Quick Start
- Visit HeronTool's Add Line Numbers tool.
- Paste or type your text into the input area.
- Choose the starting number (default 1), step (default 1), and separator (e.g., colon or period).
- Click "Add Line Numbers" – the processed text appears in the output box, ready to copy.
Removing Line Numbers
- To remove existing line numbers, ensure each line starts with a
number+separatorformat. - In the tool page, select the "Remove Line Numbers" mode (switch tabs in some versions).
- The system auto-detects and strips the numbers, preserving the rest. If the format is irregular, first normalize it by adding line numbers, then remove.
Practical Tips
- Code diffing: Add line numbers to two code snippets and compare line by line.
- Document review: Number long documents for team references.
- Custom separators: Use spaces or tabs to paste directly into tables or code editors.
- Large text: HeronTool handles sizable inputs, but split huge files for faster processing.
FAQ
Q: How to undo line numbering?
A: Use "Remove Line Numbers" or copy the original text and reprocess.
Q: Can line numbers be non-English?
A: Numbers are digits only, but text content can be any language.
Q: Alignment issues with line numbers?
A: Use a monospaced font to view, or adjust the separator to multiple spaces.
Q: Can I start from a specific number?
A: Yes, set the starting number (e.g., 10) in the input field.
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