Toggle fold / unfold all headings (markdown)

`Ctrl` + `9`

All hotkeys for WriteMonkey

General Show keyboard shortcuts (will open this list in default browser)	`F1`
General Toggle full screen	`Esc`
General Toggle distraction free mode	`↑ Shift` + `Esc`
General Toggle left and right panes on / off	`F9`
General Show and focus document list / toggle documents / jumps	`F10`
General Command palette	`Ctrl` + `↑ Shift` + `P`
General Open Command palette	`Ctrl` + `Space`
General Access repository items via Command palette	`Ctrl` + `↑ Shift` + `R`
General Access documents list via Command palette	`Ctrl` + `↑ Shift` + `U`
General Access jumps list via Command palette	`Ctrl` + `↑ Shift` + `O`
General New document	`Ctrl` + `N`
General Save Document	`Ctrl` + `S`
General Print selection or document as plain text	`Ctrl` + `P`
General Toggle spell checking on / off	`F7`
General Toggle show whitespace characters on / off	`F8`
General Toggle inactive paragraphs fading on / off	`Ctrl` + `F6`
General Toggle active sentence highlighting on / off	`Ctrl` + `F7`
General Toggle typewriter scrolling on / off	`Ctrl` + `↑ Shift` + `T`
General Show / Toggle / Hide right pane modules	`F12`
General Quit / Close Writemonkey	`Ctrl` + `Q`
General Rotate sepia filter	`Alt` + `↑ Shift` + `S`
General Rotate brightness filter	`Alt` + `↑ Shift` + `B`
General Focus editor when not in focus	`⭾ Tab`
General Reset zoom	`Ctrl` + `0`
General Trigger expandable snippet	`Ctrl` + `↑ Shift` + `E`
General Decrease font zoom	`Ctrl` + `6`
General Increase font zoom	`Ctrl` + `7`
General Decrease text area width	`Ctrl` + `4`
General Increase text area width	`Ctrl` + `5`
Mouse related Set text area width	`Alt` + `Mouse wheel up and down`
Mouse related Set text zoom factor	`Ctrl` + `Mouse wheel up and down`
Mouse related Zoom in / out	`Ctrl` + `Alt` + `Mouse wheel up and down`
Navigation Jump word left, right	`Ctrl` + `← →`
Navigation Moving around and selecting	`Ctrl` + `↑ Shift` + `← →`
Navigation Scroll to selection / cursor	`Ctrl` + `K` then `C`
Navigation Jump to the position of last change	`F4`
Navigation Jump to the left / right edge of the on-screen line	`Home`
Navigation Jump to the left / right edge of the on-screen line	`End`
Navigation Jump to start / end line	`Alt` + `← →`
Navigation (Windows) Jump to start / end document	`Ctrl` + `Home`
Navigation (Windows) Jump to start / end document	`Ctrl` + `End`
Navigation (OSX) Jump to start / end document	`⌘ Cmd` + `↑ ↓`
Selecting with mouse Select word	`Mouse double click`
Selecting with mouse Select paragraph	`Mouse triple click`
Selecting with mouse Column select / add cursor for each line	`Alt` + `Mouse movement`
Selecting with mouse Add another cursor	`Ctrl` + `Mouse left click`
Selecting with mouse Add another selection	`Ctrl` + `Mouse movement`
Folding Toggle fold / unfold all headings (markdown)	`Ctrl` + `9`
Folding Toggle fold / unfold current heading (markdown)	`Ctrl` + `8`
Folding Toggle collapse range (paragraph or selection)	`F5`
Folding Toggle segment focus (paragraph or selection)	`F6`
Editing Copy line / selection	`Ctrl` + `C`
Editing Copy All	`Ctrl` + `↑ Shift` + `C`
Editing Cut line / selection	`Ctrl` + `X`
Editing Paste	`Ctrl` + `V`
Editing Paste as collapsed region	`Ctrl` + `↑ Shift` + `V`
Editing Select all	`Ctrl` + `A`
Editing Select next occurrence	`Ctrl` + `D`
Editing Insert line after	`Ctrl` + `⤶ Enter`
Editing Insert line before	`Ctrl` + `↑ Shift` + `⤶ Enter`
Editing Move line up	`Ctrl` + `↑ Shift` + `↑`
Editing Move line down	`Ctrl` + `↑ Shift` + `↓`
Editing Select line Repeat to select next line	`Ctrl` + `L`
Editing Delete line	`Ctrl` + `↑ Shift` + `K`
Editing Delete from cursor to end of line	`Ctrl` + `K` then `K`
Editing Delete from cursor to start of line	`Ctrl` + `K` then `⬅ Backspace`
Editing Duplicate line / selection	`Ctrl` + `↑ Shift` + `D`
Editing Join line below to the end of the current line	`Ctrl` + `J`
Editing Undo	`Ctrl` + `Z`
Editing Soft undo	`Ctrl` + `U`
Editing Redo	`Ctrl` + `Y`
Editing To Uppercase	`Ctrl` + `K` then `U`
Editing To Lowercase	`Ctrl` + `K` then `L`
Editing Comment / uncomment line or selection	`Ctrl` + `R`
Editing Strike / unstrike line or selection	`Ctrl` + `T`
Editing Bold (markdown)	`Ctrl` + `B`
Editing Italic (markdown)	`Ctrl` + `I`
Editing Code (markdown)	`Ctrl` + `O`
Editing Delete word left	`Ctrl` + `⬅ Backspace`
Editing Delete word right	`Ctrl` + `Del`
Find & Replace Find	`Ctrl` + `F`
Find & Replace Find and replace	`Ctrl` + `H`
Find & Replace Find next	`F3`
Find & Replace Find under	`Ctrl` + `F3`
Find & Replace Find under previous	`↑ Shift` + `Ctrl` + `F3`
Find & Replace Quick find / select all	`Alt` + `F3`
Find & Replace Quick mark all	`Ctrl` + `1`
Repository Move paragraph / selection to repository	`↑ Shift` + `Ctrl` + `M`
Repository Copy paragraph / selection to repository	`↑ Shift` + `Ctrl` + `L`
Bookmarks New bookmark	`Ctrl` + `F2`
Bookmarks Go to next bookmark	`F2`
Bookmarks Go to previous bookmark	`↑ Shift` + `F2`
Bookmarks Clear all bookmarks	`↑ Shift` + `Ctrl` + `F2`