With this online tool, you can remove lines from a text that meet certain criteria. For example, it allows you to remove all blank lines or lines that contain a particular search term. It is also possible to remove all lines that occur more than once. This is useful, for example, to remove duplicates from a list of numbers.

Instructions for using the tool

First, enter the list to be edited into the input field. The next step is to select the type of lines that are to be removed. The choices are: removing blank lines, remove duplicate lines, remove lines that contain specific text or not. Optionally, you can ignore the case. Finally, simply click on the button labeled "Remove lines" to begin the process.