Free Online Utility Tools
Handy utilities for everyday digital work: create QR codes, encode and decode Base64, and convert colors between formats.
QR Code Generator
Create QR codes for links, text, Wi-Fi, e-mail and phone numbers.
Open toolBase64 Encoder & Decoder
Encode text or files to Base64 and decode Base64 back.
Open toolColor Converter
Convert colors between HEX, RGB, HSL, HSV and CMYK.
Open toolThese small tools are used by marketers, designers, developers and small businesses every day. Like all RIZONI TOOLS, they are free, fast and run in your browser.
What each utility does
The QR Code Generator creates codes for links, Wi-Fi, e-mail, phone numbers and SMS, downloadable as PNG or SVG. The Base64 Encoder & Decoder converts text and files to and from Base64 for web development and APIs. The Color Converter translates colors between HEX, RGB, HSL, HSV and CMYK and checks text contrast for accessibility.
Frequently asked questions
Do QR codes from RIZONI TOOLS expire?
No. They are static codes with your content stored directly in the code.
Are these utilities free?
Yes, all utility tools are free to use without an account.