Ultra
Ultra is a serif font in 1 weight. Its lowercase letters are 40% wider than the typical serif font. Last updated 2 June 2025.
Editing a PDF that uses Ultra
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 Ultra from the widths stored in your PDF, loads the complete open font, and sets your new text in Ultra itself. The rest of the page is carried over untouched.
Measured metrics
| Average lowercase letter width | 725.8 units per 1000 em |
|---|---|
| Average capital letter width | 834.5 units per 1000 em |
| Word space | 299.8 units per 1000 em |
| Digits | proportional (digit widths differ) |
| Spacing | proportional |
| Width of i compared with m | 39% |
| Printable ASCII characters covered | 94 of 94 |
| Category | Serif |
Weights and styles
Languages beyond basic Latin
Open fonts closest to Ultra
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.
- Arbutus Regularloosely similar widths (49 units)
- Lexend Exa Regularloosely similar widths (50.8 units)
- Hepta Slab Regularloosely similar widths (54.7 units)
- Lexend Giga Regularloosely similar widths (58.2 units)
- LINE Seed JP Regularloosely similar widths (59.3 units)
- Poller One Regularloosely similar widths (60.1 units)
- Kumar One Regularloosely similar widths (62.6 units)
- Kumar One Outline Regularloosely similar widths (62.9 units)
Compare Ultra
Questions people ask
+Can I edit a PDF that uses Ultra?
Yes. Drop the PDF into MythosPDF and click the text. New letters are set in Ultra itself, loaded from the open font, so the edit matches the rest of the page.
+Is Ultra free to use?
Ultra is released under the Apache License 2.0, 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 Ultra?
By measured letter widths, Arbutus is the closest match among open fonts (a mean difference of 49 units per 1000 em). Text set in one takes almost the same space in the other.
+Which languages does Ultra support?
It includes these character sets: Latin, Central European.
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