AI Voiceover for PowerPoint
Add AI voice to your PowerPoint presentation in minutes. Upload your .pptx, auto-extract speaker notes, and generate slide-by-slide voiceover with 550+ AI voices. Download your PPTX back with audio embedded per slide.
Your slides are ready. They just need a voice.
Drop a .pptx file or click to browse
PPTX, PPT, Keynote (exported as .pptx) — up to 200 MB
or open the editor to paste your slide scripts directly
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Press play. Hear the difference.
These voiceovers weren’t recorded in a studio. AI made them from text.
Built for Presentation Voiceover
Everything you need — voices, presets, per-slide control, and 57 languages.
Speaker Notes Extraction
Upload your .pptx and Notevibes pulls out speaker notes from every slide. Your narration script is ready instantly — no copy-pasting needed.
Per-Slide Voice Control
Assign different voices, delivery presets, and style modifiers to individual slides. Multi-speaker presentations are easy with per-slide control.
Embedded Audio in PPTX
Download your original PowerPoint with audio embedded per slide. Each slide auto-plays its narration on transition — no manual audio insertion.
Delivery Presets & 57 Languages
Presentation, Corporate, Training, Keynote — each tuned for a specific context. Create multilingual presentations with native-sounding voices.
Slides in. Voiceover out.
Input
Quarterly review .pptx
Output
Narrated board presentation
Upload a quarterly review deck, pick Corporate preset with Professional + Authoritative tones. Download the PPTX with narration embedded per slide — ready for boardroom or async review.
Input
Onboarding slide deck
Output
Narrated training module
HR uploads a 30-slide onboarding deck. Training preset with Warm + Patient tones creates consistent, clear narration across all modules. New hires self-serve at their own pace.
Input
Sales pitch .pptx
Output
Persuasive narrated deck
Sales team uploads a pitch deck, selects Sales Pitch preset with Confident + Persuasive modifiers. Investors review narrated slides async — the pitch lands even without a live presenter.
Input
Webinar slides + notes
Output
On-demand webinar recording
Upload webinar slides after the live session. Webinar preset with Conversational + Engaging tones turns them into an on-demand recording. Same energy, available forever.
How to Add AI Voiceover to a PowerPoint Presentation
Adding an AI voiceover to your PowerPoint presentation with Notevibes takes less than five minutes. Start by uploading your .pptx file — drag it into the editor or click to browse. Notevibes automatically extracts the speaker notes from every slide and organizes them as your narration script. No copy-pasting, no reformatting. If you don't have speaker notes yet, you can type or paste your script directly into the slide-by-slide editor.
Next, choose an AI voice and a delivery preset. Notevibes offers 550+ voices across 57 languages — from American English to Japanese, French, Arabic, and beyond. Select a preset like Presentation, Corporate, Training, or Keynote to match the tone of your content, then fine-tune with style modifiers like “Confident,” “Engaging,” or “Professional.” You can assign different voices to different slides for multi-speaker presentations or to distinguish between topics.
Click generate and Notevibes creates a slide-by-slide voiceover from your script. A 20-slide deck typically finishes in under 30 seconds. Preview each slide's narration, adjust pacing or emphasis if needed, then download. The easiest option is to download your original PPTX with audio embedded per slide — each slide auto-plays its narration on transition when you enter slideshow mode. No manual audio insertion required. You can also download the audio separately as MP3 or WAV for use in video editors or other workflows.
This automated voiceover workflow replaces the need for recording yourself in PowerPoint, hiring a voice actor, or spending hours on manual audio syncing. Whether you need a free automatic voice over for a quick internal deck or professional narration for a client presentation, the process is the same: upload, choose a voice, generate, download.
Why Add AI Voiceover to Your Presentations
Narrated slides are more engaging, more accessible, and easier to share than silent decks.
Save Hours of Recording Time
Skip the recording studio. AI voiceover for PowerPoint generates professional narration in seconds — no microphone, no retakes, no editing. Update a slide and regenerate just that audio without re-recording the entire deck.
Scale Across 57 Languages
Turn one English presentation into 57 localized versions with native-sounding voices. Sales teams pitch in the prospect’s language. Training teams onboard global offices with the same deck, different voiceovers.
Sound Professional Every Time
AI voices deliver consistent, polished narration without the variability of live recording. No background noise, no vocal fatigue, no accidental ums. Every slide sounds studio-quality, whether it’s your first deck or your fiftieth.
Make Presentations Accessible
Audio narration makes your presentations accessible to people with visual impairments, reading difficulties, or anyone who absorbs information better by listening. Meet accessibility requirements without extra effort.
Try it free — no credit card required
Upload a PowerPoint and hear the difference in under a minute.
Start creating for freeAI Voiceover vs. Recording Yourself
PowerPoint has a built-in recorder. Here's how it compares to automated AI voiceover.
Who Uses Automated Voiceover for PowerPoint
From corporate training to classroom lectures — AI voiceover fits wherever presentations do.
L&D & Training Teams
Learning and development teams narrate onboarding decks, compliance modules, and process training at scale. Upload the .pptx, select the Training preset, and produce consistent narrated modules across departments — without booking a single recording session. One voice, one tone, every module.
Sales & Marketing Teams
Sales teams send narrated pitch decks to prospects who review them async — the pitch lands even without a live presenter. Marketing teams repurpose webinar slides into on-demand content with AI voiceover. The Sales Pitch preset delivers confident, persuasive narration that closes deals.
Educators & Speakers
Teachers turn lecture slides into narrated lessons students can replay at home. Conference speakers pre-record presentations with the Keynote preset for events they can't attend in person. The AI voice sounds natural enough that audiences can't tell the difference — and speakers can present at multiple events simultaneously.