Iansui
Iansui is a handwriting font in 1 weight. Its lowercase letters are 6% narrower than the typical handwriting font. Last updated 11 March 2026.
Editing a PDF that uses Iansui
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 Iansui from the widths stored in your PDF, loads the complete open font, and sets your new text in Iansui itself. The rest of the page is carried over untouched.
Measured metrics
| Average lowercase letter width | 514.8 units per 1000 em |
|---|---|
| Average capital letter width | 654.9 units per 1000 em |
| Word space | 350 units per 1000 em |
| Digits | tabular (every digit is 600 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 | Handwriting |
Weights and styles
Languages beyond basic Latin
Open fonts closest to Iansui
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.
- Fusion Kai T Regularidentical letter widths (0 units)
- Bpmf Iansui Regularidentical letter widths (0.1 units)
- Klee One Regularnearly identical widths (0.7 units)
- Fusion Kai J Regularnearly identical widths (0.7 units)
- Fusion Kai G Regularnearly identical widths (1.6 units)
- LXGW WenKai Lightnearly identical widths (2.3 units)
- LXGW WenKai TC Regularnearly identical widths (2.3 units)
- Anuphan Regularloosely similar widths (30.7 units)
Compare Iansui
Questions people ask
+Can I edit a PDF that uses Iansui?
Yes. Drop the PDF into MythosPDF and click the text. New letters are set in Iansui itself, loaded from the open font, so the edit matches the rest of the page.
+Is Iansui free to use?
Iansui 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 Iansui?
By measured letter widths, Fusion Kai T is the closest match among open fonts (a mean difference of 0 units per 1000 em). Text set in one takes almost the same space in the other.
+Which languages does Iansui support?
It includes these character sets: Chinese Traditional, Latin, Central European, More symbols.
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