Footnotes & Sidenotes

Context switching without losing place.

The Marginalia Revival

Traditional footnotes force the eye to the bottom of the page and back. Sidenotes keep the context horizontally aligned.

Sidenotes reduce context-switching time by 400ms compared to traditional endnotes (Tufte Analysis, 2018).

Common Footnote Mistakes

MistakeImpactSolution
Jumping to the end of the bookReader loses their exact line.Inline expansion on tap.

Sidenote Width Calculator

FAQ

What about mobile screens?

Sidenotes collapse into traditional tap-to-expand footnotes on screens narrower than 768px.