Free Tools

Free QR Code Tools

Helpful tools to create perfect QR codes. Calculate sizes, check contrast, decode existing codes, and more.

Design Playground
Experiment with all QR code styling options — colors, gradients, patterns, frames, and logos. Preview your design in real time.
Size Calculator
Calculate the perfect QR code size for any scanning distance. Get minimum and recommended dimensions for business cards, posters, and signage.
Contrast Checker
Check if your QR code colors have sufficient contrast for reliable scanning. Prevent codes that won't scan.
QR Code Reader
Upload a QR code image and decode its contents. Verify your codes work before printing.
Bulk Generator
Generate up to 5 QR codes at once and download as a ZIP file. Perfect for events, marketing, and inventory.
WiFi QR Generator
Create a QR code that lets guests connect to your WiFi instantly. No more spelling out passwords.
Embeddable Widget
Add a free QR code generator to any website. Customize theme, colors, and QR types. One script tag to embed.
GS1 Simulator
Build and validate GS1 Digital Link URIs. Enter a GTIN, add Application Identifiers, and check compliance in real time.

Need to create a QR code?

Create unlimited QR codes for free. Dynamic codes, custom designs, analytics, and more.