How to use the generator
- Pick a content type — website URL, plain text, email, phone number, or Wi-Fi.
- Fill in the fields. The preview updates automatically as you type.
- Adjust colors, error correction, and export size if needed.
- Download as PNG, SVG, or PDF.
Choosing the right error correction level
Error correction determines how much of the code can be damaged, obscured, or misread while still scanning successfully. Higher levels add more redundancy, which slightly increases the code's visual density.
- L (7%) — Digital-only use, screens, clean environments.
- M (15%) — General-purpose default for most printed material.
- Q (25%) — Outdoor signage, packaging, industrial environments.
- H (30%) — When adding a logo overlay or expecting wear and tear.