Federo
Federo is a sans serif font in 1 weight. Its lowercase letters are 13% narrower than the typical sans serif font. Last updated 11 September 2025.
Editing a PDF that uses Federo
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 Federo from the widths stored in your PDF, loads the complete open font, and sets your new text in Federo itself. The rest of the page is carried over untouched.
Measured metrics
| Average lowercase letter width | 450.7 units per 1000 em |
|---|---|
| Average capital letter width | 647.5 units per 1000 em |
| Word space | 234.4 units per 1000 em |
| Digits | proportional (digit widths differ) |
| Spacing | proportional |
| Width of i compared with m | 30% |
| Printable ASCII characters covered | 94 of 94 |
| Category | Sans serif |
Weights and styles
Open fonts closest to Federo
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.
- Actor Regularloosely similar widths (40.4 units)
- Bellota Text Regularloosely similar widths (41.7 units)
- El Messiri Regularloosely similar widths (41.8 units)
- Philosopher Regularloosely similar widths (42.8 units)
- ZCOOL XiaoWei Regularloosely similar widths (42.8 units)
- Vidaloka Regularloosely similar widths (43.1 units)
- Catamaran Regularloosely similar widths (43.3 units)
- Lato Regularloosely similar widths (43.5 units)
Compare Federo
Questions people ask
+Can I edit a PDF that uses Federo?
Yes. Drop the PDF into MythosPDF and click the text. New letters are set in Federo itself, loaded from the open font, so the edit matches the rest of the page.
+Is Federo free to use?
Federo 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 Federo?
By measured letter widths, Actor is the closest match among open fonts (a mean difference of 40.4 units per 1000 em). Text set in one takes almost the same space in the other.
+Which languages does Federo support?
It includes these character sets: Latin.
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