Input
Install the app Open settings Choose a file
Lists & lines
Add Line Numbers to Text
Add sequential numbers to text, code, instructions, transcripts, or lists. Start at any number, choose common formats such as 1., 1), or [1], or define a custom format using the {n} placeholder.
Focused workspace
Add Line Numbers
0 characters · 0 words
0 characters · 0 words
Before and after
Add Line Numbers Example
Output
1. Install the app 2. Open settings 3. Choose a file
Three steps
How to use this tool
- Paste the lines to number.
- Choose a starting number and numbering format.
- Add the numbers and copy the result.
Useful workflows
Common use cases
- Number instructions and checklists.
- Add references to transcripts and code snippets.
- Prepare numbered values for documents and presentations.
How it works
Fast text processing without an upload
The selected operations are applied in order by JavaScript running on this page. The input is not sent to the Go server and is not written to SQLite. The server provides the page, SEO content, and blog system; the browser performs the text transformation.
Questions
Add Line Numbers FAQ
Can numbering start at zero?
Yes. Enter 0 as the starting number.
How do custom formats work?
Place {n} wherever the sequential number should appear.
Can empty lines be skipped?
Yes. Empty lines are skipped by default.