Runs fully in your browser. Inputs stay on your device. See recent fixes on changelog.
Number Each Line
Add sequential numbers to each list item.
FreeRuns in browsernumber linesnumbered list
0 items
Cmd/Ctrl+Enter Primary actionCmd/Ctrl+Shift+L Load sampleCmd/Ctrl+Shift+X Clear/resetCmd/Ctrl+Shift+C Copy result
About Number Each Line
Add sequential numbers to each list item. Add sequential numbers to each line online for free. Number list items with customizable formats including dot, parenthesis, and bracket styles. No signup needed. Provides a suite of list operations including sorting, deduplication, filtering, and reformatting. Handles various delimiters and can process lists with thousands of items efficiently. Everything runs client-side in your browser for maximum speed and privacy — no data is sent to any server, and no signup is required.
Related tools: Add Line Numbers, List Sorter, List to Comma Separated
How to Use Number Each Line
- Paste a list of items into the input field.
- Choose the operation you want to perform.
- View and copy the processed list.
Frequently Asked Questions
What is Number Each Line?
Add sequential numbers to each line online for free. Number list items with customizable formats including dot, parenthesis, and bracket styles. No signup needed.
How are duplicate items handled?
The tool can detect and remove duplicate items, or highlight them for your review. Duplicate detection uses exact string matching by default, and some tools offer case-insensitive or trimmed comparison options.
Can I process very large lists?
Yes, since all processing happens in your browser there are no server-side limits. The tool handles lists with thousands of items efficiently, though extremely large lists may take a moment to process.
What delimiters are supported?
The tool supports newline-separated lists by default, and many list tools also accept comma, semicolon, tab, or custom delimiters. Check the tool's options to configure the delimiter that matches your data.
Is Number Each Line free to use?
Yes, all list operations are free and unlimited. No signup or account is required, and processing happens entirely in your browser.
Is my data safe when using Number Each Line?
Yes, your list data is processed entirely in your browser. Nothing is sent to any server, so your information stays private.