Question 1

How do I add line numbers to my text?

Accepted Answer

Select the 'Add line numbers' tab, paste your text in the input area, and the output will update instantly with numbered lines. You can customize the start number, separator character, and whether to zero-pad the numbers.

Question 2

How does the Remove mode work?

Accepted Answer

The remove mode uses a regex pattern to strip leading numbers followed by common separators (dot, colon, parenthesis, dash, space) from each line. It works on output from this tool as well as other numbered text formats.

Question 3

What does 'Zero-pad numbers' do?

Accepted Answer

When enabled, line numbers are padded with leading zeros so they all have the same width. For example, in a 100-line document, line 1 becomes '001' instead of '1', keeping columns aligned.

Question 4

Can I start numbering from a number other than 1?

Accepted Answer

Yes. The 'Start number' input lets you set any starting number. For example, setting it to 10 will label lines as 10, 11, 12, and so on.

Question 5

Is there a limit to the number of lines I can process?

Accepted Answer

There is no hard limit. The tool processes text entirely in your browser in real time. Very large texts will still work but may be slightly slower on older devices.

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