Yes, there are several free QR code generators available that offer unlimited scans and allow you to customize the content of the QR codes. Here are a few popular options:

1. QR Code Generator (www.qr-code-generator.com): This online tool allows you to create QR codes for free with unlimited scans. You can customize the content of the QR code by choosing from various data types such as website URL, text, email, phone number, and more. Additionally, you can add a logo or image to the QR code, change its color, and customize the design. The generated QR codes can be downloaded in high-resolution formats for both print and digital use.

2. QRStuff (www.qrstuff.com): QRStuff is another free QR code generator that offers unlimited scans. It provides a wide range of data types to encode, including URLs, text, email, SMS, social media profiles, and more. You can also customize the appearance of the QR code by choosing from various colors, patterns, and shapes. The generated QR codes can be downloaded in different file formats and sizes.

3. QRickit (www.qrickit.com): QRickit is a free QR code generator that supports unlimited scans. It allows you to create QR codes with custom text, URLs, phone numbers, email addresses, and more. You can also customize the size, color, and error correction level of the QR codes. The generated QR codes can be downloaded in various formats, including PNG, SVG, EPS, and PDF.

Remember to read the terms and conditions of each QR code generator to ensure that unlimited scans and customization options are available for free. Additionally, these websites may offer premium features or paid plans with additional benefits, so make sure to explore their offerings if you require more advanced functionalities.