QR code generator

The free QR generator creates a designed code with colors, shapes and a logo — everything runs in your browser, nothing is stored in the cloud, and you download it as a PNG or SVG. The most popular use: a code that opens a WhatsApp chat with you.

What you can encode

A link or website address.
A WhatsApp chat — a number plus a prefilled message.
Plain text, email, phone or SMS.
WiFi network details to connect in one scan.
A digital business card (vCard) with name, company and contact details.

Creating a WhatsApp QR code

1Choose the WhatsApp content type.
2Enter the number in international format — no + and no dashes, e.g. 972501234567.
3Optionally add a message that appears prefilled in the chat.
4Download the code as a PNG or SVG.

💡 Scanning the code opens a WhatsApp chat with you, with the message ready to send.

Designing it

A color for the code and the background, with an optional gradient.
The shape of the dots and the corner frames.
A logo in the center — the file stays in your browser and is never sent to any server.
The error-correction level and the width of the quiet zone (the margin around the code).

💡 When you add a logo, error correction locks automatically to H (30%) so the code stays scannable.

Making sure it scans

The tool shows a live "Will it scan?" indicator with warnings about contrast and gradients. Before you print, check that:

The code is dark on a light background, at 4:1 contrast or better.
A logo covers at most 20–25% of the code, centered.
There's a quiet zone of at least 4 modules around the code.
The content is short — fewer modules scan more easily.
You print at least 2×2 cm, and run a real scan test on iPhone and Android.

Download and where to find the tool

The tool is at otok.io/tools/qr-generator — free, no signup, and you download as a PNG (for screens and documents) or SVG (for crisp printing at any size).