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Add/Remove Line Numbers

Free online tool to add or remove line numbers from text.

Use Cases

  • Code snippets and examples
  • Documentation and tutorials
  • Ordered lists and instructions
  • Log files and debugging
  • Text file analysis

Separator Examples

Dot (.):
1. First line
2. Second line
3. Third line
Parenthesis ():
1) First line
2) Second line
3) Third line
Pipe (|):
1| First line
2| Second line
3| Third line

Key Features​

  • Add/Remove Mode: Add or remove line numbers
  • Start Number Setting: Start from desired number
  • Delimiter Selection: 6 delimiter styles
  • Alignment Option: Clean alignment with padding
  • Auto Detection: Automatically recognizes number patterns in remove mode
  • Instant Copy: Copy results with one click

Delimiter Styles​

1. Dot​

1. First line
2. Second line
3. Third line

Use: General lists, documents

2. Parenthesis​

1) First line
2) Second line
3) Third line

Use: Ordered lists, step-by-step guides

3. Colon​

1: First line
2: Second line
3: Third line

Use: Log files, data analysis

4. Pipe​

1| First line
2| Second line
3| Third line

Use: Code examples, terminal output

5. Bracket​

1] First line
2] Second line
3] Third line

Use: Technical documentation, references

6. Brace​

1} First line
2} Second line
3} Third line

Use: Special formats, unique styles

Alignment Option​

Without Padding​

1. Line one
2. Line two
...
98. Line ninety-eight
99. Line ninety-nine
100. Line one hundred

With Padding​

  1. Line one
  2. Line two
 ...
 98. Line ninety-eight
 99. Line ninety-nine
100. Line one hundred

Padding aligns all numbers to the same width.

Use Cases​

1. Code Snippets​

1. def fibonacci(n):
2.     if n <= 1:
3.         return n
4.     return fibonacci(n-1) + fibonacci(n-2)

2. Documentation​

1. Introduction
2. Installation
3. Usage
4. Troubleshooting
5. References

3. Log File Analysis​

1: [2024-01-15 10:30:00] INFO: Server started
2: [2024-01-15 10:30:05] INFO: Connection established
3: [2024-01-15 10:30:10] ERROR: Timeout occurred
4: [2024-01-15 10:30:15] INFO: Retry attempt 1

Frequently Asked Questions​

Q: Can I start from a specific number?​

A: Yes, set the desired number in the "Start Number" option.

Q: Does removal recognize all number formats?​

A: Yes, it recognizes common patterns (1., 1), 1:, 1| etc.).

Q: How are blank lines handled?​

A: Blank lines are also numbered. To skip them, process manually.

Q: Can it handle very long text?​

A: Yes, within browser memory limits.

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Privacy​

This tool operates entirely on the client side. Your text is never sent to a server and is processed only in your browser.