Free Tool

Invoice Number Generator

Free invoice number generator. Build professional, sequential invoice numbers with a custom prefix, date, and padded counter.

Prefix

Start number

Zero padding

Include current year & month

Next invoice numbers

INV-0001INV-0002INV-0003INV-0004INV-0005

How to use this tool

Enter your values above and the result updates instantly — nothing is sent to a server, so it’s fast and completely private. Use it as many times as you like, free and without an account.

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