QRVolt — Guide & FAQ

What is a QR code?

A QR code (Quick Response code) is a two-dimensional barcode that stores information in a grid of black and white squares. Unlike a traditional barcode, a QR code can hold much more data and can be scanned from any direction using a smartphone camera. When scanned, it can open a website, connect to Wi-Fi, add a contact, send a message, or perform many other actions instantly.

How QRVolt works

QRVolt generates QR codes entirely inside your browser. The text or link you enter is encoded on your device and turned into a downloadable image. Nothing is uploaded to a server, which means your data stays private. You can export the result as PNG, JPG, WebP, SVG, or PDF, copy it to the clipboard, or print it.

What can you create with QRVolt?

URL

Turn any website link into a scannable code. If you omit “https://”, QRVolt adds it automatically.

Text

Encode a plain message, note, or quote.

Wi-Fi

Let guests join your network by scanning — no need to type the password.

Email

Pre-fill a recipient, subject, and body so scanning opens a ready-to-send email.

vCard

Share your contact details so others can save them to their phone in one tap.

SMS & Call

Start a text message or open the dialer with a single scan.

Geo & Event

Point to a location on the map, or add a calendar event with date, time, and place.

How to scan a QR code

Open your phone’s camera (or a QR scanner app), point it at the code, and tap the notification that appears. Most modern phones scan QR codes natively without extra software.

Design tips for scannable codes

Frequently asked questions

Is QRVolt free?
Yes. The generator is completely free to use, with no account required.
Is my data private?
All generation happens on your device. Your content is never sent to our servers.
Which file formats are supported?
PNG, JPG, WebP, SVG, and PDF, plus copy-to-clipboard and print.
Can I add my logo?
Yes. Upload an image or use the built-in mark, and we recommend Error Correction level H.
Why won’t my code scan?
Usually low contrast, missing quiet zone, or too much detail over the modules. Increase contrast and keep the margin.
What is a vCard?
A standard digital business card that saves name, phone, email, and more to a phone’s contacts.
Do QR codes expire?
No. A static QR code works forever as long as the destination (e.g., a URL) remains online.
Can I use QRVolt commercially?
Yes. Generated codes are yours to use for personal or business purposes.
Is there a size limit?
Content is limited by the QR standard (up to version 40). Very long text may need to be shortened.
How do I contact support?
Email hello@qrvolt.online and we’ll help.

Safety tips

Only scan codes from sources you trust. A QR code can open links or actions just like a click, so be cautious with codes in public places, and never enter sensitive credentials on sites reached through an unknown code.