The proof is in the computer

Font Proof is a Mac app for type designers. It watches your Glyphs file, builds real PDF proofs, and updates the moment you save. You just keep drawing.

Requires macOS 14 (Sonoma) or later.

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Trusted by leading foundries and designers around the world

Save in Glyphs. See it in your proof.

Font Proof connects directly to Glyphs. Move a point, adjust your spacing, toggle a feature. It shows up in your proof before you can put your coffee down. Save your Glyphs file and your proof is already looking back at you.

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What you see is what you print.

You're working on the actual PDF the entire time. Not a preview that kind of looks like one. Swap a font, adjust the spacing, add a section. Already updated. Print whenever.

Live PDF preview in Font Proof

A proof for every kind of staring.

Waterfalls, glyph grids, columns and rows, style comparisons, basic text, and markup annotation. Each one built for a different kind of looking. Because you don't evaluate kerning the same way you evaluate texture.

Basic character set proof on blue background
Multi-column text proof with running copy
Waterfall proof showing type at increasing sizes
Glyph grid proof showing diacritics on yellow-green background
Basic text proof on pink background
Character set proof on orange background
Zanjabeel proof page 1
Zanjabeel proof page 2
Urushi proof page

Bring your own text.

Link a .txt, .rtf, or .md file to any section or grid cell. Edit the file, the proof updates. You can finally stop pasting the same kerning string into every document you open.

Font Proof with a linked text file updating live

Mix fonts in the same paragraph.

Auto mode distributes fonts across your text by weighted probability. Great for testing how a family reads in running copy. Manual mode lets you tag exact ranges with specific styles. Either way, you'll know fast whether your roman and italic are getting along.

Inline font mixing in Font Proof

Save the proof. Swap the font.

Pangrams, spacing tests, kerning pairs, diacritics for 26 languages. All built in as section templates. Proof templates save everything else: sections, fonts, settings, page size. Build your proof once, drop any font into it later.

Proof templates in Font Proof

If you give a shit about trees.

Freeze a PDF snapshot and mark it up right there. Freehand pen, text annotations, adjustable colors and stroke widths. Your notes live inside the proof file, not on a Post-it stuck to your monitor.

Proof with markup annotations

Pay once. Proof forever.

$100 one time

No subscription. No seats. No nonsense. Buy it once, own it forever, and keep proofing while you draw. Every update is included.

Download for macOS

Try it free for 14 days, no card needed. When you're ready, buy your license right inside the app. Requires macOS 14 (Sonoma) or later.

Are you a student? Email jake@fontproof.com for a discount.