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Smart Kerning feature is slow, freezes or keeps spinning
Smart Kerning feature is slow, freezes or keeps spinning

When the automated metrics run forever, time to refresh

Franz avatar
Written by Franz
Updated over a week ago

These issues may be due to memory issues, which can actually happen when there are lots of shape variants in a design, as they blow the maximum amount of kerning pairs (around 12k).

⚠️ To mitigate them, first MAKE SURE TO SPENT MOST EFFORTS ON SPACING to avoid having to create too many kerning pairs.

Unfreeze & speed up

Reload Fontself, restart Illustrator, or reboot the computer

  • You can use Reload Extension from the top-right tray icon or by restarting Illustrator (a computer reboot can also help if you've been working for long days):

Create fewer kerning pairs

You may also apply the Smart Kerning feature manually on fewer characters:

  • Use the Smart feature in the Advanced > Spacing view if you want to automatically set the side bearings values

  • And in the Kerning view, click Smart, but pick only a subset of characters, like just the Uppercase and Lowercase:

  • You can alternatively apply it to an arbitrary set of glyphs (you can view them all when loading a new font in the Live Preview, and paste them in the Kerning preview to force Smart calculations on that text selection):

Delete unnecessary kerning pairs

  • Remove any pair that is just a couple units (too small to be noticeable)

  • Remove pairs that have very low probability of being displayed:

  • Use the filtering field to quickly sort and delete specific characters among all the kerning pairs:

Fasten the editing

You can speed up the process by selecting and deleting all texts in the Kerning Pad and the Live Preview below:

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