Herramientas de negocio
Facturas, códigos QR y productividad.
Free Herramientas de negocio — browser-based and private
Every tool in Herramientas de negocio runs in your web browser when possible, so files and text stay on your device. Pick a utility below, read the guide on each tool page, and use related links to move between similar features. No account is required to start.
Tools Directory
01. Generador de código QR
Gratis Generador de código QR En línea.
02. Generador de facturas
Gratis Generador de facturas En línea.
03. Calculadora de edad
Gratis Calculadora de edad En línea.
Business tools cover invoices, QR codes, passwords, and age calculations used by freelancers, retailers, and admin teams. They prioritize straightforward forms and instant downloads over enterprise complexity.
Use them when you need one polished output fast—an invoice PDF, a payment QR, or a secure password—without subscribing to a full platform.
What you can do here
- Branded invoice PDFs with line items
- QR codes for URLs, WiFi, and contacts
- Cryptographically strong password generation
- Exact age and date differences
Frequently Asked Questions
Are invoices legally binding?
A PDF invoice is a professional request for payment. Tax rules vary by country—include required tax IDs and consult an accountant for compliance.