Castoro

Designed by Tiro Typeworks, John Hudson, Paul Hanslow, Kaja Słojewska

1 weights • Version 20 • On Google Fonts since 2020 • Popularity #545

Quick Summary

2

Styles · incl. italic

400-400

Weight Range

Static

Not variable

2

Languages / Subsets

Category
serif
Best for
display
Scripts
Latin
Origin
Vancouver, Canada
License
SIL Open Font License
Last updated
Sep 16, 2025

© 2020 The Castoro Project Authors

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The quick brown fox

32px
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What's That Font?

About Castoro Fonts

Castoro began as a synthesis of aspects of assorted Dutch types from the 16–18th Centuries and was initially made for the Indic fonts that Tiro produced for Harvard University Press. The version released as Castoro retains the extensive diacritic set for transliteration of South Asian languages and additional characters for an increased number of European languages.

Castoro is named for the North American beaver, Castor canadensis. Robust serif text types with extensive language and typographic layout support are sometimes referred to as 'workhorse' types. Castoro may be thought of as a busy beaver.

The roman was designed by John Hudson, and the italic with his Tiro colleague Paul Hanslow, assisted by Kaja Słojewska.

To contribute, see github.com/TiroTypeworks/Castoro.

Who Designed Castoro?

All designers

Tiro Typeworks is a small type foundry specialising in custom fonts for multilingual publishing and computing. Tiro’s clients include Adobe, Apple, Brill, Google, Harvard University Press, Microsoft, the STI Pub consortium, and other specialist publishers and scholarly organisations.

John Hudson is a Canadian type designer and font maker, and co-founder of Tiro Typeworks (1994).

Paul Hanslow is an Australian born typeface designer, currently working for Tiro Typeworks in Vancouver, Canada.

Kaja Słojewska is a graphic-turned-typeface designer, currently based in Vancouver, Canada. As Nomad Fonts, Kaja is working with foundries to expand typeface families, produce typefaces, and create custom fonts.

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