Geostar Fill
Geostar Fill is a display font in 1 weight. Its lowercase letters are 44% wider than the typical display font. Last updated 2 June 2025.
Editing a PDF that uses Geostar Fill
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 Geostar Fill from the widths stored in your PDF, loads the complete open font, and sets your new text in Geostar Fill itself. The rest of the page is carried over untouched.
Measured metrics
| Average lowercase letter width | 756.8 units per 1000 em |
|---|---|
| Average capital letter width | 996.2 units per 1000 em |
| Word space | 251 units per 1000 em |
| Digits | proportional (digit widths differ) |
| Spacing | proportional |
| Width of i compared with m | 35% |
| Printable ASCII characters covered | 94 of 94 |
| Category | Display |
Weights and styles
Open fonts closest to Geostar Fill
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.
- Geostar Regularnearly identical widths (1 units)
- Vast Shadow Regularloosely similar widths (72.1 units)
- Science Gothic Regularloosely similar widths (79.3 units)
- Unbounded Regularloosely similar widths (79.5 units)
- Goblin One Regularloosely similar widths (81.7 units)
- Zalando Sans Expanded Regularloosely similar widths (83.1 units)
- Dela Gothic One Regularloosely similar widths (86.1 units)
- BhuTuka Expanded One Regularloosely similar widths (87.5 units)
Compare Geostar Fill
Questions people ask
+Can I edit a PDF that uses Geostar Fill?
Yes. Drop the PDF into MythosPDF and click the text. New letters are set in Geostar Fill itself, loaded from the open font, so the edit matches the rest of the page.
+Is Geostar Fill free to use?
Geostar Fill 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 Geostar Fill?
By measured letter widths, Geostar 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 Geostar Fill support?
It includes these character sets: Latin.
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