Code review
Reference exact lines when discussing snippets.
Documentation
Line Numbering Lab documentation
Add, remove, and control line numbers for snippets, transcripts, or export-ready text.
Overview
Use it when the format needs to change, not the meaning
Use Line Numbering when you need a numbered block for review or reference.
Transcript notes
Add stable line markers before you share a transcript.
Supported inputs
Bring clean source text and keep the direction straight
- Accepts multi-line text and preserves the original order.
- Blank lines can be kept or skipped depending on the mode.
- Quick samples help you preview common numbering styles.
Walk through it
Follow the same sequence you see in the tool
Workflow
Add line numbers
Use this path when you want a numbered block for reference.
- Paste the text block.
- Choose the numbering style you want.
- Run the tool and copy the numbered output.
What you get
Check the result before you copy it into the next step
Numbered lines
A copy-ready block with line numbers added.
Blank-line handling
The result shows how empty lines were treated.
Avoid these mistakes
Small input problems create the biggest conversion errors
Numbering the wrong block
Make sure the pasted text is the one you want annotated.
Unexpected blank line handling
Check whether blank rows should stay visible.