Whisper
Whisper is a handwriting font in 1 weight. Its lowercase letters are 39% narrower than the typical handwriting font. Last updated 10 September 2025.
Editing a PDF that uses Whisper
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 Whisper from the widths stored in your PDF, loads the complete open font, and sets your new text in Whisper itself. The rest of the page is carried over untouched.
Measured metrics
| Average lowercase letter width | 331.5 units per 1000 em |
|---|---|
| Average capital letter width | 723.9 units per 1000 em |
| Word space | 171 units per 1000 em |
| Digits | proportional (digit widths differ) |
| Spacing | proportional |
| Width of i compared with m | 38% |
| Printable ASCII characters covered | 94 of 94 |
| Category | Handwriting |
Weights and styles
Languages beyond basic Latin
Open fonts closest to Whisper
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.
- Ms Madi Regularloosely similar widths (71.5 units)
- Bilbo Regularloosely similar widths (73.8 units)
- Style Script Regularloosely similar widths (75.1 units)
- Imperial Script Regularloosely similar widths (78.6 units)
- Allura Regularloosely similar widths (80.5 units)
- Arizonia Regularloosely similar widths (81.3 units)
- Yellowtail Regularloosely similar widths (81.9 units)
- Niconne Regularloosely similar widths (81.9 units)
Compare Whisper
Questions people ask
+Can I edit a PDF that uses Whisper?
Yes. Drop the PDF into MythosPDF and click the text. New letters are set in Whisper itself, loaded from the open font, so the edit matches the rest of the page.
+Is Whisper free to use?
Whisper 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 Whisper?
By measured letter widths, Ms Madi is the closest match among open fonts (a mean difference of 71.5 units per 1000 em). Text set in one takes almost the same space in the other.
+Which languages does Whisper support?
It includes these character sets: Latin, Central European, Vietnamese.
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