Emacs Markdown-mode Cheat Sheet by xaon

C-c C-s e	Make word or region italic (emphasis)
C-c C-s s	Make word or region bold (strong)
C-c C-s p	Make word or region preformed (code block)
C-c C-s C-p	Make region preformed
C-c C-s c	Make word or region inline code
C-c C-s b	Make active region a blockquote
C-c C-s C-b	Make region a blockquote

C-c C-t h	Insert header, type and level depend on context
C-c C-t H	Insert header but uses unlining when possible
C-c C-t 1-6	Insert specific header level from H1 to H6
C-c C-t !	Insert setext level 1 heading ====
C-c C-t @	Insert setext level 2 heading ——
C-c C-k	Kill the heading
C-y	Yank the heading text back into buffer

C-c C-a l	Insert an inline link of the form text.
C-c C-a L	C-c C-a L Insert a reference link of the form [text]­[label]
C-c C-a u	Insert bare URL of the form <UR­L>
C-c C-a f	Insert footnote marker and definition below
C-c C-a w	Insert a wiki link of the form [[Wiki­Link]]

C-c C-i i	Insert markup for inline image
C-c C-i I	Insert refere­nce­-style markup for inline image

m-RET	New list item is inserted
m-UP	Move list item up
m-DOWN	Move list item down
m-LEFT	Exdent list item
m-RIGHT	Indent list item

C-c -	Insert horizontal rule as defined by markdo­wn-­hr-­strings
C-u C-c -	Insert last string in markdo­wn-­hr-­strings
M-n C-c -	Insert string in position n (start at 1)

M-{	Move to previous Paragraph
M-}	Move to next Paragraph

C-M-a	Move to beginning of current section
C-M-e	Move to end of current section
C-M-h	Mark a region around current section

C-c C-c c	Check for undefined references
C-c C-c n	Renumbers any ordered lists in buffer
C-c C-c ]	Completes all headings and normalizes horizontal rules

C-c C-n	Move to next visible heading
C-c C-p	Move to previous visible heading
C-c C-f	Move to next visible heading at same level
C-c C-b	Move to previous visible heading at same level
C-c C-u	Move up to a lower-­level heading

C-c C-j

Jump from one object to its counter part

C-c C-o

Open reference link at point in browser

C-c C-]

Complete markup to normalized form

C-c <	Exdent text in region
C-c >	Indent text in region

C-c C-c m	Run Markdown (using markdo­wn-­com­mand) on current buffer and output to another
C-c C-c p	Run Markdown on current buffer and previews in browser
C-c C-c e	Run Markdown on current buffer and save output in base name.html
C-c C-c v	Run Markdown on current buffer, save output and preview in browser
C-c C-c w	Run Markdown on current buffer and send output to kill ring
C-c C-c o	Open Markdown source using markdo­wn-­ope­n-c­ommand

C-c C-k

Kill thing at point to Kill Ring w/o markup

C-c C--	Demote object, like h2 to h1
C-c C-=	Promote object, like h1 to h2