Add Line Numbers
Number each line with a custom start, prefix, separator and zero padding.
01Input
0
02Output
0
This tool runs entirely in your browser. Your input is never uploaded.
How to use
- 1Paste the lines you want to number
- 2Set the start value, prefix and separator
- 3Copy the numbered result
FAQ
Can numbers be zero-padded?
Yes. Set padding to 3 and numbers appear as 001, 002, 003.
Are empty lines numbered?
Empty lines are kept without a number by default so paragraph structure stays intact.