Add Line Number Tool for Text

1. This tool can add line numbers to specified text.

2. If no line numbering symbol is specified, the default is numeric symbols, such as: 1 2 3.

3. For numeric line numbers, you can set the sorting order, such as descending or ascending.

4. For numeric line numbers, you can choose whether to add leading zeros to ensure the numbers are fully aligned.

5. When setting line numbers, you can filter out blank lines in the text.

6. If you set line numbers to a combination of numbers and letters (e.g., u001, u002), you can use the tool to process the text multiple times.

6. This tool does not collect any of your processed data, so you can use it with confidence.