Windshield QR

How it works

What happens when you scan it?

The windshield QR carries your phone number, your car's make/model and color, and a short note. When you create it without an account, the details are written into the code as plain text; no internet is needed and the person scanning can tap the number to call you.

If you save the code to your account, it becomes a car card: the person scanning lands on a page with Call, SMS and WhatsApp buttons. You can change your note (like “Back in 5 minutes”) and your number from your dashboard anytime without reprinting the code, and switch the card off whenever you like.

The license plate is optional. Adding the make and color is usually enough to show the code belongs to your car.

Content written into the code

To reach the owner of this car:
Phone: +15551234567
Car: Toyota Corolla · White

Back right away, feel free to call.

The sample QR above carries exactly this content. When you fill in the form, we build this format for you.

Use cases

Where is it useful?

Parking lots and streetsLet the owner of the car you blocked call you.

Residential and office parkingSecurity staff can reach you right away.

Damage and accidentsSomeone who hits your car or spots a problem can let you know.

Family and fleet vehiclesWhoever drives the car has their number on the card; update it when the driver changes.

Fields

What do you fill in?

The fields you'll see in the generator. You can leave optional ones empty; empty fields aren't added to the code.

Phone number Example: +1 555 123 4567 Necessary

Make / model Example: e.g. Toyota Corolla Optional

Color Example: e.g. White Optional

License plate Optional. Optional

Note Save it to your account to change the note and number later without reprinting the code. Optional

Step by step

Ready in four steps

1Enter your numberEnter your phone number with the country code.
2Describe the carAdd the make/model and color; plate and note are optional.
3Download or saveDownload right away, or save to your account to change the note later.
4Print and stickPrint the QR at least 4 cm wide and place it on the inside of the glass.

Tips

For best results

Place the code on the inside of the windshield, in a corner that's easy to scan from outside.
Print on laminated or glossy paper so it doesn't fade in the sun.
Write “Scan to reach the owner” next to the code.
If you saved it to your account, download the QR to print from your dashboard; a code downloaded before saving is static.

Before printing

Print the code at least 2 × 2 cm; make it bigger as scanning distance grows (about 1/10 of the distance).
Use a dark pattern on a light background. Some phones can't read inverted codes.
Don't crop the space around the code; the quiet zone is needed for readability.
Send SVG to the printer; as a vector it stays sharp at any size.
Test the final print file with at least two different phones.

FAQ

Windshield QR

Can I change the note later?

Yes, if you saved the code to your account: change the note and number in your dashboard and the printed code stays the same. The details in a static code downloaded without saving can't change.

Will my number be public?

Anyone who scans the code can see your number. You can switch off a saved car card anytime; while it's off, your number isn't shown.

Is the internet required?

A static code works offline. A saved car card is a web page, so it needs internet.

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