The Exports tab contains the static instances and variable fonts that are created when exporting with File → Export… (Cmd-E). Click the plus  button located in the bottom-left of the Exports tab to add a new static or variable instance. Four options are available:

Click the minus  button to delete the selected instances. Select multiple instances by Command-clicking entries in the sidebar, or Shift-click to select a range of instances. Reorder instances by dragging them to a new position. The order of instances is just used for organization within Glyphs and does not affect the exported font files. For more information on interpolating instances, see Interpolation.


The Active setting controls whether an instance is exported with File → Export… (Cmd-E). Deactivated instances are shown with a gray icon in the sidebar.

Style Name

The style name appears in the font menu of an application. Examples include Regular, Bold, or Light Italic Display. The style name can include the letters A–Z and a–z, the digits 0–9, spaces, and some punctuation marks such as the hyphen. Characters outside the ASCII range are not compatible with all software. Instead, add the styleNames custom parameter for style names with Unicode characters.

Some operating systems, applications, and printers do not work with fonts with long font names. A conservative limit is 20 characters for the overall name (family and style name). When the font name is too long, consider adding the postscriptFontName and postscriptFullName custom parameters with abbreviated font names.

See the Naming tutorial for more information on good style names and how to shorten them for maximum software compatibility.

Weight & Width

The Weight Class and Width Class values are used to categorize an instance. Some applications use the weight and width classes to order fonts in a font menu. When defining the typography of a website with CSS, the weight class is used to access fonts of different weights.

Click the disclosure  button to select from a range of predefined values. These values follow the OpenType OS/2 specification: 100, 200, …, 900 for standard weight classes and 1–9 for width classes. The weight class can be any value from 1 to 1000 if a font family needs more than the nine standard weight classes. Click a weight class field to manually enter a value ranging from 1 to 1000 (for example, 350 for a Semi Light style). Note that some applications only work with fonts that use one of the predefined weight classes and reject fonts with in-between values.

Weight and width classes are not necessarily the same as the weight and width axis coordinates (if a font has such axes). The weight and width classes are used by applications other than Glyphs to order and categorize fonts. Axes are used internally in Glyphs for interpolation (though they can also be exposed, see Setting up Masters: Axes Coordinates). Weight and width axes are not bound to the same value ranges as the weight and width classes.

Axes Coordinates

Axes coordinates define the location of an instance in the designspace. The axes of a font are defined in the Font tab (see Axes), and masters define the outlines and metrics at specific locations in the designspace of those axes (see Masters: Axes Coordinates).

An instance with axis coordinates between masters is interpolated and extrapolated when it is outside the designspace. For example, consider a single weight axis with two masters, Light at 40 and Bold at 120. An instance with a weight of 80 is interpolated. Instances with weights of 20 and 150 are both extrapolated. Extrapolated instances are often challenging to get right. Consider drawing masters at the axes extremes so that all instances are interpolated.

Style Linking

Use style linking to connect a bold, italic, or bold-italic instance to its regular instance. Style linking is used by applications like word processors to switch to the correct font when the user clicks the Bold button or presses Cmd-I to italicize the selected text.

Style Linking has two checkboxes—one for bold and one for italic—and a text field for the name of the base instance. For example, in a Bold Italic instance, select both checkboxes and enter the name of the normal instance (Regular) into the text field.

Style linking only works between fonts with the same family name. By default, Glyphs uses the family name from the Font tab for all instances in the Exports tab. The family name can be overwritten for individual instances by adding a familyNames in File → Font Info… → Exports → General. Fonts generated from different Glyphs files can use the same family name. This is common when using separate Glyphs files for the Roman and the Italic, which still belong to the same family.

Some applications do not expose a complete list of all styles in a font. Instead, they only allow the user to select a family and its regular, bold, italic, and bold-italic styles using Bold and Italic buttons. In these applications, fonts that are not linked typically appear as separate entries in a font family picker. Consider using the following style linking strategy:

Some font designers also link bolds with other styles. For example, Semibold is marked as the bold of Light. This hides the Semibold style from the font family picker, making it only available when pressing the Bold button while the Light style is selected. Therefore, users may be unaware that the font family includes a Semibold style.

Custom Parameters

Instances can have custom parameters. Some custom parameters exist in the Font, Masters, and Exports tabs. A parameter in the Exports tab will overwrite values set in the Masters and Font tabs. For example, a trial version of an instance might add the word TRIAL to the end of the family name.