QUICK ANSWERStart with the tool that matches your immediate input.
Open Add Line Numbers first when its stated purpose matches the result you need now. Use Remove Line Breaks only when it solves a separate next task.
This guide is for writers, students, marketers, and teams. Start with Add Line Numbers when your immediate task is to open the original Add Line Numbers and complete the task with a focused browser-based interface. Move to Remove Line Breaks only when you also need to open the original Remove Line Breaks and complete the task with a focused browser-based interface.
The goal is not to run two tools automatically. It is to finish the first narrow task, inspect its result, and then decide whether Remove Line Breaks solves a genuinely different next step.
Both tools sit in AI & Writing, but they handle different inputs or outcomes. Keeping those roles separate reduces repeated work and makes verification easier.