About Font Finder AI

Font Finder AI identifies the typeface in an image and points you to a free font you can actually use.

How it works

Identification happens in three stages, all of them in your browser. The image is reduced to ink and split into individual letters. Each shape is then compared against a precomputed fingerprint of every letter of every font in the library — a 16×16 grid recording where the ink falls — which works out both what the letter is and which fonts match it. Finally the closest candidates are re-checked by setting your text in each real font and comparing the whole word, because the fingerprints normalise away proportion and proportion is often what separates two near-identical families.

The second stage involves no AI at all. It is arithmetic: two shapes are compared bit by bit. That is why results appear instantly, why the tool can be free and unlimited, and why every match comes with numbers you can check.

What it will not do

It will not pretend to be certain. When the letters in an image run together — connected scripts, mostly — they cannot be measured individually, and the results are labelled as similar fonts rather than an identification.

It will not rank a paid font it cannot measure. Commercial typefaces are named separately, from a curated list of the free families that stand in for them, and always paired with that free alternative.

The font library

All 1,942 families come from the open-source Google Fonts catalogue. Every one has been measured directly from its outlines for stroke contrast, letter width, stem weight and x-height. Every one is free for commercial use.

Privacy

Images are never stored. Your image is sent once so the text can be read, and is not written to disk. The shape matching runs entirely in your browser. There are no accounts, so there is nothing to sign up for and nothing to delete.