https://workspaceupdates.googleblog.com/2025/09/use-gemini-to-refine-text-in-slides.html
Google Workspace Updates: Use Gemini to refine text in Slides
google workspacerefine textupdatesusegemini
https://redraft.page/
Refine text with your voice — redraft
Fix factual errors, add missing context, improve examples. Scroll through a draft, speak what needs to change, and apply precise edits.
refine textyour voiceredraft