What exactly is a QR code?

A QR code is a two-dimensional barcode: a grid of black and white modules that a camera can read in any

Choose a type from the rail, fill in the fields on the left, then watch the preview on the right. When it looks

Which QR code types are supported?

Twenty-eight, from plain website links and phone numbers through to vCard and MeCard contacts, Wi-Fi, EPC bank

Can I customise the look?

Yes — and only the look. You can change the module shape (classic, dots, rounded, circle, vibrant, gradient),

Which print formats are available?

Four, all built in CSS physical units: A4 with a single code and its caption, A4 with a 3 × 3 grid of nine codes,

Can I use the codes commercially?

The codes you generate here are yours to use — on packaging, posters, invoices, menus, business cards and paid

What is the difference between vCard and MeCard?

Both store contact details, but vCard is the richer, widely supported standard: it has separate fields for

How do I check a code before printing hundreds of them?

Use “Test QR”. It decodes the code you have just generated, in this browser, and shows the exact string a

Can I add a logo in the middle?

Yes. Switch on the centre icon and either let the tool pick a fitting icon for the QR type or upload your own

Is the generator free?

Yes. There is no account, no trial, no watermark limit on the number of codes, and no paid tier hiding the

QR Code Generator — Create Professional QR Codes Free

Free · no sign-up · runs in your browser

28 QR types
Live preview
PNG & SVG export
A4 & thermal print
Nothing uploaded

Scroll the rail or use the arrow keys to pick a type

Live preview

No data yet

Format—

Payload size—

Modules—

Error correction—

Generated free at GSTcalculators.in

100%

Use your browser's Save as PDF destination for a PDF — QR Studio does not run a server and never claims to produce a server-side PDF.

QR data (what is actually encoded)

Nothing to encode yet.

This is the exact string a scanner will read.

Customise the design

Updates the preview instantly

Frame around the QR code

How each dot of the code is drawn

QR foreground

Background

Gradient colour 1

Gradient colour 2

Gradient direction

Transparent background (PNG & SVG only — it will not print)

Shared and printed codes should stay dark-on-light: a scanner in bright light needs that contrast. The tool blocks combinations that are too close to read.

Show a centre icon Choose the icon automatically from the QR type

Centre icon

The icon sits on a small protective plate so the code stays readable.

Custom centre logo optional

Drop an image here, or

A square PNG or SVG with a transparent background looks best. The image stays in your browser.

Logo size 22%

22%

Export size 1024 px

512 px

Quiet zone (margin) 4 modules

Error correction

Show a “SCAN ME” caption

Caption text

Caption font size

Replace the caption with a hint based on the QR type (e.g. “Scan to save contact”)

28 QR code types, ready to build

Every type has its own fields and produces a payload that scanners already understand — no guessing at formats. Press Create to jump up to the generator with that type loaded.

Why QR Studio

Built for everyday business use: fast to make, hard to get wrong, and private by default.

Your data stays on this device. QR Studio builds and renders everything in your browser — there is no account, no upload, no analytics and no database, and the application does not intentionally send your entered content to any server. Two optional libraries (the QR renderer and the QR decoder) are loaded from a public CDN, which means your browser makes an ordinary request for those script files; nothing you type is included in it. Screenshots, fonts and everything else are processed locally. If you paste sensitive information, use File → Save Page As… once so the tool runs fully offline.

Frequently asked questions

Short answers to the things people ask before printing a few hundred codes.

QR Code Generator — Create Professional QR Codes

Choose a QR code type