Add line numbers
Prefix every line of a text with its number.
How to use it
- Add your file or enter your values.
- Adjust the options if needed.
- Run it: the result appears at once and stays on your device.
FAQ
What is Add line numbers for?
Prefix every line of a text with its number.
How do I use Add line numbers?
1. Add your file or enter your values. 2. Adjust the options if needed. 3. Run it: the result appears at once and stays on your device.
Is my data sent anywhere?
No, the calculation runs entirely in your browser.
Is Add line numbers free and unlimited?
Yes, no signup, no usage limit.
Which browsers are supported?
All modern browsers, on desktop and mobile.
Does Add line numbers work offline?
After a first visit, most tools keep working without a connection.