Number Lines
Prefix every line with a number, in whatever style you need.
Free No signup Runs in your browser — nothing uploaded
Result
How to use the Number Lines
- Paste your content, or load a file.
- The result appears as you type.
- Copy or download the output.
Frequently asked questions
- Can I start from a different number?
- Yes — useful when continuing a list from another document.
- Do my files get uploaded?
- No. This tool runs entirely in your browser, so the file never leaves your device.