InvoiceGen Help Center

Quick guides to help you create professional invoices.

How to Add Line Items to Your Invoice

Learn how to add, edit, reorder, and remove line items on your invoice. Step-by-step guide to building itemized invoices with InvoiceGen.

Learn how to enable tax, set VAT rates, and handle multiple tax configurations on your invoices using InvoiceGen.

Upload your company logo to create branded invoices. Supported formats, sizing tips, and troubleshooting for logo display on InvoiceGen.

Learn how InvoiceGen saves your work automatically in the browser, how to export PDFs, and how to organize your invoice history.

Best practices for emailing invoices to clients, including what to write in the email body, subject line tips, and follow-up advice.

Create invoices in over 160 currencies with InvoiceGen. Learn how to select currencies, display symbols, and invoice international clients.

Add percentage or flat discounts and shipping charges to your invoices. See how InvoiceGen recalculates totals automatically.

Learn how to create and manage recurring invoices for retainer clients, subscriptions, and ongoing services using InvoiceGen.

Rename fields, change document types, add reference numbers, and customize notes and terms on your InvoiceGen invoices.

Fix common problems with PDF downloads, logo display, calculation errors, and page loading on InvoiceGen.

Learn how InvoiceGen protects your business data with local-first architecture, minimal data collection, and optional encrypted cloud sync.

Create professional invoices from your phone or tablet. Tips for mobile invoicing, saving PDFs, and adding logos on small screens.