Hepta Slab
Hepta Slab is a serif font in 9 weights, also available as a variable font. Its lowercase letters are 21% wider than the typical serif font. Last updated 5 September 2025.
Editing a PDF that uses Hepta 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 Hepta Slab from the widths stored in your PDF, loads the complete open font, and sets your new text in Hepta Slab itself. The rest of the page is carried over untouched.
Measured metrics
| Average lowercase letter width | 625.8 units per 1000 em |
|---|---|
| Average capital letter width | 800.1 units per 1000 em |
| Word space | 304 units per 1000 em |
| Digits | proportional (digit widths differ) |
| Spacing | proportional |
| Width of i compared with m | 34% |
| Printable ASCII characters covered | 94 of 94 |
| Category | Serif |
Weights and styles
Languages beyond basic Latin
Open fonts closest to Hepta 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.
- Chonburi Regularloosely similar widths (42.6 units)
- Montserrat Underline Regularloosely similar widths (42.7 units)
- Montserrat Regularloosely similar widths (43 units)
- BioRhyme Regularloosely similar widths (43.2 units)
- Alfa Slab One Regularloosely similar widths (43.4 units)
- Montserrat Alternates Regularloosely similar widths (44.4 units)
- Libre Baskerville Regularloosely similar widths (45.7 units)
- Montagu Slab Regularloosely similar widths (47.3 units)
Compare Hepta Slab
Questions people ask
+Can I edit a PDF that uses Hepta Slab?
Yes. Drop the PDF into MythosPDF and click the text. New letters are set in Hepta Slab itself, loaded from the open font, so the edit matches the rest of the page.
+Is Hepta Slab free to use?
Hepta 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 Hepta Slab?
By measured letter widths, Chonburi is the closest match among open fonts (a mean difference of 42.6 units per 1000 em). Text set in one takes almost the same space in the other.
+Which languages does Hepta Slab support?
It includes these character sets: Latin, Central European, Vietnamese.
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