Three steps. That's it.
Turn your PowerPoint into a narrated video in three easy steps.
Upload File
Upload your .pptx file. Drag & drop or click to browse. Your file is processed securely.
AI Converts
Our AI reads every slide, generates narration, adds transitions, and renders a high-quality MP4 video.
Download
Your video is ready in minutes. One click to download as MP4 — share it anywhere.
Built for quality, speed & security
See exactly how SlideSpeak handles every aspect of turning your slides into a video.
Convert PowerPoint to MP4 Video
Transform any PowerPoint into a polished MP4 video with AI-generated narration and automatic transitions. Preserve your slide design, layout, and content exactly as-is — every chart, image, and animation stays pixel-perfect in the finished video.
FREE & No Sign up Required
Our PowerPoint to Video converter is 100% free with no account required. Upload your file and download the narrated video — nothing to install, nothing to pay for.
Safe and secure processing
At SlideSpeak, we prioritize data security and privacy above all else. Your presentation is encrypted in transit and at rest, processed on secure servers, and automatically deleted after your video is ready. We never share your files with third parties.
AI Narration & Transitions
Every slide gets natural-sounding AI narration and clean transitions without any manual setup. Need 50+ voices, 20+ languages, or to edit the script before export? Upgrade to our AI Video Maker for full control.
Why choose SlideSpeak?
Accurate, fast and reliable. Our FREE tool to turn any presentation into a narrated video.
Pixel-perfect conversion
Your slide design, layout, charts, and images are preserved exactly as-is throughout the video.
Multi-language support
Upload presentations in any language — our AI reads the slide content directly for accurate narration.
Blazing fast rendering
AI narration and video rendering happen in parallel on our servers. No slow client-side processing.
AI voiceover & transitions
Natural-sounding AI narration, smooth transitions, and proper pacing — all generated automatically.
Secure processing
Your PowerPoint files are encrypted in transit and deleted automatically after conversion.
MP4 output
Get a standard MP4 video that plays everywhere — YouTube, LinkedIn, email, LMS platforms.
Fast, reliable, at any deck size
Most videos render in a few minutes. Our server-side engine generates narration and renders video in parallel — no waiting on your browser.
<5min
Avg. render time
99.9%
Conversion accuracy
500+
Slides supported
140K+
Videos generated
How We Stack Up
See why users choose SlideSpeak to turn their PowerPoint presentations into videos.
| Features |  | PowerPoint Desktop | Synthesia | Pictory |
|---|---|---|---|---|
| Free to use | Free | Paid license | Limited free | Free trial |
| Signup required | No signup | Required | Required | Required |
| AI narration | Included | Manual only | Included | Included |
| Watermark-free output | No watermark | No watermark | Watermarked | Watermarked |
| Secure processing | Encrypted | Local | Encrypted | Encrypted |
| Price | Free | Paid | Freemium | Freemium |
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Frequently Asked Questions
Everything you need to know about converting PowerPoint presentations into AI-narrated videos.
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