Free Invoicing Tools
Small, genuinely free tools for the parts of invoicing that are fiddly. No signup, no email.
Invoice Number GeneratorGenerate sequential invoice numbers in any format — INV-1001, 2026-0001, or your own. Copy one or a whole run.Invoice Template for Excel & Google SheetsA free invoice template where the subtotal, tax, and total calculate themselves. Excel and CSV, no email required.
Looking for guidance rather than a tool? Start with how to write an invoice or browse the blog.