Use the free Magic Eye Stereogram Maker below: upload a photo, adjust the settings, and download your result as a PNG. Your image never leaves your browser — all editing happens on your device, and nothing is uploaded to any server.
What Is a Magic Eye Stereogram?
A Magic Eye stereogram is a flat picture that hides a three-dimensional shape. At first glance it looks like nothing but a noisy pattern of dots. When you relax your eyes and look through the image, as if you were staring at something behind it, a shape rises out of the pattern. Circles, stars and rings seem to float above the background. The effect feels like magic, but it is pure geometry: your two eyes see slightly different versions of the same pattern, and your brain turns that difference into depth.
These pictures were hugely popular in the 1990s, when whole books of them sold millions of copies. The trick never really went away. It still works as a poster, a classroom demo and a fun puzzle to share with friends. The Magic Eye Stereogram Maker on this page lets you create one in seconds, free, in your browser.
How the Tool Works
The tool builds the stereogram from a repeating strip of random dots. The strip is 120 pixels wide, and it is tiled across the whole image. Then the tool shifts the pattern sideways by an amount that depends on depth. Where the hidden shape is near, the shift is large. Where the background sits far away, the shift is small or zero. Your eyes pick up the difference between the shifted copies, and your brain reads it as depth.
You can choose the hidden shape: a circle, rings, a star, a heart or a pyramid. Each shape has its own depth map, a simple model of what is near and what is far. The depth strength slider controls how far the shape seems to float. A low value gives a gentle rise. A high value gives a dramatic pop, but if you push it too far the pattern starts to break apart and the shape becomes hard to fuse.
You can also upload your own depth map. In a depth map, white means near and black means far. A photo converted to grayscale can work, but the cleanest results come from simple shapes with smooth shading. A portrait with soft gradients, for example, can produce a surprisingly good face rising out of the dots.
How to See the Hidden Shape
Seeing a stereogram takes a little practice, and that is part of the fun. Hold the image at arm’s length and relax your eyes, as if you were looking through the screen at the wall behind it. Do not try to focus on the dots. After a few seconds the pattern should double up, and then the shape will snap into view. Some people find it easier to bring the image close to their nose and then slowly move it away while keeping their eyes relaxed.
If you wear glasses, keep them on. If the shape appears but looks inverted, with the background floating instead of the shape, try crossing your eyes slightly instead of relaxing them. Different people fuse the image in different ways. Once you see it once, you will find it much easier the second time, and you can teach friends by telling them to look through the picture rather than at it.
Tips for a Better Stereogram
Simple, bold shapes work best. A circle or a star is easy to see. A detailed scene with many small parts is hard, because the eye needs clean edges to lock onto. Start with the circle at medium depth, and only move to your own depth maps once you can see that reliably. The random dots pattern is the classic choice and usually the easiest to fuse. The fine noise pattern looks sharper but can be harder on the eyes. The colour dots pattern is the most playful, and it makes a great poster.
Size matters too. A stereogram shown too small is hard to fuse, because the shift between copies becomes tiny. Download the PNG at full size and view it on a large screen or print it.
Where to Use Stereograms
Stereograms make excellent classroom material for lessons about vision, depth perception and how the brain builds a 3D world from two flat images. They also make fun birthday cards, puzzle pages and social media posts. A hidden message shape, like a heart for a greeting card, is a lovely surprise. Because the output is a standard PNG, you can print it, frame it or share it anywhere images work.
Privacy
Your depth map never leaves your browser. The whole stereogram is generated on your own device with the Canvas API. Nothing is uploaded, nothing is stored, and no account is needed. Close the page and your image is gone.
Frequently Asked Questions
Why can’t I see the shape? Relax your eyes and look through the image, not at it. Bring it close to your nose and slowly move it away. Most people get it within a minute or two.
Does it work for everyone? Most people can see stereograms, but people with very different vision in each eye, or with certain binocular vision problems, may find it difficult or impossible. That is normal and nothing to worry about.
Can I use the result anywhere? Yes. The PNG you download is yours to print, share or post.