Guides
How canvas actually holds type.
Short notes from the studio. These are the reasons CanvasFont exists — the parts of fillText that documentation leaves as an exercise.
Crisp canvas type
4 minWhy fillText looks cheap on a retina screen, and the two-line fix.
Load the font before fillText
3 minCanvas will happily paint fallback glyphs and never tell you.
Tracking is not a canvas property
4 minletter-spacing exists in CSS. On canvas you advance the pen yourself.
measureText in practice
5 minWidth was the only number for years. You have a full em box now. Use it.
Export without surprises
3 minPNG from canvas is easy until it is tainted, the wrong size, or the wrong color space.