Syne Mono
Syne Mono is a monospace font in 1 weight. Its lowercase letters are 8% narrower than the typical monospace font. Last updated 16 September 2025.
Editing a PDF that uses Syne Mono
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 Syne Mono from the widths stored in your PDF, loads the complete open font, and sets your new text in Syne Mono itself. The rest of the page is carried over untouched.
Measured metrics
| Average lowercase letter width | 550 units per 1000 em |
|---|---|
| Average capital letter width | 550 units per 1000 em |
| Word space | 550 units per 1000 em |
| Digits | tabular (every digit is 550 units wide, so columns of numbers line up) |
| Spacing | monospaced |
| Width of i compared with m | 100% |
| Printable ASCII characters covered | 94 of 94 |
| Category | Monospace |
Weights and styles
Languages beyond basic Latin
Open fonts closest to Syne Mono
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.
- Anonymous Pro Regularnearly identical widths (4.1 units)
- Comic Mono Regularvery close widths (5.1 units)
- Ubuntu Sans Mono Regularvery close widths (10 units)
- Share Tech Mono Regularvery close widths (10 units)
- Nova Mono Regularvery close widths (11.5 units)
- Mononoki Regularvery close widths (11.5 units)
- Reddit Mono Regularvery close widths (12.5 units)
- Sometype Mono Regularloosely similar widths (30 units)
Compare Syne Mono
Questions people ask
+Can I edit a PDF that uses Syne Mono?
Yes. Drop the PDF into MythosPDF and click the text. New letters are set in Syne Mono itself, loaded from the open font, so the edit matches the rest of the page.
+Is Syne Mono free to use?
Syne Mono 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 Syne Mono?
By measured letter widths, Anonymous Pro is the closest match among open fonts (a mean difference of 4.1 units per 1000 em). Text set in one takes almost the same space in the other.
+Which languages does Syne Mono support?
It includes these character sets: Latin, Central European.
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