QUICK ANSWERStart with the tool that matches your immediate input.
Open Flip Image first when its stated purpose matches the result you need now. Use Grayscale Image Converter only when it solves a separate next task.
This guide is for creators, marketers, designers, and website owners. Start with Flip Image when your immediate task is to open the original Flip Image and complete the task with a focused browser-based interface. Move to Grayscale Image Converter only when you also need to open the original Grayscale Image Converter 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 Grayscale Image Converter solves a genuinely different next step.
Both tools sit in Image & Design, but they handle different inputs or outcomes. Keeping those roles separate reduces repeated work and makes verification easier.