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Format.im

Free China

What is Format.im?

Generate professional invoice numbers instantly. Free online tool for creating sequential, date-based, and custom invoice numbers. Compatible with Excel, Python, PHP, and more.

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Format.im

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How Invoice Number Generator Works

  1. Choose Your Format: Select from multiple numbering formats including sequential, date-based, or custom patterns. Each format is designed to meet different business needs and compliance requirements.
  2. Customize Parameters: Set your starting number, prefix, suffix, and other parameters. Our tool ensures each number follows your specified format while maintaining uniqueness.
  3. Generate & Export: Click generate to create your invoice numbers instantly. Copy them directly or export them to your preferred format for use in your business documents.

Invoice Number Generator Advanced Features

  • Custom prefix and suffix
  • Variable digit padding
  • Date format customization
  • Multiple separator options
  • Department/branch codes