Hinting is a set of instructions built into a font to fit its outlines to the pixel grid of a screen. It ensures sharp, even letters at small sizes, where there are too few pixels available to render the design faithfully.
Where to see it
Hinting is noticeable on low-resolution screens, where a well-hinted font stays legible at small sizes while another becomes blurry or uneven. Verdana and Georgia, designed by Matthew Carter for Microsoft in the 1990s, are famous examples, even though high-density screens have since made hinting less critical.
Why this detail matters
Invisible when it works, hinting still makes a real difference on screen:
- At small sizes, it aligns strokes with pixels to avoid blurry letters, uneven stroke weights or shapes that fill in;
- It requires long, painstaking work, done letter by letter, which partly explains the value of fonts designed for the screen;
- On high-resolution screens its role is smaller, but it remains useful for standard displays, small interface text and some systems.
Related term
TTF is the font format that allows the most precise hinting, which long made it the preferred format for the screen.