Utility Tools
QR codes, password generators, and everyday utilities
6 tools available
About this category
This category groups everyday utilities such as invoicing, QR generation, password creation, and other quick browser-based helpers.
Each tool page includes instructions, frequently asked questions, and related resources where available so you can understand the workflow instead of just clicking buttons blindly.
Best places to start
UTM Builder
Build clean campaign tracking URLs with utm_source, utm_medium, utm_campaign, and more.
Invoice Generator
Generate professional invoices online for free. Add clients, taxes, discounts, and download high-quality PDF invoices instantly.
QR Code Generator
Generate custom QR codes for URLs, text, and more. Free and no registration.
UTM Builder
Build clean campaign tracking URLs with utm_source, utm_medium, utm_campaign, and more.
Utility ToolsInvoice Generator
Generate professional invoices online for free. Add clients, taxes, discounts, and download high-quality PDF invoices instantly.
Utility ToolsQR Code Generator
Generate custom QR codes for URLs, text, and more. Free and no registration.
Utility ToolsPassword Generator
Generate strong, secure passwords instantly. Free and easy to use.
Utility ToolsAge Calculator
Calculate your exact age in years, months, days, hours, and minutes.
Utility ToolsInvoice Number Generator
Generate sequential invoice numbers with custom prefixes, suffixes, and padding.
Utility ToolsRelated reading
How to Choose an Invoice Number Format That Stays Organized
Learn how to pick a clean invoice numbering system that stays consistent as your client work grows.
What Is a QR Code and When Should You Use One?
Learn what QR codes are, what they are good for, and when they make sense for business cards, menus, links, and quick sharing.
How to Create Strong Passwords That You Can Still Manage
Learn how to build stronger passwords, avoid common mistakes, and use password generators more effectively.