If you run a small shop, café or salon, you have probably watched a customer squint at a WiFi password scribbled on a card, or flip through a grubby paper menu that went out of date months ago. A simple QR code fixes both of those problems in about five minutes, and it costs nothing.

This guide shows you how to make a free QR code for your business, where to put it, and the small mistakes that stop people scanning. No design skills needed, and no monthly subscription either.

What a QR code actually does

A QR code is just a shortcut. Instead of typing a long web address, a WiFi password or a phone number by hand, your customer points their phone camera at a square pattern and the phone does the rest. Most modern phones scan QR codes straight from the camera app, so there is nothing extra for your customers to install.

For a small business, the most useful types are:

  • WiFi QR codes, so guests join your network without asking staff for the password
  • Menu QR codes, linking to your latest menu as a web page or PDF
  • Website and social media QR codes, sending people to your Instagram, Google reviews page or online shop
  • Contact and WhatsApp QR codes, for sharing details quickly at the till (payment codes come from your bank or payment app)

Once printed, a standard QR code keeps working. It does not expire, and there is no per-scan charge.

What you need before you start

Gather three things and the rest takes minutes:

  1. The thing you are linking to. For WiFi, that is your network name and password. For a menu, it is the link to your menu page or a PDF you have uploaded somewhere. For reviews, copy the link from your Google Business Profile.
  2. A free QR code generator. You can use the free QR Code Generator on Xplosole: it runs in your browser, needs no signup, and there is no watermark on the code you download.
  3. Somewhere to print. A home or office printer is fine for table cards and window signs. For anything going outdoors, a print shop and a bit of lamination are worth the small cost.

How to create your QR code, step by step

The process is much the same whichever type you are making:

  1. Open the QR Code Generator on Xplosole and choose the type of code you want: website link, WiFi, text or contact details.
  2. Fill in the details carefully. For WiFi, type your network name (SSID) and password exactly as they appear in your router settings, capitals included. One wrong character and nobody can connect.
  3. Keep the link short. If you are linking to a long web address, a shorter link makes a simpler code, and simpler codes scan faster, especially in poor light.
  4. Download the code as a PNG image. If you plan to print it large, such as on a window poster, choose the largest size (1024 pixels) so the edges stay sharp.
  5. Test it before you print fifty copies. Scan it with your own phone, then ask a friend or staff member to try theirs. Test the WiFi code by forgetting your network first, then scanning to reconnect.
  6. Print and place it. Start with a small batch. Live with them for a week and watch whether people actually use them.

That really is all there is to it. Your first code, from opening the tool to a printed table card, should take under ten minutes.

Where to put QR codes in your business

Placement matters more than design. A code nobody notices does nothing.

  • On tables and counters: Menu and WiFi codes work best here, where people are already sitting and waiting. A small tent card or a sturdy sticker is ideal.
  • In the window: A code linking to your menu, opening hours or Instagram lets passers-by check you out before they come in, and after closing time too.
  • On receipts and packaging: Link to your reviews page or a loyalty offer. The moment just after a good meal or a happy purchase is when people are most likely to leave a kind review.
  • On flyers and business cards: Send people straight to your booking page or online shop instead of hoping they type the address correctly later.
  • By the till: A payment or contact code speeds things up when the queue is building.

One more thing: always add a short line of text under the code, such as "Scan for our menu" or "Scan for free WiFi". People scan far more often when they know what they will get.

Making your QR codes easy to scan

A few practical rules keep scan failures rare:

  • Size: Print codes at least 2 cm square for close-up scanning on tables. For a window poster scanned from a step or two away, go bigger: roughly 10 cm or more.
  • Contrast: Dark code on a light background scans best. Colourful codes look lovely, but avoid pale or inverted designs, as many phones struggle with them.
  • Quiet space: Leave a clear white border around the code. Cramming it right up against text or the edge of a sticker can stop cameras reading it.
  • Flat and clean: Codes on curved bottles, crumpled flyers or shiny surfaces that reflect the light will frustrate people. Flat, matte, and at eye level is the winning combination.
  • One code, one job: Do not squeeze a menu, WiFi and Instagram into one code. Each code should do exactly one thing.

Keeping things safe and up to date

Because your menu code points to a page you control, you can update prices or dishes any time without reprinting a thing: just edit the page the code links to. That is the big advantage over printed menus.

A couple of sensible cautions, though. Only print codes you generated yourself, and check your printed codes now and then to make sure nobody has stuck a fake one over the top, particularly on outdoor signs. And if you change your WiFi password, remember you will need to print fresh WiFi codes, since the old ones carry the old password.

Frequently asked questions

Are QR codes really free to use for my business? Yes. A standard QR code is simply an image that stores your link or details, and creating one is free. With the QR Code Generator on Xplosole there is no signup, no watermark and no charge per scan.

Do QR codes expire? No. A code that stores your information directly keeps working for as long as the thing it points to exists. If your menu page moves to a new address, you would need a new code, so it is worth keeping your links stable.

Will my WiFi password be shared publicly? The password is stored inside the code itself, so anyone who scans it can join your network, which is rather the point for customer WiFi. If you would rather keep your main network private, check your router settings, or ask your internet provider, about setting up a separate guest network for customers.

What if a customer's phone will not scan the code? First check the basics: good light, a clean print, and enough size. Most phones from the last several years scan from the camera app automatically. On older phones, a free scanner app does the job. If several people struggle, reprint the code larger with stronger contrast.

Can I change my menu without printing new codes? Yes, as long as the web address stays the same. Your code points to the link, not to the menu itself, so you can update the page behind it as often as you like.

Ready to make your first code?

Pick the one job that would save your staff the most interruptions (for most cafés and shops, that is the WiFi password) and make that code first. Open the free QR Code Generator on Xplosole, follow the steps above, test it with your own phone, and put it where your customers sit.

Small as it seems, a well-placed QR code quietly removes friction every single day: fewer questions at the counter, menus that are never out of date, and happier customers who can get online in seconds. And once the first one is working, the second takes half the time.