iA Writer includes a number of keyboard shortcuts.

Summary

Files

⌘N New
⇧⌘N New Window

Quick Search

⇧⌘O Quick Search
⏎ Open file or activate action
⇧⏎ Open file in new window

Navigation

⌘⏎ Open a link in Editor
⌘-click Open a link in Editor
click Open a link in Preview
Wikilinks Open a document or create a new one, ready to type
Text content blocks Open a document or create a new one, ready to type
Hashtags Shown in Quick Search
Links Open in default browser
Emails New draft in default mail client
URL commands Run if allowed

Document Navigation

⌃⌘← Go to previous document
⌃⌘→ Go to next document

Interface

⌃⌘N Dark or light appearance
⌃⌘S Show or hide Library on iPad
⌘R Show or hide Preview

Editing

⌘⏎ Begin editing

Structure

⌘1–6 Heading 1–6
⌘L List
⌥⌘L Task list
⇧⌘L Ordered list
⌥⇧⌘L Ordered task list
⌥⌘X Mark task as completed
⇥ Indent
⇧⇥ Outdent
⌥⌘↑ Move selected line up
⌥⌘↓ Move selected line down

Formatting

⌘B Bold
⌘I Italic
⌥⌘U Strikethrough
⇧⌘U Highlight
⌘K Link
⌥⌘K Image link
⇧⌘K Wikilink
⌃⌘K Footnote
⌘J Code
⇧⌘J Code block

Focus

⌘D Enable or disable Focus Mode
⇧⌘D Enable or disable Syntax Highlight
⌥⇧⌘D Enable or disable Style Checking

Copy and paste

⌘C Copy selected text
⌥⌘C Copy formatted selected text
⇧⌘C Copy selected text as HTML
⌃⌘C Copy selected text as Markdown
⌘V Paste

Find

⌘F Find
⌥⌘F Find and replace
⌘E Use selection for find
⌘G Find next
⇧⌘G Find previous

Move caret to

← Previous character
→ Next character
↑ Previous line
↓ Next line
⌘← Start of line
⌘→ End of line
⌘↑ Start of document
⌘↓ End of document
⌥← One word left
⌥→ One word right
⌥↑ Start of this or previous line
⌥↓ End of this or next line

Text Size

⌘+ Make text larger
⌘- Make text smaller
⌘0 Default text size