Invoice Number Generator

Generate unique sequential invoice numbers in any format. Bulk export to CSV for your accounting system.

Prefix

Year

Start From

Count

Number Padding

Separator

About the free Invoice Number Generator

Generate unique sequential invoice numbers in any format. Bulk export to CSV for your accounting system. The ToolsEdits Invoice Number Generator runs online in your web browser, so there is nothing to download or install. It works on Windows, Mac, Linux, Android and iPhone, and it is completely free to use with no sign-up required.

Wherever possible, your data is processed directly on your own device, which keeps your files and information private and makes results appear instantly. The invoice number generator is part of our Converters collection, built for students, professionals and businesses who need fast, reliable results without paying for expensive software.

How to use the Invoice Number Generator

Enter your data or upload your file in the tool above.
Adjust the options and settings to match what you need.
Click the action button to get your result instantly.
Copy, download or share the result — then start again as many times as you like.