Tips & Guides

QR Codes: How to Use Them, When to Use Them, and Why Linky Makes It Easy

By Linky Team 8 min read 9 views

A practical guide to QR codes — what they are, exactly when to use one, how to create a custom QR code with Linky, and how to make every scan count.

QR codes went from "that weird square nobody scanned" to an everyday tool Filipinos use to pay at the sari-sari store, order at a restaurant, and board a plane. But most businesses are still using them the hard way — static codes pointing to URLs they can never change. Here's a smarter approach.

What Is a QR Code?

A QR code (Quick Response code) is a two-dimensional barcode that a smartphone camera can read instantly. Point your camera at one, tap the notification, and you're taken to a website, a payment page, a contact card, a video, or anything else the creator linked it to.

No app needed on modern iPhones and Android devices — the native camera handles it automatically.

Static QR Codes vs. Dynamic QR Codes

This is the most important distinction nobody talks about:

  Static QR Code Dynamic QR Code (Linky)
Destination URL Burned into the code — can never change Points to a short link you can update anytime
Scan tracking None Every scan is logged with country, device, time
If destination changes Must reprint the QR code Just update the short link — no reprint needed
Use for printed materials? Risky Yes — safe even for long-run prints
Cost to update Reprint cost Free — edit in your dashboard

Linky generates dynamic QR codes — every code points to a Linky short link. When you need to send people to a different page, you update the short link, not the code.

When Should You Use a QR Code?

The rule is simple: use a QR code whenever someone is physically present but not yet online, or when typing a URL would be inconvenient. Here are the highest-impact situations:

Product Packaging

Print a QR code on your box, bag, or label that links to a tutorial video, warranty registration, reorder page, or your Linky page. A customer who just received your product is at peak interest — make it frictionless for them to engage further.

Restaurant & Cafe Menus

Table tent QR codes linking to your digital menu are now expected, not novel. But go further — add a second QR code for your GrabFood or Foodpanda page, your loyalty programme, or a link to leave a Google review. Each one can be tracked separately.

Flyers, Posters & Tarpaulins

Any printed material with a call to action benefits from a QR code — event registrations, promo pages, portfolio sites. Keep the QR large (minimum 2.5 cm x 2.5 cm) and always test scan from the print before distributing.

Business Cards

Instead of cramming every social handle onto a 9 x 5 cm card, print one QR code that links to your Linky page. One scan and the recipient has your Instagram, LinkedIn, website, email, and calendar booking link — all in one place.

Events & Exhibitions

Booth banners with a QR code to your product demo video or lead capture form. Conference name badges with a QR to your LinkedIn. Pop-up stall signage with a QR to your GCash payment. Every touchpoint becomes interactive.

In-Store Signage

Physical stores can extend the customer relationship digitally: QR codes near products link to reviews, tutorials, or bundle deals. A QR at checkout links to your loyalty app or Facebook page.

How to Create a Custom QR Code with Linky

  1. Log in at linky.ph/login and go to QR Codes in the sidebar.
  2. Enter the destination URL.
  3. Customise the design: dot style, eye shape, foreground colour, logo, frame.
  4. Download a high-resolution PNG or SVG for print production.
  5. Test it. Scan from the downloaded file before sending to print. Always.

QR Code Design Rules You Cannot Break

  • Minimum size: 2.5 cm x 2.5 cm for print.
  • Contrast is non-negotiable: Dark foreground on a light background.
  • Logo coverage limit: no more than 30% of the code area.
  • Quiet zone: Leave a margin of at least 4 modules around the entire code.
  • Test on multiple devices before printing.

Get Started: Create Your First Linky QR Code

Create Your Free Linky Account →