Nexa — Product Videos and Documentation in Minutes, with AI

Turn raw screen recordings into narrated videos and step-by-step docs with AI — in minutes, right from your browser.

Record your SaaS flows as if you were explaining to a user — AI turns it into living documentation. Speak naturally, no script needed. You can pause, make mistakes, or redo parts — AI rewrites your script, generates professional voiceover, and keeps everything perfectly in sync with the video. From a single recording, everything is ready — no extra tools needed: - Hosted video with professional narration - Step-by-step article with screenshots - Full help center, ready to use - An AI agent embedded in your product Everything is connected: The article text matches exact moments in the video. When a user asks the AI agent something, they’re taken straight to the relevant video timestamp. How it works: - Record while explaining your flow - Edit with AI (rewritten script + synced voice) - Publish — we host everything One recording becomes complete, always up-to-date documentation. Start free and document your product in minutes.