✍️ Text & Writing

Add Line Numbers

Add customizable line numbers to lists, code, or plain text.

About the Add Line Numbers

Add customizable line numbers to lists, code, or plain text. It runs entirely in your browser — nothing is uploaded to a server, so it is fast and private. Just use it and go.

How to use the Add Line Numbers

  1. Enter or paste your input into the tool above.
  2. Adjust any options to fit what you need.
  3. Copy or download the result.

Frequently asked questions

Is the Add Line Numbers free?

Yes. This tool is completely free to use, with no sign-up required.

Is my data safe?

Everything runs locally in your browser. Your input never leaves your device.