InvoiceBlitz is a Chrome add-on designed to streamline the invoicing process for freelancers. This free tool allows users to create, manage, and download professional PDF invoices directly within the Chrome browser. Key features include auto-incrementing invoice numbers, line items with automated total calculations, and support for multiple currencies, making it a versatile solution for various billing needs.

In addition to its free features, InvoiceBlitz offers a pro version available for a one-time purchase. This upgrade includes functionalities such as saving client profiles and tracking invoice history with status updates. Notably, all data processed through the application remains on the user's device, ensuring privacy and security while managing invoices.