Adjust spacing between lines for better readability. Control line height for paragraphs and headings. Perfect for improving document readability and meeting formatting requirements.

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Why you’d use this

  • Readability - Increase spacing for easier reading
  • Academic requirements - Double spacing for papers and theses
  • Accessibility - Better spacing helps users with dyslexia
  • Design control - Match brand guidelines or style requirements

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Options

Configure the extension behavior:
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types
Array.<string>
default:"['heading', 'paragraph']"
Block types to add line height support to
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defaults
Object
Default configuration
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defaults.unit
string
default:"''"
Default unit for line height values
Usage: 
LineHeight.configure({
  resizable: false,
  cellMinWidth: 50
})

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Attributes

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lineHeight
LineHeightValue
Line height value

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Commands

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setLineHeight

Set line height for blocks
Applies to paragraphs and headings
// Set to 1.5x spacing
setLineHeight(1.5)

// Set to 24px spacing
setLineHeight('24px')

// Set to double spacing
setLineHeight(2)
Parameters:
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lineHeight
LineHeightValue
required
See LineHeightValue type definition

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unsetLineHeight

Remove line height
Reverts to default line spacing
unsetLineHeight()

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Types

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LineHeightValue

Line height as number (1.5) or string with unit (‘1.5em’, ‘24px’)