Tiled Printing PDF

Split one picture across a grid of ordinary sheets, download a print-ready PDF, and tape them into a poster.

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Tiled Printing: a Wall-Sized Print From an Ordinary Printer

Tiled printing means splitting one picture across a grid of ordinary sheets so a normal printer can produce something far larger than its paper tray. A home or office printer stops at A4 or Letter, but a poster does not have to. Spread one picture across a grid of sheets, print them, trim the overlaps and tape the back, and a 2 by 3 grid of A4 becomes a print about 41 by 87 centimetres. Nothing is needed beyond the printer you already have and some tape.

Drop an image in and the preview shows the finished poster with the seams drawn on it and every sheet labelled, so you can see how it will break up before spending any paper.

How to Print a Big Image on Multiple Pages

Load the picture, then set the four things that decide the result: the paper in your tray, whether the sheets are portrait or landscape, how many columns and rows you want, and how much the sheets overlap. The panel keeps telling you the finished size and the number of sheets as you change them. Download the PDF, or press Print to go straight to the printer dialog. Either way you get one page per tile in reading order - A1, A2, then B1, B2 and so on, matching the labels drawn on the preview. The pages themselves come out clean: the labels and seam lines exist on screen only, so nothing is printed on your poster but the picture.

Overlap, and Why It Matters

Overlap is the strip that each sheet repeats from its neighbour. Without it you have to butt the edges together perfectly and any error shows as a white line; with 10 millimetres you get something to cut along and something to glue, and small misalignments disappear into the seam.

It also changes the poster size, which surprises people. The sheets advance by the sheet width minus the overlap rather than by a whole sheet, so more overlap means a slightly smaller finished poster for the same grid. The size shown in the panel already accounts for it.

Printers also refuse to print the outermost few millimetres of a page, and that unprintable border eats into the overlap. If your printer leaves a wide white edge, either raise the overlap or trim the borders off before taping.

Whole Picture, or Fill the Paper

A poster grid rarely has the same shape as your photograph. Whole picture keeps the entire image and leaves white bands on two sides where the shapes disagree. Fill the paper scales the image up until it covers every sheet, which loses the edges but gives a print with no blank paper. Changing the number of columns or rows to something closer to the picture's own proportions is often better than either.

Neither preset decides for you which part of the picture ends up on the wall, so you can also place it yourself. Drag the preview to move the picture inside the poster, and scroll, pinch or use the Zoom slider to make it bigger or smaller. Zooming works around the pointer, so whatever you are looking at stays where it is. This is how you crop to a face, cut out an empty foreground, or push a wide photograph across a tall grid without letterboxing it.

The two buttons are the way back: choosing Whole picture or Fill the paper resets the zoom to 100% and re-centres the picture, and so does a double click on the preview. You can never lose the picture off the edge - zoomed in, it always covers every sheet with no blank strip, and zoomed out below the preset it stays on the poster.

How Big Will It Actually Be?

Every sheet you add makes the poster larger and the picture softer, because the same pixels are being stretched further. As a rough guide, a printed picture wants around 150 pixels per inch to look convincing at arm's length and 300 to survive close inspection. A 4000 pixel wide image across three A4 sheets in portrait means roughly 610 millimetres of paper, which works out near 165 pixels per inch - fine on a wall, soft in the hand.

The image size finder reports what your file measures and what it comes to at 300 DPI. For a single sheet without any of this grid arithmetic, print image is the simpler page.

Assembling It

Print everything, then lay the sheets out face up in the grid before you cut anything. They come out of the printer in reading order and carry no markings, so keep them in the order they printed and use the labelled preview on screen as your map. Trim the overlap from one sheet of each pair - the right-hand and lower sheets are the usual choice - so one clean edge meets one untrimmed one. Tape along the back, working across a row and then down, and keep the tape off the front unless you want it to show under a light.

Private and Free

The picture never leaves your device. It is read, laid out and handed to your printer in the browser, and the pages sent to the printer are an isolated document holding nothing but your image - no header, no menu, no advertising on your paper. There is no signup and no watermark.

Frequently Asked Questions

What is tiled printing?

Printing one image across several sheets of paper instead of one, so the pieces can be joined into a single large print. Each sheet is called a tile, and the picture is divided so that tile by tile it adds up to the whole. It is how you get a poster out of a printer that only takes A4.

How do I print a big image on multiple pages?

Load the picture here, choose how many columns and rows of sheets you want, then download the PDF or press Print. You get one page per tile, so a three by two grid arrives as six pages in reading order, and each page holds only the picture.

How do I print a poster on multiple pages?

Load the image here, choose the paper size, set how many columns and rows of sheets you want, then download the PDF or press Print. Each tile becomes one page, in the same order as the labelled preview on screen. The printed sheets carry nothing but your picture.

How many sheets should I use?

Two by two or two by three is the usual starting point and gives a poster around 41 by 58 or 41 by 87 centimetres on A4. Beyond that the print grows softer as the same pixels stretch further, so the sensible limit depends on your image rather than the tool, which allows up to eight by eight.

Why is my poster slightly smaller than the sheets add up to?

Because of the overlap. Each sheet repeats a strip of its neighbour, so the sheets advance by less than their full width and the finished poster is smaller than the raw arithmetic suggests. Setting the overlap to zero gives you the full size, at the cost of having no margin for error when you join them.

Can I zoom in or move the image?

Yes. Drag the preview to move the picture inside the poster, and scroll, pinch or use the Zoom slider to scale it between 50% and 600%. Zooming happens around the pointer, so the part you are looking at stays put. It is how you pick which part of a photo becomes the poster rather than accepting a centred crop. Whole picture, Fill the paper, or a double click on the preview all put it back.

How do I crop the image to just part of it?

Zoom in until the part you want fills the poster, then drag it into place. Everything outside the poster edge is simply not printed, so positioning the picture is the crop - there is no separate cropping step, and the sheets still come out of the printer edge to edge.

Can I print the whole picture without cropping?

Yes, that is what Whole picture does, and it is the default. If the grid is not the same shape as the picture you get white bands on two sides; Fill the paper removes them by cropping the edges instead.

Does anything get printed on the poster?

No. The seam lines and the A1, B2 labels are drawn on the preview to help you plan and assemble, and they exist on screen only. Every printed page and every page of the PDF holds nothing but your picture, and the pages are built as a separate, isolated document so nothing from this site can appear on the paper either.

Can I download it as a PDF?

Yes, and that is the main button. The PDF has one page per sheet at the exact paper size you chose, so it prints correctly anywhere - your own printer, a copy shop, or a print service. The picture is embedded once and shared by every page, so a six-sheet poster is barely larger as a file than a one-sheet one.

Is my image uploaded anywhere?

No. Everything happens in your browser on your device, and the pages go straight to your printer. Nothing is transmitted, and the tool keeps working with the network disconnected once the page is open.