PDF Booklet Composer (Saddle Stitch)

Reorder pages so duplex-printing produces a folded booklet.

Rearrange a PDF into booklet (saddle-stitch) order instantly. Free imposition tool for folded booklets.

Calculator Inputs

Up to 50 MB. File never leaves your browser.

About Booklet Layout

Reorder pages so duplex-printing produces a folded booklet.

Applies standard saddle-stitch imposition: pairs pages as (outer, inner) so that after duplex printing and folding the order reads correctly. Sizes are doubled in width — print each output sheet 2-up on A4.

Where it is used

Saddle-stitched manuals, zines, photo books.

How to use the Booklet Layout

  1. PDF File (page count multiple of 4 preferred) — select a file (application/pdf,.pdf) — Up to 50 MB. File never leaves your browser..
  2. Output Sheet (2 pages per side) — enter the value.
  3. Calculate — press the Calculate button to see the result instantly above.

Formula

Reindex pages into pair order: (last, first), (second, second-last), …

Examples

Example

Result: 8 pages → 4 sheets in booklet order

Frequently Asked Questions

Blank pages added?
Yes — when the page count is not a multiple of 4, blanks are padded (reported in results).