# Simple Invoice Generator > Free online invoice generator for freelancers and small businesses. Create professional invoices in minutes, export to PDF, manage clients, and track payments. ## What is Simple Invoice Generator? Simple Invoice Generator (invoicegenapp.com) is a web-based invoicing application that allows freelancers, consultants, and small business owners to create, manage, and send professional invoices. It requires no installation and works entirely in the browser. ## Features - **Invoice creation**: Create professional invoices with logo, line items, taxes, and discounts - **PDF export**: Download invoices as PDF with one click - **Email sending**: Send invoices directly to clients as PDF attachments - **Client management**: Save client details and auto-fill on new invoices - **Invoice tracking**: Track invoice status — Draft, Unpaid, Paid, Overdue - **Multi-currency**: Support for USD, EUR, GBP, CHF, CAD, AUD, JPY, RSD - **Revenue dashboard**: Monthly revenue chart and stats - **Auto-overdue detection**: Invoices automatically marked overdue when due date passes - **Custom invoice prefix**: Customize invoice numbering (e.g. INV-, 2026-, ACME-) - **Default settings**: Save company details, logo, notes, and terms once — auto-fill forever ## Pricing - **Free plan**: Up to 3 invoices, no credit card required - **Pro plan**: $9/month or $79/year — unlimited invoices, all features ## Technology Built with Angular 17, Firebase (Auth, Firestore, Functions), PayPal for payments, and SendGrid for email delivery. Hosted on Firebase Hosting at invoicegenapp.com. ## Contact - Website: https://invoicegenapp.com - Email: hello@invoicegenapp.com - Terms of Service: https://invoicegenapp.com/terms - Privacy Policy: https://invoicegenapp.com/privacy ## Pages - [Home](https://invoicegenapp.com/) - Landing page with features and pricing - [Terms of Service](https://invoicegenapp.com/terms) - [Privacy Policy](https://invoicegenapp.com/privacy) ## Blog - [How to Create an Invoice Online](https://invoicegenapp.com/blog/how-to-create-invoice-online) - Step-by-step guide to creating a professional invoice online: the required fields, setting payment terms, exporting to PDF, and how to get paid faster. - [Graphic Design Invoice Template](https://invoicegenapp.com/blog/graphic-design-invoice-template) - Free invoice template for freelance graphic designers, with a filled example and blank PDF download. Covers logo and design deliverables, billing for extra revision rounds, source files, and usage licensing. - [Photography Invoice Template](https://invoicegenapp.com/blog/photography-invoice-template) - Free invoice template for photographers, with example and blank PDF download. Covers session fees, additional hours, travel, delivered image sets, print and usage licensing, and rush-delivery fees. - [Web Developer Invoice Template](https://invoicegenapp.com/blog/web-developer-invoice-template) - Free invoice template for freelance web developers, with example and blank PDF download. Covers hourly development rates, fixed milestone payments, hosting and domain pass-through costs, and maintenance retainers. - [Consultant Invoice Template](https://invoicegenapp.com/blog/consultant-invoice-template) - Free invoice template for consultants and advisors, with example and blank PDF download. Covers monthly retainers, per-day and per-hour billing, project-based fees, and reimbursable travel and expenses. - [Best Free Invoice Generators in 2026](https://invoicegenapp.com/blog/best-free-invoice-generators) - Honest comparison of seven free invoicing tools including Wave, Zoho Invoice, Invoice Ninja, PayPal, and Simple Invoice Generator — what each is best for and what the catch is.