How to print your photo mosaic

A photo mosaic is two pictures at once: the big image you see from across the room, and the hundreds of small photos that appear when you walk closer. Printing it well means giving both views enough resolution and the right paper.

1. Pick your size first

Mosaics reward size. A 12×18 in print fits a shelf and reads well from 3 feet. 18×24 in is the most popular gift size — large enough that recipients can step in and find their faces. 24×36 in or larger is where a mosaic stops being a photo and becomes a wall piece.

• Desk / shelf: 8×10 in or 12×18 in (20×30 cm)
• Gift / framed wall: 18×24 in (45×60 cm)
• Statement piece: 24×36 in (60×90 cm) and up

2. Resolution and DPI

Print shops want 300 DPI for sharp results at arm's length. For a 24×36 in poster that's 7200×10800 pixels. ManyTiles' high-resolution download is sized so each small tile is large enough to print clearly — choose your final print dimensions before downloading and the file will hit the DPI you need.

For very large prints (30×40 in / 75×100 cm and bigger) viewed mainly from a few feet back, 200 DPI is acceptable and keeps the file under typical upload limits.

3. Paper: matte beats glossy

Glossy paper looks great for single photos but works against a mosaic. The thousands of small tiles each have their own highlights, and gloss multiplies them — at the wrong angle the grid goes white. Matte and satin papers absorb that glare and let both the big image and the small tiles read clearly.

Premium options worth the upgrade: fine-art matte (Hahnemühle, Canson) for framed gifts; metal or acrylic prints for a modern statement piece (skip the gloss layer if offered).

4. Color and auto-correction

Tell the print shop to disable auto color correction. A mosaic is intentionally made of mismatched small photos; auto-correction tries to "fix" the variation and washes out the effect. ManyTiles ships sRGB PNGs that print accurately as-is.

5. Where to print

• Online: Mpix, Printful, Posterjack, Whitewall, Shutterfly
• Local: FedEx Office, Staples, independent print shops
• Premium: any fine-art print lab that accepts custom-size matte prints

Frequently asked

What DPI do I need to print a photo mosaic?

300 DPI is the print-shop standard for sharp results when viewed up close. For very large posters (24×36 in / 60×90 cm and bigger) viewed mostly from a few feet away, 200 DPI is enough and keeps file sizes manageable.

What size should I print my mosaic?

12×18 in (30×45 cm) works for a desk or shelf. 18×24 in (45×60 cm) is the sweet spot for gifts. 24×36 in (60×90 cm) and larger turns the mosaic into a wall piece where the small photos become readable up close.

Glossy or matte paper for a photo mosaic?

Matte or satin is usually better. A photo mosaic has thousands of small photos with their own highlights — glossy paper amplifies reflections and makes the tile grid harder to read. Matte gives a cleaner, more painterly look.

How do I get a high-resolution file from ManyTiles?

After previewing your mosaic, choose the high-resolution download. ManyTiles renders a print-ready PNG with no watermark, sized so each small tile prints clearly at the size you choose.

Where should I print it?

Local print shops (FedEx Office, Staples), online services (Mpix, Printful, Posterjack, Whitewall), and big-box photo counters all accept ManyTiles' PNG output. Upload at full size and choose 'no auto-correction' so colors don't shift.

Ready to make one? Build your mosaic with ManyTiles — free preview, one-time fee for the print-ready file.