z`
Edit Documents Redo	`Command` + `Y`
Edit Documents Increase paragraph indentation	`Tab`
Edit Documents Decrease paragraph indentation	`Shift` + `Tab`
Edit Documents Insert link	`Command` + `K`
Edit Documents Get definitions	`Command` + `Shift` + `Y`
Edit Documents Insert footnote	`Command` + `Option` + `F`
Edit Documents Find	`Command` + `F`
Edit Documents Word count	`Command` + `Shift` + `C`
Jump to Sections within Documents Move to header. Press Escape to leave header	`Command` + `Option` + `o` then `h` *
Jump to Sections within Documents Move to footer. Press Escape to leave footer	`Command` + `Option` + `o` , then `f` *
Jump to Sections within Documents Move to next heading	`Command` + `Option` + `n` then `h` *
Jump to Sections within Documents Move to next heading 1-6	`Command` + `Option` + `n` then `1` … `6` *
Jump to Sections within Documents Move to previous heading	`Command` + `Option` + `p` then `h` *
Jump to Sections within Documents Move to previous heading 1-6	`Command` + `Option` + `p` then `1` … `6` *
Jump to Sections within Documents Move to current footnote	`Command` + `Option` + `f` then E
Jump to Sections within Documents Move to next misspelling	`Command` + `;`
Comment View Open discussion view	`Command` + `Option` + `P`
Comment View Insert comment	`Command` + `Option` + `M`
Comment View Select next comment	`J`
Comment View Select previous comment	`K`
Comment View Resolve comment	`E`
Comment View Move focus outside of input box	`Esc`
Comment View Select previous	`K`
Comment View Submit comment	`Shift` + `Enter` or `Command` + `Enter`
Discussion View Select next	`J`
Discussion View Select previous	`K`
Discussion View Close discussion view	`u` or `Escape`
Discussion View Resolve	`E`
Discussion View Submit comment	`Shift` + `Enter` or `Command` + `Enter`
Comment Box Shortcuts Add '_' before and after phrase to make text in comment italic	_text_
Comment Box Shortcuts *Add '' before and after phrase to make text in comment bold**	text
Comment Box Shortcuts Add '-' before and after phrase to make text in comment strike-through	-text-