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Line Number Adder

Add line numbers to text or code with customizable formatting options

Key Facts

Category
Text Processing
Input Types
textarea, number, select, text, checkbox
Output Type
text
Sample Coverage
4
API Ready
Yes

Overview

The Line Number Adder is a versatile utility designed to quickly prepend sequential numbers to your text or code blocks, making it easier to reference specific lines in documentation, logs, or programming scripts.

When to Use

  • •When you need to reference specific lines in a long text document or log file.
  • •When preparing code snippets for tutorials or technical documentation.
  • •When you want to organize lists or data entries with clear sequential numbering.

How It Works

  • •Paste your text or code into the input area.
  • •Select your preferred numbering format, such as '1.' or '[1]'.
  • •Adjust optional settings like starting number, padding, or skipping empty lines.
  • •Click to generate and copy your numbered text instantly.

Use Cases

Adding line numbers to error logs for easier debugging.
Formatting code snippets for blog posts or technical articles.
Creating numbered lists from raw text data.

Examples

1. Technical Documentation Snippet

Software Developer
Background
A developer needs to explain a specific logic block in a 50-line script.
Problem
The reader needs to easily identify which line the explanation refers to.
How to Use
Paste the code, select '1: Line' format, and enable 'Skip Blank Lines'.
Example Config
format: 'number-colon', skipBlank: true
Outcome
The code is returned with each line prefixed by '1:', '2:', etc., excluding empty lines, making the documentation clear.

2. Log File Analysis

System Administrator
Background
An admin is reviewing a server log file to find a specific error occurrence.
Problem
The log file is long and lacks reference points for team communication.
How to Use
Paste the log content, set the start number to 100, and use the '[1] Line' format.
Example Config
startNumber: 100, format: 'bracket-number'
Outcome
The log entries are numbered starting from [100], allowing the admin to say 'See error at line 105'.

Try with Samples

text
Number & Currency Samples
Text containing various number and currency formats for testing currency extraction
title token number
text
Phone Number Extractor Samples
Collection of mixed text containing phone numbers from various countries for extraction testing
title token number
text
Duplicate Line Samples
Sample files with various types of duplicate lines for testing duplicate removal tools
title token line
text
EU VAT Number Samples
Collection of EU VAT numbers from all member states for validation testing
title token number
text

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FAQ

Can I start the numbering from a number other than 1?

Yes, you can use the 'Start Number' field to define your own beginning integer.

Does this tool affect empty lines?

By default, it numbers every line, but you can enable 'Skip Empty Lines' or 'Skip Blank Lines' to ignore them.

Can I customize the separator between the number and the text?

Yes, the 'Number Separator' field allows you to define any character or string to appear between the number and your content.

Is there a limit to how much text I can process?

The tool is designed for standard text and code blocks; for extremely large files, we recommend processing in smaller segments.

Does this tool modify my original code syntax?

No, it simply prepends the line number to each line of your input; it does not alter the underlying content of your code.

API Documentation

Request Endpoint

POST /en/api/tools/line-number-adder

Request Parameters

Parameter Name Type Required Description
text textarea Yes -
startNumber number No -
format select No -
padding number No -
separator text No -
skipEmpty checkbox No -
skipBlank checkbox No -

Response Format

{
  "result": "Processed text content",
  "error": "Error message (optional)",
  "message": "Notification message (optional)",
  "metadata": {
    "key": "value"
  }
}
Text: Text

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-line-number-adder": {
      "name": "line-number-adder",
      "description": "Add line numbers to text or code with customizable formatting options",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=line-number-adder",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

If you encounter any issues, please contact us at [email protected]