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Mofumi PDF

Lossless Slicer

Slice large drawings (A0, A1, A2) into printable A4 or A3 tiles at 100% scale.

100% Private — files never leave your device
Upload PDFDrop files here or click to chooseAccepted: PDF Files never leave your device

About this tool

Lossless Slicer cuts large-format pages — engineering drawings, architectural plans, maps, posters — into as many A4, A3 or Letter tiles as needed, keeping them at exactly 100% scale. Taped together, the tiles reproduce the original at its true size, so measurements on the drawing stay correct.

Tiles overlap by a few millimetres for easy assembly, with cut marks and row/column labels on every sheet. Orientation can be chosen automatically to use the fewest sheets.

Unlike printing to image, nothing is rasterised: lines and text remain vector, as sharp as the original CAD export.

Engines: pdf-lib

How to use

  1. 1

    Upload the large-format PDF.

  2. 2

    Choose tile size, orientation, overlap, cut marks and labels.

  3. 3

    Click Slice, print the tiles at 100% and assemble them by their labels.

Use cases

  • Site drawings

    Print an A1 plan on A3 sheets for the site office.

  • Sewing patterns

    Print an A0 pattern at true size on a home printer.

  • Maps

    Tile a large map for a wall or field trip.

Frequently asked questions

Why 100% scale?

So measured distances on the printed drawing match the real dimensions. Use Posterize PDF if you want to enlarge or shrink instead.

How many tiles will I get?

As many as needed to cover the page at full size; an A1 page needs about 8 A4 tiles.

Will my printer's margins cut content?

The overlap covers typical printer margins. Increase it if your printer has wide unprintable edges.

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