The closest free alternative to GT Planar is Geologica, 80% alike by measurement, free from Google Fonts. Gantari and Akt come next.
GT Planar, by Dominik Huber for Grilli Type, 2022. Measured on grillitype.com, October 23rd, 2026.
The quick brown fox jumps over the lazy dog. Typography is what language looks like.
Close matchGoogle Fonts · SIL Open Font License
The quick brown fox jumps over the lazy dog. Typography is what language looks like.
Close matchGoogle Fonts · SIL Open Font License
The quick brown fox jumps over the lazy dog. Typography is what language looks like.
Close matchGoogle Fonts · SIL Open Font License
The quick brown fox jumps over the lazy dog. Typography is what language looks like.
Close matchGoogle Fonts · SIL Open Font License
The quick brown fox jumps over the lazy dog. Typography is what language looks like.
Same spiritGoogle Fonts · SIL Open Font License
The quick brown fox jumps over the lazy dog. Typography is what language looks like.
Same spiritGoogle Fonts · SIL Open Font License
GT Planar against Geologica, from the letters themselves. These numbers are why Geologica comes first, and what the CSS below corrects for.
GT Planar Geologica
Swap GT Planar for Geologica and nothing reflows. This sets Geologica at GT Planar’s x-height and line length, so headings, buttons and paragraphs break where they did.
font-family: "Geologica", sans-serif;
font-size: 0.972em; /* down to GT Planar’s x-height */GT Planar is a paid sans serif designed by Dominik Huber, published by Grilli Type in 2022.
See GT Planar on grillitype.com ↗Geologica. Measured letter by letter, it’s 80% alike: 3% taller x-height, sets 3% wider, same weight, same stroke contrast. Gantari, Akt, Wix Madefor Text, Outfit and Quantico are also close.
No. GT Planar is a paid sans serif from Grilli Type. Every alternative on this page is free for commercial use, under the SIL Open Font License.
By measuring the letters, not by comparing names or tags. GT Planar was measured as grillitype.com, October 23rd draws it: its proportions, the width of every letter and figure, its weight, its stroke contrast and the shapes of telling letters like a, g, R and Q. The same measurements were taken of 1,506 free fonts, and these came closest. Each match was then checked by eye.
Not if you use the CSS on this page. It sets Geologica 2.8% smaller, so text written for GT Planar keeps its x-height and its line lengths, and lines break in the same places.
Point Fontsight at any text on any website. It names the font, and offers a free look-alike you can try on the page, line breaks intact.
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