Calc.pet

Lost pet poster generator

Fill in your pet's details, add a clear photo, and download a print-ready poster with the contact phone number front and center, sized to be read from a distance.

The photo is processed only in your browser — it's never sent to any server.

Real-time preview — the downloaded PNG is high-resolution, ready for printing.

Your privacy is guaranteed

This generator runs 100% in your browser: the pet's photo, phone number, and other details you type in are never sent to any server. The poster is assembled locally, on your screen, and only leaves your device if you download or share the generated PNG file yourself.

How the calculation works

Post the poster in high-traffic spots near where the pet went missing: corner utility poles, school gates, grocery stores, pharmacies, vet clinics, and pet stores in the area. Ask for permission where required.

Use a recent, sharp photo taken in good light that clearly shows the pet's colors and markings — blurry or distant photos make it harder for a passerby to recognize the pet quickly.

The phone number needs to be readable from far away, including by people driving past. That's why this generator places the number in large type at the bottom of the poster, in the highest-contrast color.

After printing, protect the poster from rain and sun by placing it inside a clear plastic sleeve or laminating it — a poster that's unreadable after a day of rain loses all its usefulness.

Frequently asked questions

Where can I print the lost pet poster?

The generated PNG is high resolution, ready for printing at any copy shop, quick-print store, or color home printer. It's also common to print it on regular letter/A4 paper and laminate it (or slip it into a plastic sleeve) so the poster can withstand rain and sun.

What size should I print the poster at?

The poster's proportions are designed for Letter or A4 paper, enlarged if possible. Choose the largest size your printer or print shop allows — the bigger the poster, the easier it is to read from a distance, especially for people driving or biking by.

Is the poster alone enough to find my pet?

No. Besides putting up physical posters, share the same photo and details in neighborhood groups (WhatsApp, Facebook, Nextdoor), on social media with the location tagged, and notify pet stores, veterinary clinics, rescue organizations, and your local animal control in person. The more channels you use, the higher the chance someone recognizes your pet.

Does offering a reward actually help find the pet?

A reward tends to increase engagement from people who see the poster and motivates neighbors to actively search or spread the word. It's not required, but if it fits your budget, it can speed up tips coming in — including from someone who found the pet but was hesitant to reach out.

Are the first few hours after a pet goes missing really the most important?

Yes. Most lost pets are found relatively close to where they went missing, especially within the first 24 to 48 hours. Start searching and putting up posters as soon as possible: check under cars, in vacant lots, and nearby storm drains, and talk to your immediate neighbors before widening the search radius.

Important notice

This calculator is for educational purposes and does not replace a veterinary evaluation. When in doubt, consult a veterinarian.