Standardize your code snippets and documents by adding or stripping line numbers. This tool is perfect for preparing technical documentation where specific lines need reference, or for cleaning up code copied from IDEs and websites that include unwanted line markers. Customize your numbering style and start position with just a few clicks.
Add/Remove Line Numbers
Add sequential numbering to your text lines or strip existing line numbers.
Settings
Input
Result
Processed text will appear here
About Free Online Line Numbering Tool
Provide Content
Paste your text or code into the tool.
Toggle Mode
Choose 'Add' to prefix lines with numbers or 'Remove' to strip them.
Customize
Set starting numbers or separator styles if adding.
Copy Result
Grab the formatted text for your editor or documentation.
Key Features
Clean Stripping
Intelligently identifies and removes existing line numbers and separators.
Custom Numbering
Set your start index and choose between dots, colons, or parentheses.
Code Sample Ready
Prepare your text for technical blog posts or tutorials instantly.
Frequently Asked Questions
Yes, you can choose between dots, parentheses, or custom symbols after numbers.
Yes, the 'Remove' mode is optimized to detect and strip common line numbering patterns.
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