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Libre Franklin

Libre Franklin is a sans serif font in 9 weights with italics, also available as a variable font. Its lowercase letters are about as wide as the typical sans serif font. Last updated 8 September 2025.

Libre Franklin: The quick brown fox jumps over the lazy dog 0123456789
Libre Franklin Regular
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Editing a PDF that uses Libre Franklin

Most PDFs embed only the letters they already use. Type a new letter and many editors either refuse or swap in a different font. MythosPDF recognises Libre Franklin from the widths stored in your PDF, loads the complete open font, and sets your new text in Libre Franklin itself. The rest of the page is carried over untouched.

Measured metrics

Average lowercase letter width529.2 units per 1000 em
Average capital letter width688 units per 1000 em
Word space214 units per 1000 em
Digitsproportional (digit widths differ)
Spacingproportional
Width of i compared with m26%
Printable ASCII characters covered94 of 94
CategorySans serif

Weights and styles

Languages beyond basic Latin

Open fonts closest to Libre Franklin

Measured on every printable character both fonts contain. A smaller difference means the same words take the same space, so lines break in the same places.

  1. Public Sans Regularsimilar widths (19 units)
  2. Bpmf Huninn Regularloosely similar widths (31.2 units)
  3. Huninn Regularloosely similar widths (31.2 units)
  4. Varela Regularloosely similar widths (32.7 units)
  5. Varela Round Regularloosely similar widths (32.8 units)
  6. Saira Stencil Regularloosely similar widths (33 units)
  7. Saira Regularloosely similar widths (33 units)
  8. Alan Sans Regularloosely similar widths (33.2 units)

Compare Libre Franklin

Questions people ask

+Can I edit a PDF that uses Libre Franklin?

Yes. Drop the PDF into MythosPDF and click the text. New letters are set in Libre Franklin itself, loaded from the open font, so the edit matches the rest of the page.

+Is Libre Franklin free to use?

Libre Franklin is released under the SIL Open Font License 1.1, an open licence that allows free use in documents, including commercial ones. Check the licence text for your exact use.

+Which font is closest to Libre Franklin?

By measured letter widths, Public Sans is the closest match among open fonts (a mean difference of 19 units per 1000 em). Text set in one takes almost the same space in the other.

+Which languages does Libre Franklin support?

It includes these character sets: Cyrillic, Cyrillic Extended, Latin, Central European, Vietnamese.

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