duolingo.com draws its headings and body text in Duolingo Sans. That is the only custom font on the page. We measured it on October 21, 2026.
The fonts duolingo.com draws
| Font | Used for | Share of its custom-font text | Licence | How common |
|---|---|---|---|---|
| Duolingo Sans | Headings, Body text | 100% | Company typeface, not verified as obtainable | – |
Share is how much of the page’s custom-font text each font draws. System fonts and icon fonts are never counted. Each site was opened twice in a real browser and Chrome was asked which font file drew each piece of text. We count a font for a site only if both runs saw it and it drew at least 2% of the site’s custom-font text. The full method.
Can I use the same fonts?
- Duolingo Sans: we could not verify that this typeface can be licensed, and it carries the name of the company that uses it, so we neither recommend it nor link a source.
duolingo.com among education sites
duolingo.com is one of the 15 education sites we measured. Across them, Inter is the most used font you can get, on 2 of the 15 (13%). All the fonts education sites use.
What pairing does duolingo.com use?
duolingo.com uses one family, Duolingo Sans, for both headings and body text. So do 280 of the 407 sites we analyzed (69%). Pairings of two different fonts.
Other education sites we measured
- babbel.com Graphik, Feature Text LC
- brilliant.org CoFo Brilliant, CoFo Robert
- cam.ac.uk Lato, Open Sans
- codecademy.com Apercu Pro
- coursera.org Source Sans 3
- edx.org Inter
See the fonts on all 407 sites.
FAQ
What font does duolingo.com use?
duolingo.com draws its headings and body text in Duolingo Sans. We measured it on October 21, 2026.
Is Duolingo Sans free?
We could not verify that Duolingo Sans can be licensed, so we do not state a licence. It carries the name of the company that uses it, which usually means a custom house font.
What font pairing does duolingo.com use?
One family, Duolingo Sans, for both headings and body text.
Can I use the same fonts as duolingo.com on my own site?
Only if the licence allows it. Free and open-source fonts can be used freely. Commercial fonts need your own licence, even though you can see the file on duolingo.com. Each font's licence is on this page, from its source.
How do you know which font duolingo.com uses?
We opened duolingo.com in a real browser and asked Chrome which font file drew each piece of text, twice in separate sessions. A font counts only if both runs saw it and it drew at least 2% of the site's custom-font text.
Can I check a different website?
Yes. Paste its address into the free font finder.