Invoice Number Generator

Generate unique, sequential, and professional invoice numbers instantly — perfect for Excel, accounting software, and business documents.

Generate unique, sequential invoice numbers for your business documents.

Numbering Method

Start Number

Number of Digits

Prefix

Separator

Suffix

Client Code

Project Code

Date Format

Character Length

Quantity to Generate

Generate up to 1,000 numbers at once. Copy all or export to CSV for Excel, Google Sheets, or your accounting software.