We Analysed Thousands of Real Print Checks. Here's What People Get Wrong.

Since launch, people have run around 2,000 image checks through PrintSizeChecker and prepared 500+ print-ready files. The single clearest finding:

Nearly 1 in 4 recent print files were flagged "poor / pixelated" — headed for a disappointing print — before the tool caught it.

That's not a criticism of the people using it. It's the entire reason the tool exists: the problem is invisible on screen and only shows up on paper. Here's what the numbers say.

Finding 1: Almost a third of prints were headed for trouble

In a recent sample of prepared downloads, the quality breakdown looked like this:

• ~63% EXCELLENT — plenty of resolution for the chosen size
• ~8% GOOD — solid
• ~6% FAIR / RISKY — borderline, would likely show softness
• ~23% POOR / PIXELATED — not enough pixels; the print would look blurry

So roughly 29% — nearly one in three — were "fair" or worse, and almost a quarter were outright poor. Every one of those is a print order that would have arrived disappointing if it had gone straight to the lab.

Why it happens: a photo that looks crisp on a screen can be far too low-resolution for print. Screens show images at around 72–96 pixels per inch; labs print at 300. The screen makes low-res files look fine — right up until the print arrives.

Finding 2: The most-checked print size is 5×7 inches — by a mile

The sizes people actually check, most-popular first:

1. 5 × 7 inch — by far the most common (nearly 4× the next size)
2. 8 × 10 inch
3. 4 × 6 inch
4. 12 × 17 inch
5. 11 × 14 inch

The takeaway: most people aren't checking huge canvas prints — they're checking small, classic photo sizes. Which makes the poor-quality rate more surprising: if images are struggling even at 5×7, the source files are often smaller than people realise.

Finding 3: 1 in 5 uploaded images was too small for a quality print

Looking at the images people uploaded:

• Median upload: ~8.4 megapixels — fine for standard sizes
• But ~21% were under 2 megapixels — too small for a sharp print at most sizes
• The range ran from 0.19 MP (far too small) all the way to 42 MP

That 21% lines up neatly with the poor-quality rate above. A 2-megapixel image is fine for a phone screen or social media, but it simply doesn't contain enough detail for a sharp 8×10 print. This is the single most common, most fixable mistake — and the hardest to spot without checking, because the image looks perfect on your phone.

Finding 4: People check at screen resolution — a telltale misconception

One of the more revealing patterns: a large share of checks were run at 72 DPI — the resolution of a screen, not a print. That's a fingerprint of the exact misconception that causes bad prints: assuming that "looks sharp on my monitor" means "will print sharp." It won't. Print needs roughly 3–4× more pixel data than a screen to look equally crisp.

If you take one thing from this data: judge print readiness by the numbers, not by how it looks on your screen.

Finding 5: This is a global problem

Checks came in from around the world — led by the United States, followed by Australia, the United Kingdom, and a long tail including Sweden, Japan, the Netherlands, Italy, and Indonesia. Bad-print anxiety, it turns out, is universal.

What this means for you

If you're about to order a print:

• Check before you order. Nearly a third of files in this data would have printed poorly — and every one of those was avoidable with a 5-second check.
• Don't trust the screen. The most common mistake is assuming a screen-sharp image is print-ready. Judge by resolution, not appearance.
• Bigger isn't always the risk — small source files are. Even modest 5×7 prints need more pixels than a typical phone screenshot or downloaded social image provides.
• Know your minimum. As a rough guide, multiply your print size (in inches) by 300 to get the pixel dimensions you need. An 8×10 at 300 DPI wants roughly 2400×3000 pixels — about 7 megapixels.

Methodology & honesty note

These figures come from anonymous, aggregated usage of PrintSizeChecker — image dimensions, chosen print sizes, and the tool's own quality rating. We never see or store the images themselves; all processing happens in your browser. As noted at the top, this is early data from a young tool and includes some of our own testing, so treat the exact percentages as directional. We'll refresh this page as the dataset grows. For full detail on what we record, see our Privacy Policy.