Fragment Mono
Fragment Mono is a monospace font in 1 weight with italics. Its lowercase letters are 3% wider than the typical monospace font. Last updated 8 September 2025.
Editing a PDF that uses Fragment 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 Fragment Mono from the widths stored in your PDF, loads the complete open font, and sets your new text in Fragment Mono itself. The rest of the page is carried over untouched.
Measured metrics
| Average lowercase letter width | 618 units per 1000 em |
|---|---|
| Average capital letter width | 618 units per 1000 em |
| Word space | 618 units per 1000 em |
| Digits | tabular (every digit is 618 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 Fragment 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.
- Sono Regularnearly identical widths (1 units)
- Monaspace Neon Regularnearly identical widths (2 units)
- Monaspace Radon Regularnearly identical widths (2 units)
- Monaspace Xenon Regularnearly identical widths (2 units)
- Monaspace Argon Regularnearly identical widths (2 units)
- Monaspace Krypton Regularnearly identical widths (2 units)
- Overpass Mono Regularnearly identical widths (2 units)
- Intel One Mono Regularnearly identical widths (4 units)
Compare Fragment Mono
Questions people ask
+Can I edit a PDF that uses Fragment Mono?
Yes. Drop the PDF into MythosPDF and click the text. New letters are set in Fragment Mono itself, loaded from the open font, so the edit matches the rest of the page.
+Is Fragment Mono free to use?
Fragment 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 Fragment Mono?
By measured letter widths, Sono is the closest match among open fonts (a mean difference of 1 units per 1000 em). Text set in one takes almost the same space in the other.
+Which languages does Fragment Mono support?
It includes these character sets: Cyrillic Extended, Latin, Central European.
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