Triodion
Triodion is a display font in 1 weight. Its lowercase letters are 10% narrower than the typical display font. Last updated 30 May 2025.
Editing a PDF that uses Triodion
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 Triodion from the widths stored in your PDF, loads the complete open font, and sets your new text in Triodion itself. The rest of the page is carried over untouched.
Measured metrics
| Average lowercase letter width | 471 units per 1000 em |
|---|---|
| Average capital letter width | 617.6 units per 1000 em |
| Word space | 300 units per 1000 em |
| Digits | proportional (digit widths differ) |
| Spacing | proportional |
| Width of i compared with m | 36% |
| Printable ASCII characters covered | 94 of 94 |
| Category | Display |
Weights and styles
Languages beyond basic Latin
Open fonts closest to Triodion
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.
- Ponomar Regularvery close widths (8.4 units)
- Pochaevsk Regularvery close widths (14.7 units)
- Libertinus Serif Regularloosely similar widths (31.6 units)
- Libertinus Math Regularloosely similar widths (35.7 units)
- Libertinus Serif Display Regularloosely similar widths (35.9 units)
- Lisu Bosa Regularloosely similar widths (36.5 units)
- Crimson Text Regularloosely similar widths (37.3 units)
- Buenard Regularloosely similar widths (38.6 units)
Compare Triodion
Questions people ask
+Can I edit a PDF that uses Triodion?
Yes. Drop the PDF into MythosPDF and click the text. New letters are set in Triodion itself, loaded from the open font, so the edit matches the rest of the page.
+Is Triodion free to use?
Triodion 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 Triodion?
By measured letter widths, Ponomar is the closest match among open fonts (a mean difference of 8.4 units per 1000 em). Text set in one takes almost the same space in the other.
+Which languages does Triodion support?
It includes these character sets: Cyrillic, Cyrillic Extended, Latin.
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