Passero One
Passero One is a display font in 1 weight. Its lowercase letters are 14% narrower than the typical display font. Last updated 10 September 2025.
Editing a PDF that uses Passero One
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 Passero One from the widths stored in your PDF, loads the complete open font, and sets your new text in Passero One itself. The rest of the page is carried over untouched.
Measured metrics
| Average lowercase letter width | 448.4 units per 1000 em |
|---|---|
| Average capital letter width | 527.9 units per 1000 em |
| Word space | 219.2 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 | Display |
Weights and styles
Languages beyond basic Latin
Open fonts closest to Passero One
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.
- Anaheim Regularloosely similar widths (31.4 units)
- Mirza Regularloosely similar widths (31.7 units)
- Freeman Regularloosely similar widths (32.5 units)
- Share Regularloosely similar widths (34.2 units)
- Stylish Regularloosely similar widths (34.6 units)
- Cuprum Regularloosely similar widths (34.9 units)
- Share Tech Regularloosely similar widths (35.2 units)
- Moulpali Regularloosely similar widths (35.6 units)
Compare Passero One
Questions people ask
+Can I edit a PDF that uses Passero One?
Yes. Drop the PDF into MythosPDF and click the text. New letters are set in Passero One itself, loaded from the open font, so the edit matches the rest of the page.
+Is Passero One free to use?
Passero One 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 Passero One?
By measured letter widths, Anaheim is the closest match among open fonts (a mean difference of 31.4 units per 1000 em). Text set in one takes almost the same space in the other.
+Which languages does Passero One support?
It includes these character sets: Latin, Central European.
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