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Animal vision simulator: see your photo through animal eyes

Free: 12 animals · Your photo stays on your device.

Red tulips under a blue sky, as you see them. The same tulips as a dog sees them: the red petals turn khaki and blend with the stems, the sky stays blue.

You can also drop a photo anywhere on this page.

Turn your own video into an animal-eye video

Choose an animal

Dog. Next: Cat.

Views

Colour-blind friend (human, not an animal)

Simulates people with two cone types (dichromats) with the Brettel, Viénot and Mollon 1997 model.

About this animal's eyes

Share and save

You may post the images and videos you make from your own photos anywhere, including social media. Free exports carry a small watermark.

Reveal video

A 9:16 video that wipes from your photo to this animal (longer videos add more animals). Made on this device. Each video uses 1 from a pack of 10.

Your own video through animal eyes

Choose a clip of up to 30 seconds (MP4, MOV or WebM, up to 1080p). This device turns it into a 9:16 video of 9, 15 or 27 seconds through the chosen animal's eyes, without sound. Nothing is uploaded. Each video uses 1 from a pack of 10.

Controls
How wide the photo is, in degrees across its width. Phone main camera: about 65°. Sets how blur and eye-facet sizes map to pixels.
Photos hold no ultraviolet. 1 = UV estimated from the smoothest spectrum that matches each pixel (an assumption); 0 = no UV information (the UV receptor just follows brightness).
Darkens the scene and applies this animal's low-light gain and noise (engine rule, not a measured sensitivity).
Pit vipers sense infrared with separate pit organs, not their eyes. A photo has no temperature, so this optional overlay marks only the brightest areas as "warm". It never tints the eye's colour view. Off by default.
Pipeline steps (for checking each effect)

Last render: not yet.

How it works

The simulator turns published measurements of animal eyes (colour receptors, sharpness, field of view, night vision and motion) into a render of your photo, on your device. This is a simulation built from published eye measurements, not what the animal experiences. How it works.

Popular animals

How do cats see? · How do dogs see? · How do horses see? · How do bees see? · How do red-tailed hawks see? · How do flies see?

Unlock all animals

Payment by an adult (18+) through PayPal. Information for parents · Share the details · Buy it as a gift

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What we keep and why

PayPal handles the payment and sends its receipt; our confirmation is shown here after payment. We keep your PayPal email and your country (for refunds and tax records; as tax evidence your PayPal account country, billing or shipping country and card issuing country when PayPal provides them, and connection country; we also record the PayPal fee). After payment you see a licence code: keep it to unlock your other devices. Privacy

Restore a purchase

Enter the licence code shown after your purchase. It works on any device.

Redeem a gift

Flashing and fast motion

This effect speeds up the video or pulses the brightness. We limit it to fewer than 3 flashes per second, but some people are sensitive to flashing light or fast motion. If that includes you, choose Normal speed.