Josefin Slab
Josefin Slab is a serif font in 7 weights with italics, also available as a variable font. Its lowercase letters are 7% narrower than the typical serif font. Last updated 16 September 2025.
Editing a PDF that uses Josefin Slab
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 Josefin Slab from the widths stored in your PDF, loads the complete open font, and sets your new text in Josefin Slab itself. The rest of the page is carried over untouched.
Measured metrics
| Average lowercase letter width | 478.7 units per 1000 em |
|---|---|
| Average capital letter width | 664.4 units per 1000 em |
| Word space | 300 units per 1000 em |
| Digits | proportional (digit widths differ) |
| Spacing | proportional |
| Width of i compared with m | 32% |
| Printable ASCII characters covered | 94 of 94 |
| Category | Serif |
Weights and styles
- Josefin Slab Thin Italic
- Josefin Slab Thin
- Josefin Slab ExtraLight Italic
- Josefin Slab ExtraLight
- Josefin Slab Light Italic
- Josefin Slab Light
- Josefin Slab Italic
- Josefin Slab Regular
- Josefin Slab Medium Italic
- Josefin Slab Medium
- Josefin Slab SemiBold Italic
- Josefin Slab SemiBold
- Josefin Slab Bold Italic
- Josefin Slab Bold
Open fonts closest to Josefin Slab
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.
- Josefin Sans Regularloosely similar widths (36.3 units)
- Reem Kufi Ink Regularloosely similar widths (48.4 units)
- Reem Kufi Fun Regularloosely similar widths (48.4 units)
- Reem Kufi Regularloosely similar widths (48.4 units)
- Amarna Regularloosely similar widths (49.8 units)
- Grandiflora One Regularloosely similar widths (51.3 units)
- Enriqueta Regularloosely similar widths (52.5 units)
- Cambo Regularloosely similar widths (52.9 units)
Compare Josefin Slab
Questions people ask
+Can I edit a PDF that uses Josefin Slab?
Yes. Drop the PDF into MythosPDF and click the text. New letters are set in Josefin Slab itself, loaded from the open font, so the edit matches the rest of the page.
+Is Josefin Slab free to use?
Josefin Slab 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 Josefin Slab?
By measured letter widths, Josefin Sans is the closest match among open fonts (a mean difference of 36.3 units per 1000 em). Text set in one takes almost the same space in the other.
+Which languages does Josefin Slab support?
It includes these character sets: Latin.
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