Vibeknow

Free AI video generator that turns documents, PDFs, PPT, and URLs into polished videos with voiceover and visuals — for explainers, demos, and training.

Free AI video generator that turns documents, PDFs, PPT, and URLs into polished videos with voiceover and visuals — for explainers, demos, and training. Drop a doc, PDF, or paste a link. We script it. We voice it. We edit it. You post it. three minutes We handle the full production stack — not just one piece. You stay in the parts that need your taste; we handle the rest. A Google Doc, Notion page, blog URL, PDF — anything you've already written. Just drop it in. We write the script, pick the voice, design every visual, add music, cut it tight. Like a director calling the shots.

• Free AI Explainer Video Generator from Docs & PPTs How it works
• Vertical (9:16) and landscape from one source
• Your voice, your pace — not “AI corporate narrator”
• One-click to YouTube Shorts, Reels, TikTok
• Auto-captions in the platform's native style
• Chapter-by-chapter renders from one upload
• Add quizzes & timestamps to any video
• Re-render when content updates — students get the new version

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