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booklet

Turns a PDF into an A4 booklet: print double-sided, fold, staple, and you have an A5 booklet. Runs in your browser; nothing is uploaded.

Works offline too: and open the file from your computer.

presets

settings

sheet

Layout

Binding

Blank pages

scale

Size

Landscape pages

Drawing scale 1:

creep (optional)

Compensation

In a thick booklet the inner pages stick out after folding. Off by default; it only matters past roughly ten sheets.

preview

Printer margin, mm

The red band is the edge most printers cannot reach. It is only drawn here, never in the PDF.

Use “test sheet” first: if its bars measure 100 mm and the pages read in order after folding, the printer is set up right.

Made with pdf-lib (MIT) and pdf.js (Apache 2.0), both included in this file.