How to Spot AI-Generated Images: 7 Tell-Tale Signs

Scroll through your feed for five minutes and you'll see one. A jaw-dropping cabin in the mountains. A baby holding a giant fish. A celebrity in a situation that never happened. AI-generated images are everywhere now, and the newest ones look scarily real at first glance.

But here's the good news: they still leave fingerprints. Once you know what to look for, you can spot most AI fakes in a few seconds. Here are the seven signs that give them away.

1. The hands are wrong

This is the classic tell. AI image generators have gotten much better, but hands remain their weak spot. Count the fingers. Look for extra knuckles, fingers that melt into each other, or a thumb growing out of the wrong side of the hand. If someone in the photo is holding an object, check where the fingers meet it — that's where the weirdness usually shows up.

2. Teeth look painted on

Zoom in on any big smile. Real teeth have individual shapes, slight imperfections, and natural spacing. AI teeth often look like a single white strip, or the teeth blur together into a smooth, uniform band. If the smile looks like it was painted with one brush stroke, be suspicious.

3. Text is gibberish

This one is almost foolproof. AI generators are notoriously bad at rendering text. Check signs, t-shirts, book covers, and storefronts in the background. If the letters are warped, misspelled, or dissolve into meaningless squiggles, the image is AI-made. A "STOP" sign that reads "STQP" is a dead giveaway.

4. Skin is too perfect

Real human skin has pores, tiny blemishes, and uneven texture — especially in close-ups. AI-generated faces often have an airbrushed, plastic look, like a mannequin. The flip side also happens: weird glossy patches or a waxy sheen across the cheeks and forehead. Either extreme is a red flag.

5. The background melts

AI models focus their effort on the main subject and get sloppy with the background. Look at the edges of the photo: railings that bend impossibly, staircases that lead nowhere, windows that don't line up, or crowds of people whose faces blur into each other. Straight lines — fences, tiles, building edges — are especially revealing, because AI struggles to keep them straight.

6. Lighting doesn't match

Study the shadows. In a real photo, all shadows fall in one consistent direction based on the light source. In AI images, you'll sometimes find shadows pointing different ways, or a person's face lit from the left while their shadow falls to the left too. Earrings and glasses are great for this check: reflections in them should match the scene, but in AI images they often show a completely different environment.

7. Everything is a little too perfect

This is the vibe check. AI images tend to be hyper-polished: impossibly dramatic sunsets, perfectly symmetrical compositions, food that looks too glossy, interiors with no clutter anywhere. Real life is messy. When every element of a photo feels staged to perfection and there isn't a single ordinary detail, your instincts are probably right.

What to do when you're not sure

No single sign is proof on its own — real photos can have odd shadows, and AI keeps improving. The trick is to stack the clues: if the hands are weird and the background text is gibberish and the skin looks like plastic, you've got your answer.

You can also run the image through Google's "About this image" feature (right-click the image in Chrome) to see where else it has appeared online. If a dramatic "news photo" only exists on meme pages and has no credible source, treat it as fake until proven otherwise.

The takeaway

AI images aren't going away, and honestly, most of them are harmless fun. The skill that matters is pausing for three seconds before you share. Check the hands, read the background text, look at the skin — and if something feels off, don't hit that share button. Your friends and family will thank you for not forwarding the 40-foot alligator.

Related reading

• Consistent Characters in AI Images: Keep the Same Face Across Every Scene — how creators keep AI faces consistent
• Prompt Engineering for AI Images: A Framework That Works Every Time — the 6-ingredient stack for better AI stills
• How to Batch-Resize and Compress Images with Python (Free, No Photoshop) — shrink real photos without losing quality