czQR — QR Generator & Reader

Generate QR Codes

Create beautiful QR codes with custom shapes, finder styling, text labels, and multiple formats — powered by pure JavaScript. No server required.

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Settings

Content

Error Correction

Output Format

Output Size: 300px

300

Quiet Zone: 1

Foreground

Background

Transparent

Module Shape

Module Radius: 23% — Rounded

Finder Pattern (Eye) Styling

Outer Frame Color

Inner Dot Color

Outer Radius: 10%

Inner Radius: 17%

Center Embed

Upload Logo

Choose image file…

Logo Size: 20%

Padding: 6px

Radius: 15px

Label Text

Font Size: 10%

Label Color

Full-width strip

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Data Matrix Settings

Content

Encoding Mode

Output Size: 300px

300

Quiet Zone: 1

Foreground

Background

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Aztec Settings

Content

Output Size: 300px

300

EC Level: 23%

Foreground

Background

Layers

Mode

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Barcode Settings

Format

Data

Module Width: 2px

Bar Height: 80px

Margin: 10px

Show Text Label

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Preview

Enter your content and click
Generate

Generating…