QUICK ANSWERStart with the tool that matches your immediate input.
Open Add Subtitles to Video first when its stated purpose matches the result you need now. Use Add Text to Video only when it solves a separate next task.
This guide is for creators, teachers, editors, and social teams. Start with Add Subtitles to Video when your immediate task is to convert your file or data with the Add Subtitles to Video directly in your browser. Move to Add Text to Video only when you also need to convert your file or data with the Add Text to Video directly 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 Add Text to Video solves a genuinely different next step.
Both tools sit in Video Tools, but they handle different inputs or outcomes. Keeping those roles separate reduces repeated work and makes verification easier.