Line numberer
Add configurable line numbers to every text line.
Runs in your browserEvery computation happens in your browser — your data never leaves this device.
文本
Result
Processed text result.
Enter text to see the result
Numbered: 0
What this tool does
- Clean and organise text lists.
- Process copied text data in bulk.
- Get copyable results locally.
Example
Input
first second
Output
1. first 2. second
Processes text locally in the browser without reading or writing real file objects.
Frequently asked questions
Does it use the network?
No, all calculations run locally in the browser.
Does it access real files?
No, it only processes text entered in the form.
What happens for invalid input?
The tool validates it strictly and reports an error.
Keywords：添加行号Line numbererline-notextlist