Any size, any paper
Set a target size in cm or inches and GridPrint splits it across as many pages as needed. Configurable margins and overlap so pages align when you tape them together.
Free & private
Print large from any printer
Print images at exact size — from a single page to a wall-sized poster split across multiple sheets.
Upload an image, set the exact dimensions you need, and get a print-ready PDF. Single page or multi-page with crop marks and assembly guide. Free, works offline, no account needed.
Three steps to a giant print
01
Drop in your image
Drag & drop, paste from clipboard, or pick a file. PNG, JPG, SVG, WebP — anything works.
02
Set the size you want
Choose your target dimensions in cm or inches. Pick your paper (A4, Letter, A3) and GridPrint figures out the grid.
03
Print & assemble
Download a multi-page PDF with crop marks, overlap guides, and an assembly map. Print at 100%, cut along the marks, and tape it together.
Everything you need to print big
Built-in image effects
Edge detection for tattoo stencils, halftone for screen-print looks, background removal, brightness, contrast, and color tint. No Photoshop needed.
Print-shop quality PDF
Every PDF includes crop marks, registration marks, overlap guides, a scale ruler, gray bar, and an assembly guide with tips. Exclude pages you don't need with one click.
Your images stay on your device
All processing runs in your browser. Images are never uploaded to any server. No account, no sign-up. Optional anonymous analytics you can decline with one click.
One-click presets
Tattoo stencil, B&W poster, halftone art — start with a preset and tweak from there. Save your own settings for next time.
Works without internet
Install as a PWA and use GridPrint anywhere — on a flight, at a workshop, wherever. All features work offline after first load.
What people print
Wall-sized posters
Turn any photo or artwork into a poster that covers an entire wall. Print across A4 or Letter pages and assemble at home.
Tattoo stencils
Convert designs to stencils with edge detection and print at exact body-placement size for transfer paper.
Classroom & office displays
Banners, bulletin boards, and presentation posters from any office printer. No print shop, no waiting.
Craft patterns & templates
Sewing patterns, woodworking templates, cosplay armor pieces — print full-scale on regular paper.
RPG & battle maps
Print tabletop RPG maps at exact grid scale. D&D, Pathfinder, and other systems — one-inch squares on your table.
Woodworking templates
Scroll saw patterns, intarsia designs, and furniture templates at full cutting size. Print, tape, and transfer.
Party backdrops & banners
DIY photo booth backdrops, birthday banners, and event signage. Print life-size on regular paper.
Floor plans & blueprints
Print architectural layouts and technical drawings at scale. No plotter needed — tile across standard pages.
Mural stencils
Scale art to wall size and print outlines for tracing. Community murals, school projects, or accent walls.
Exact-size prints
Print any image at precise physical dimensions — 15 cm means 15 cm on paper. No Photoshop, no scaling math.
Why GridPrint
Skip the print shop. Skip the subscription. Just print.
| GridPrint | Print shop | Other online tools | |
|---|---|---|---|
| Cost | Free | $15–50+ per poster | Free tier or paid plans |
| Privacy | Images never leave your device | You hand over your files | Images uploaded to their servers |
| Speed | PDF ready in seconds | Hours to days | Minutes (with upload) |
| Works offline | Yes | No | No |
| Image effects | Stencil, halftone, edge detection, tint | Limited or extra cost | Rarely included |
| Assembly guide | Included in every PDF | Not applicable | Rarely included |
| Account required | No | Usually | Usually |