Any size backdrop
Small tabletop sign or full wall display. Set your dimensions and GridPrint splits it across A4 or Letter pages with overlap guides so the sheets line up when you tape.
Free — runs in your browser, no install
Print a big party backdrop at home
Upload your photo, set the exact backdrop size, and split it across A4 or Letter pages so you can print the whole thing on a regular home printer.
GridPrint tiles your photo across as many pages as the size needs, with crop marks and overlap guides on every sheet. Print at 100% scale, cut along the marks, and tape the pages into one big party backdrop or birthday banner. Birthday walls, wedding signage, photo booth backdrops — ready the night before the party.
Three steps to a party backdrop
01
Upload your photo
Drop in any image — birthday portraits, team logos, themed graphics. PNG, JPG, WebP.
02
Set the size you need
Enter dimensions in feet, cm, or inches. A 6x4 foot backdrop on A4 is about 30 pages.
03
Print, cut, hang
Print at 100%, cut along the marks, tape together. Hang with removable tape or clips.
Party prep, sorted
Adjust your photo
Brightness, contrast, and color tinting built in. Make your image pop without switching to another app.
Last-minute friendly
Upload, set size, print. Start to finish in minutes. No design skills required.
Free, every time
No signup, no watermark, no "upgrade for HD." Use it for every party, every event.
Frequently asked questions
How do I print a party backdrop bigger than A4 or Letter?
Upload your photo and set the backdrop size in feet or cm. GridPrint splits it across as many A4 or Letter sheets as the size needs, with overlap guides on every page. Print at 100% scale (turn off "fit to page"), cut along the marks, and tape the sheets together into one big backdrop.
How big can the backdrop go?
As big as you want. A 6-foot wide backdrop on Letter paper is about 6 pages across; a full wall (10 feet) is about 10 across. GridPrint handles the math and the numbered assembly map shows where each page goes.
How do I assemble the pages?
Every page has overlap margins. Print at 100%, cut along the crop marks, overlap adjacent sheets, and tape them from behind. Hang the finished backdrop with removable tape, clips, or a backdrop stand.
Will a phone photo look good that big?
For backdrops viewed from a few feet away, most phone photos work fine. GridPrint shows a DPI warning if the resolution is too low for the size you picked.
What paper should I use?
Regular A4 or Letter printer paper works for most backdrops. Use photo paper for glossier results, and laminate the pages before assembly for outdoor use. GridPrint outputs a standard PDF that prints on any media your printer supports.
Can I make a banner?
Yes. Set a wide, narrow size (e.g., 6 feet x 1 foot) and GridPrint tiles it across a single row of pages that you tape into one long birthday banner.