What is the difference between a static and a dynamic QR code?

A static QR code encodes its content (a URL, WiFi credentials, a contact card) directly into the printed pattern, permanently. A dynamic QR code encodes a short redirect link instead; when scanned, the redirect sends the phone to whatever destination the code currently points to. That destination can be changed anytime without reprinting, and each scan can be counted and analyzed.

Are dynamic QR codes better than static ones?

Neither is better universally. Dynamic codes win whenever the code will be printed, when the destination might change, or when you want scan analytics. Static codes win for content that never changes and should work with no server involved, like WiFi credentials or a contact card, and for purely digital, short-lived uses.

Do dynamic QR codes stop working if I stop paying?

That depends entirely on the provider. Some stop resolving your printed codes when a trial ends, and some route every scan through a full-screen ad before forwarding the visitor. Look for a provider whose free codes keep working indefinitely and answer a scan with a plain redirect. SunriseQR free dynamic codes never expire and never show ads on any plan.

Can a static QR code be converted to a dynamic one?

Not after printing. The content of a static code is baked into the printed pattern. If there is any chance you will need to change the destination later, create the code as dynamic before you print.

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QR Codesbeginner7 min read

Dynamic vs Static QR Codes: Which Should You Use?

Every QR code generator eventually asks you the same question: static or dynamic? It sounds like a technical detail, but it is the single most consequential choice you make about a QR code, because one of the two options is permanent in a way people rarely expect.

The short version: a static QR code has its content baked into the printed pattern forever. A dynamic QR code points to a short redirect link, so the destination stays editable after printing and every scan can be measured. Neither is universally better. This guide explains exactly how each works and gives you a simple rule for choosing.

How a static QR code works

A QR code is just data drawn as modules (the little squares). A static QR code encodes your actual content in those modules: the full URL, the WiFi network name and password, the contact card, the plain text.

When a phone scans a static code, everything happens on the phone. The camera decodes the modules, reads the content, and acts on it directly. No server is involved, nothing is looked up, and nobody is notified that a scan happened.

That gives static codes two real strengths:

They work forever, unconditionally. There is no service that can shut down, no subscription that can lapse, no redirect that can break. A static WiFi code printed in 2026 will still join the network in 2036 if the password hasn't changed.
They work offline. WiFi credentials, contact cards, and plain text don't need an internet connection at all.

And one enormous weakness: the content can never be changed. If the URL moves, the menu changes, or you made a typo, every printed copy is wrong forever. The only fix is to reprint everything.

How a dynamic QR code works

A dynamic QR code does not encode your destination. It encodes a short redirect URL, something like:

https://qr.sunriseqr.com/h3Nk7Rwp

When someone scans it, their phone opens that short link, the redirect service looks up where the code currently points, records the scan, and forwards the phone to the destination in a fraction of a second. The person scanning never notices the hop.

Because the printed pattern only contains the short link, the destination lives on a server you control through a dashboard. That changes everything:

Edit after printing. Point the code at a new page anytime. Every printed copy follows instantly. (More on how that works.)
Scan analytics. Each redirect is a measurable event: when it happened, what country and city it came from, what kind of device scanned it. (How scan tracking works.)
Pause and resume. Turn a code off during a promotion gap without breaking it.
Fix mistakes. Typo in the URL? Change it. Campaign page not ready? Point it at a holding page today and the real page tomorrow.

The tradeoff is dependency: a dynamic code only works while the redirect service answers. Which makes your choice of provider part of the decision.

Side-by-side comparison

	Static	Dynamic
Content after printing	Permanent	Editable anytime
Scan tracking	None	Time, location, device
Works offline	Yes (WiFi, vCard, text)	No, needs the redirect
Depends on a service	No	Yes
Code density	Grows with content length	Always short, scans easily
Typical cost	Free everywhere	Free tier + paid plans

One underrated row in that table: density. A static code gets visually busier as its content gets longer, and busy codes scan worse, especially when printed small. A dynamic code always encodes the same short URL, so it stays clean and scannable no matter where it eventually points.

The simple rule

Ask one question: will this code be printed, and could its destination ever change?

If yes to both, use a dynamic code. Printing is what makes mistakes expensive. Menus, flyers, posters, table tents, business cards, packaging inserts, event signage, vehicle decals: all of these outlive the URLs they point to more often than people expect.

Use a static code when the content is truly permanent or purely functional:

WiFi access. The network name and password are the content. No redirect needed, works with no connection.
Contact cards. A vCard saves straight to the phone.
One-off digital uses. A code in a slide deck or an email that will be irrelevant next week doesn't need editability.

If you're unsure, choose dynamic. You can always leave a dynamic code pointing at the same URL forever, but you can never make a printed static code editable.

The catch to watch for: whoever answers the scan

Everything good about a dynamic code comes from the fact that a service answers the scan. Everything risky about one comes from the same fact. That service can be switched off, and it can also be used.

It can be switched off. Free dynamic codes are often trials, and when the trial ends the printed code starts showing an upgrade page to everyone who scans. Ask any provider one question before a print run: if I stop paying, do my printed codes keep resolving? Do QR codes expire? covers the full answer and the other five reasons a code stops working.

It can be monetised. Because every scan passes through that service, it can serve a page of its own before forwarding the visitor: a full-screen ad, usually with a countdown. This is most common on free and entry-level plans. Static codes cannot do this, because nothing sits in the middle to do it with, and that is the real trade you are making when you choose a dynamic code. What an interstitial is, and how to test any provider for one in ten seconds.

For our part, SunriseQR's free plan includes dynamic codes that never expire, with no ads on any scan, ever.

What about QR codes on retail products?

There is a third option this article would be incomplete without. If your QR code is going on retail product packaging, the code that gets scanned at a store checkout, you want a GS1 Digital Link QR code rather than a general-purpose dynamic code. It behaves exactly like a dynamic code for phones (editable destination, scan analytics) and additionally carries your product's GTIN so point-of-sale scanners can ring it up. That standard is the basis of the retail industry's Sunrise 2027 transition.

For everything that isn't retail packaging, a regular dynamic code is the right tool.

Get started

You can create a free QR code right now, static codes are unlimited and free forever. When you need a code you can edit after printing, make it dynamic in about a minute: paste your link, style the code, download, and change the destination whenever you like.

Dynamic codes also mean you can see what happens next. Every scan is counted with a time, country, and device, so a printed code stops being a guess. See QR code tracking for what that reports.