List Number Style Converter
Convert existing numbered lists between different numbering styles: decimal, Roman numerals, letters, and more.
About This Free Online List Number Style Converter
Our free online List Number Style Converter takes your existing numbered list and converts it to a different numbering style. Convert 1. 2. 3. to i. ii. iii. or A. B. C. or I. II. III. Supports decimal, lowercase and uppercase Roman numerals, lowercase and uppercase letters, and more. Automatically detects your current numbering style and renumbers sequentially. Perfect for reformatting academic outlines, document sections, and multi-level lists. All processing runs in your browser.
Features of Our List Number Style Converter
- Detect and parse existing number styles
- Convert to decimal, Roman, letters, and more
- Lowercase and uppercase options
- Preserve custom prefixes and suffixes
- Multi-level list support (auto-detect levels)
- Real-time preview
- 100% private — browser-only processing
How to Use the List Number Style Converter
Using this tool is simple and requires no signup or registration. Follow these steps:
- Paste your numbered list into the input area.
- The tool auto-detects the current numbering style.
- Select the target numbering style from the options.
- Copy the converted list.
Frequently Asked Questions About List Number Style Converter
What numbering styles are supported?
Decimal (1,2,3), lowercase Roman (i,ii,iii), uppercase Roman (I,II,III), lowercase letter (a,b,c), uppercase letter (A,B,C).
Does it handle multi-level lists?
Yes. The tool detects indentation levels and renumbers each level independently.
Can it detect the current style automatically?
Yes. The tool analyzes the first few lines to determine the current numbering style and format.
Why Choose Text Toolbox?
Text Toolbox provides free, private, and instant online text tools. Unlike other text utility websites that require signup accounts or send your data to servers, all our tools process your text entirely in your browser. This means your content never leaves your device — we cannot see it, store it, or share it. Our tools are fast, lightweight, and work on any device with a modern web browser.