Text Tool Runs instantly in your browser

Number Lines

Add line numbers or remove existing leading line numbers.

1) Paste text
Add the text you want to inspect, clean, or transform.
2) Set options
Choose the mode and any formatting or filtering options.
3) Copy output
Use the processed output in your editor, notes, scripts, or tests.
Use {n} where the line number should appear.
No text is uploaded. Everything stays in this page.

Processed text

Nothing processed yet

Copy the transformed text and use it anywhere you need.