Trirong
Trirong is a serif font in 9 weights with italics. Its lowercase letters are 5% wider than the typical serif font. Last updated 11 September 2025.
Editing a PDF that uses Trirong
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 Trirong from the widths stored in your PDF, loads the complete open font, and sets your new text in Trirong itself. The rest of the page is carried over untouched.
Measured metrics
| Average lowercase letter width | 544.3 units per 1000 em |
|---|---|
| Average capital letter width | 672.2 units per 1000 em |
| Word space | 261 units per 1000 em |
| Digits | tabular (every digit is 587 units wide, so columns of numbers line up) |
| Spacing | proportional |
| Width of i compared with m | 32% |
| Printable ASCII characters covered | 94 of 94 |
| Category | Serif |
Weights and styles
- Trirong Thin Italic
- Trirong Thin
- Trirong ExtraLight Italic
- Trirong ExtraLight
- Trirong Light Italic
- Trirong Light
- Trirong Italic
- Trirong Regular
- Trirong Medium Italic
- Trirong Medium
- Trirong SemiBold Italic
- Trirong SemiBold
- Trirong Bold Italic
- Trirong Bold
- Trirong ExtraBold Italic
- Trirong ExtraBold
- Trirong Black Italic
- Trirong Black
Languages beyond basic Latin
Open fonts closest to Trirong
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.
- Taviraj Regularsimilar widths (15 units)
- IBM Plex Serif Regularsimilar widths (29.9 units)
- Koh Santepheap Regularloosely similar widths (33.2 units)
- Noto Serif Gurmukhi Regularloosely similar widths (33.5 units)
- Noto Serif Malayalam Regularloosely similar widths (33.6 units)
- Bitter Regularloosely similar widths (33.7 units)
- Noto Serif Telugu Regularloosely similar widths (33.9 units)
- Aleo Regularloosely similar widths (33.9 units)
Compare Trirong
Questions people ask
+Can I edit a PDF that uses Trirong?
Yes. Drop the PDF into MythosPDF and click the text. New letters are set in Trirong itself, loaded from the open font, so the edit matches the rest of the page.
+Is Trirong free to use?
Trirong 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 Trirong?
By measured letter widths, Taviraj is the closest match among open fonts (a mean difference of 15 units per 1000 em). Text set in one takes almost the same space in the other.
+Which languages does Trirong support?
It includes these character sets: Latin, Central European, Thai, Vietnamese.
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