Generate sequences of numbers in decimal, Roman numeral, binary, octal, hex, or alphabetic format with custom prefix, suffix, and separator.
All processing happens in your browser. Your data never leaves your device.
Set a start number, end number, and step to generate a sequence. Choose from decimal, Roman numeral, binary, octal, hexadecimal, or alphabetic formats. Add optional prefix, suffix, and separator to customize the output. All processing happens in your browser β your data never leaves your device.
Generate numbered lists for documents, create test data, produce sequences for programming, build numbered outlines, or generate lists in any number system β all instantly without any software installation.
Six formats: Decimal (standard numbers), Roman numerals (I to MMMCMXCIX, covering 1-3999), Binary (base 2), Octal (base 8), Hexadecimal (base 16), and Alphabetic (A-Z, AA, AB...).
Yes, the tool caps at 100,000 entries to keep your browser responsive. This covers virtually all practical use cases.
Yes. Decimal steps work without floating-point artifacts. For example, stepping by 0.1 from 0 to 1 gives you exactly 0, 0.1, 0.2, ... 1.0.
Yes. All processing happens entirely in your browser using JavaScript. Nothing is sent to any server.
TikTok
Twitter
Facebook