Chapters, not walls of text
A YouTube script is 900 to 1,500 words. Pasted as one block, any text-to-speech engine flattens the pacing because it has no idea where your sections begin. Split the script where your visuals change: intro, each main point, the recap, the call to action. This page generates each chapter separately and gives you a numbered WAV per part, so you can re-record one chapter after an edit without redoing the whole video. It also keeps every generation under the 600-character free limit without you counting.