# QR codes after COVID — what stuck and what receded

> The pandemic made scanning a habit. Menus, check-ins and vaccine certificates put a QR code in front of nearly everyone between 2020 and 2021. Check-in systems vanished with the emergency, PDF menus receded on merit, and what stuck was payments, ticketing and packaging - uses that were growing anyway.

Source: https://useqr.app/docs/basics/qr-codes-after-covid · Last reviewed 2026-08-21 · UseQR is free forever, MIT licensed, no signup.

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## What the pandemic actually changed

Not the technology. Native camera scanning had existed [since 2017](/docs/basics/are-qr-codes-dead),
and the format was already a payments juggernaut in Asia. What 2020 supplied was a
*reason*: overnight, touching shared objects became undesirable, and the QR code was the
zero-hardware way to replace menus, forms and tickets with something on your own phone.

The pandemic was, in effect, a compulsory global training programme. People who had never
scanned learned that their camera just does it, across every age group, because dinner
depended on it. Habits formed under compulsion do not fully revert — but they do get
sorted by usefulness, which is exactly what happened next.

## The three pandemic waves

**Menus.** The emblematic use. Restaurants swapped laminated menus for
[table codes](/menu-qr-code) in weeks. Execution was wildly uneven — the era's signature
failure was a code opening a 10 MB print-layout PDF, unreadable on a phone.

**Check-in systems.** Governments deployed venue check-in codes at national scale — the
NHS COVID-19 app's venue posters in the UK, state apps across Australia, and equivalents
worldwide. For a year or two these were the most-scanned codes in several countries.

**Certificates.** Vaccine and test certificates — the EU Digital COVID Certificate above
all — were [signed QR payloads](/docs/security/signed-qr-codes-and-authenticity) verifiable
offline, issued across an entire continent. Quietly, this was the format's most technically
serious deployment: cryptographic documents in people's pockets, checked at borders.

## What receded, and why that is fine

**Check-ins vanished entirely** with the emergency powers that created them —
infrastructure for a specific circumstance, correctly dismantled.

**PDF menus receded on merit.** Many restaurants returned to paper or moved to proper
mobile pages; diners disliked the bad implementations, not the scanning. The lesson
generalises to every QR deployment: the code is a doorway, and
[the destination decides](/docs/marketing/qr-code-call-to-action) whether anyone is glad
they walked through. Where table codes genuinely solved problems — ordering and
[paying at the table](/docs/payments/qr-code-tipping), large venues, frequent price
changes — they stayed.

## What stuck

The durable winners were the uses growing before 2020, now compounding on a trained
population: **payments** ([UPI](/upi-qr-code) and PIX reached their billions-per-month
scale *after* the pandemic began), **ticketing and boarding** (now QR-default almost
everywhere), **hospitality plumbing** ([WiFi access](/wifi-qr-code),
[review requests](/google-review-qr-code), table ordering), and **packaging**, where
GS1's Sunrise 2027 marches on a regulatory timetable indifferent to viruses. The current
landscape is surveyed in [are QR codes still relevant](/docs/basics/are-qr-codes-still-relevant).

## An honest note on the data

Claims like "scanning grew 400% during COVID" trace to dynamic-QR vendors measuring their
own platforms during a period when their customer base exploded — real growth, hopelessly
confounded sample. Static codes, as always, [left no record](/docs/basics/how-many-people-scan-qr-codes).
The defensible statement is structural: capability became universal in 2017–2018, the
pandemic forced practice onto that capability, and the payment and infrastructure numbers
published since by central banks and standards bodies show no retreat. Precise
percentages about the behaviour change itself are
[not knowable](/docs/basics/qr-code-adoption-statistics), and articles offering them are
selling something.

## FAQ

### Did COVID make QR codes popular?
It made scanning a universal habit in Western countries by attaching it to menus, check-ins and certificates. In Asia QR was already daily infrastructure; the pandemic mainly closed the familiarity gap elsewhere.

### Are QR code menus going away?
Partly. Many restaurants returned to paper after the emergency, especially where the code led to an awkward PDF. Table codes persist where they add real function such as ordering, payment or frequently changing menus.

### What happened to COVID check-in QR codes?
They were retired along with the public-health programmes that required them. The posters and apps disappeared within months of restrictions ending in most countries.

### What pandemic QR uses survived?
Payments, ticketing, boarding passes, table ordering, WiFi sharing and packaging initiatives. These were growing before 2020 and kept growing after, now benefiting from a population trained to scan.

## Try it

- https://useqr.app/menu
- https://useqr.app/url
- https://useqr.app/wifi