Heebo
Heebo is a sans serif font in 9 weights, also available as a variable font. Its lowercase letters are 4% narrower than the typical sans serif font. Last updated 10 September 2025.
Editing a PDF that uses Heebo
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 Heebo from the widths stored in your PDF, loads the complete open font, and sets your new text in Heebo itself. The rest of the page is carried over untouched.
Measured metrics
| Average lowercase letter width | 499.8 units per 1000 em |
|---|---|
| Average capital letter width | 634.3 units per 1000 em |
| Word space | 248.1 units per 1000 em |
| Digits | tabular (every digit is 562 units wide, so columns of numbers line up) |
| Spacing | proportional |
| Width of i compared with m | 28% |
| Printable ASCII characters covered | 94 of 94 |
| Category | Sans serif |
Weights and styles
Languages beyond basic Latin
Open fonts closest to Heebo
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.
- Roboto Regularnearly identical widths (3.1 units)
- Vazirmatn Regularvery close widths (5.5 units)
- Radio Canada Big Regularsimilar widths (26 units)
- Hanken Grotesk Regularsimilar widths (26.6 units)
- Roboto Flex Regularsimilar widths (27.9 units)
- Ubuntu Sans Regularsimilar widths (28.2 units)
- Ubuntu Regularsimilar widths (28.8 units)
- Aileron Regularsimilar widths (28.8 units)
Compare Heebo
Questions people ask
+Can I edit a PDF that uses Heebo?
Yes. Drop the PDF into MythosPDF and click the text. New letters are set in Heebo itself, loaded from the open font, so the edit matches the rest of the page.
+Is Heebo free to use?
Heebo 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 Heebo?
By measured letter widths, Roboto is the closest match among open fonts (a mean difference of 3.1 units per 1000 em). Text set in one takes almost the same space in the other.
+Which languages does Heebo support?
It includes these character sets: Hebrew, Latin, Central European, Math symbols, Symbols.
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