Change Appearance settings in CotEditor on Mac

Set the standard and monospaced fonts used in editors. Choose which font is used for which document in Mode settings.

• Font: The font and font size. To change the font, click the Select button, then choose a font name or font size in the Fonts window.
• Antialias: Apply antialiasing to text. Antialias is a rendering feature that smoothes jagged edges.
• Ligatures: Apply the standard ligature rules to the editor’s text, or turn off all ligatures. A ligature is a typographic feature joining specific characters as a single glyph.

Set the line height as a multiple of the current text size.

Choose the document appearance independently of the system appearance.

Drag the slider or enter a percentage to change the editor’s opacity.

Manage editor color themes. Selecting a theme in the list on the left makes it the default theme. If needed, edit its colors in the editor on the right. To learn more about customization, see Customize a theme.

• Add +, Delete -: Create a new theme or delete the selected theme. Built-in themes can’t be removed.

• Action pop-up menu :

  • Duplicate: Duplicate the selected theme to create your own version.

  • Rename: Rename the selected custom theme.

  • Restore: Remove customizations from the selected built-in theme and restore its original definition.

  • Export: Export a custom theme, or a built-in theme you have customized, to a file. With exported files, custom themes can be used on another computer. To use an exported file, choose Import.

  • Share: Share a custom theme, or a built-in theme you have customized.

  • Import: Import a theme created on another computer. After choosing Import, select the theme file you want to add.

• Theme editor: Edit the selected theme. Click the color wells to choose colors.