Why 16px Is Not the Same Size in Every Font
Set two fonts to 16px in CSS and you might expect the letters to be exactly the same height. They often are not even close. One typeface may…
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Technical explanations of font formats, variable fonts, rendering systems, browser behavior, and digital typography implementation.
Why Do Some Fonts Have Two Different “a” and “g” Shapes?
Look at the lowercase letter a in your handwriting, then compare it with the same letter in a book. There is a good chance they do not look…
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OTF vs TTF vs WOFF2: What Font File Formats Actually Mean
Download a font family today and you might find several files inside the folder: They may all appear to contain the same typeface, so why are there four…
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Why the Same Font Looks Different on Windows and macOS
You install exactly the same font on two computers. Same font file. Same weight. Same size. Same text. Yet on Windows the letters might look slightly sharper and…
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How Variable Fonts Work: Axes, Interpolation & CSS Explained
A traditional font family might arrive as a folder containing Regular, Medium, SemiBold, Bold, Condensed, Italic and perhaps a dozen other files. A variable font can potentially contain…
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Why Numbers Look Different in Fonts: A Guide to Figure Styles
Most people spend a lot of time looking at the letters in a font and almost no time looking at its numbers. Yet numbers appear everywhere: prices, dates,…
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