How to Make a QR Code for Free — Step-by-Step Guide (2026)

QR codes are genuinely everywhere now. Learn what you can put in a QR code, how to make one, and tips for codes that actually work.

Five years ago, QR codes felt like a gimmick. Now they're genuinely everywhere — restaurant menus, business cards, product packaging, event tickets, real estate signs. If you run any kind of business or even just want to share a link quickly, knowing how to make a QR code is a useful skill.

What can you put in a QR code?

More than you'd think. The obvious one is a website URL, but QR codes can also encode:

Wi-Fi credentials — Guests scan the code and connect to your network automatically. No more spelling out your password letter by letter.

Contact information (vCard) — A single scan adds your name, phone number, email, and company to someone's contacts. Way better than handing out paper business cards that end up in the trash.

Plain text — Short messages, instructions, serial numbers, whatever.

Email addresses — Pre-fills the recipient, subject line, and even the body.

Phone numbers — Tap to call after scanning.

Making your first QR code

It's simpler than you think. With Toolozo's QR Code Generator:

  1. Pick what type of content you're encoding (URL, text, Wi-Fi, etc.)
  2. Enter your data
  3. Customize the look if you want (colors, size)
  4. Download the QR code as a PNG image

The whole process takes about 30 seconds.

Making it look good

Default QR codes are black and white squares, which works fine but isn't exactly eye-catching. If you want something that matches your brand, try the QR Art tool — it lets you create visually styled QR codes that actually look designed rather than auto-generated.

For business cards specifically, the vCard QR generator is purpose-built for contact information.

Tips for QR codes that actually work

Size matters. A QR code on a billboard needs to be scannable from a distance. General rule: the scanning distance should be about 10 times the QR code's width. A 1-inch code works at about 10 inches away.

Don't go too crazy with colors. The code needs contrast to scan reliably. Dark code on light background works best. Avoid low-contrast combos like yellow on white.

Test it before printing. Scan it with at least two different phones. What works on your iPhone might not work on someone's older Android.

Leave quiet space. The white border around a QR code isn't decorative — scanners need it to detect where the code starts. Don't crop it out.

Frequently Asked Questions

What's the best format for a QR code image?

PNG is best for digital use and printing. It keeps the edges sharp and crisp, which is important for scanner readability.

How small can a QR code be?

The minimum practical size depends on scanning distance. For close-range scanning (phone held near), 2cm x 2cm works. For posters or signs, make it larger.

Can I put a logo in a QR code?

Yes, QR codes have error correction that allows up to 30% of the code to be covered. The Toolozo QR Art tool supports logo embedding.