Add Line Numbers
Add line numbers to text, code or lists. Choose the starting number, the separator and zero padding.
Free · No upload · 100% on your device
How to use Add Line Numbers
- Type or paste your text.
- Choose the settings in the side panel. The result updates as you type.
- Copy the result or download it as a file.
Private by design. Everything you type, open or record is processed in this browser tab and is never uploaded to KittySuite.
About Add Line Numbers
Zero padding keeps numbers aligned (01, 02 … 10), which helps when the list is sorted later. Skip blank lines to number only the lines with content.
Everything runs in this browser tab: your text is never uploaded or stored, and the result updates as you type. It keeps working offline once the page has loaded.
Add Line Numbers: frequently asked questions
How do I add line numbers to text?
Paste the text and every line is numbered, starting from 1 or a number you choose.
Which separators can I use?
“1. ”, “1) ”, “1: ”, a tab or a space.
Can I keep the numbers aligned?
Yes. Turn on zero padding for 01, 02 … 10, which also keeps lists sorted correctly later.
Can I skip blank lines?
Yes. Turn on “Skip blank lines” to number only lines with content.