Give your letters room to breathe.

Read the font’s actual vertical metrics and compare them with its units per em.

Choose your font

From the open library

or upload your own

Drop in a font fileTTF, OTF, WOFF, WOFF2 · up to 2 MBTest scriptCustom shaping text (optional)Download original license

Processed using an isolated Python subprocess. No font files are retained from uploads.

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Choose a font to see measured results. Uploaded files are checked before processing.

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