QUICK ANSWERStart with the tool that matches your immediate input.
Open Deskew Scanned PDF first when its stated purpose matches the result you need now. Use Split PDF only when it solves a separate next task.
This guide is for students, office teams, administrators, and document-heavy workflows. Start with Deskew Scanned PDF when your immediate task is to use the Deskew Scanned PDF to complete this file task privately in your browser. Move to Split PDF only when you also need to use the Split PDF to complete this file task privately in your browser.
The goal is not to run two tools automatically. It is to finish the first narrow task, inspect its result, and then decide whether Split PDF solves a genuinely different next step.
Both tools sit in PDF Tools, but they handle different inputs or outcomes. Keeping those roles separate reduces repeated work and makes verification easier.