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Turn your lecture slides into narrated videos

Upload the deck you already teach from. SlideSpeak writes a narration script for every slide, records it in an AI voice or a clone of your own, and exports an HD video — no recording booth, no retakes.

Trusted by educators at leading schools and universities

Stanford University
University of Cambridge
UCLA
Pennsylvania State University
University of Texas
How it works

From deck to lecture video

The slides do not change. The narration is the part you no longer have to record.

PowerPoint Icon

Upload your lecture deck

Start from a PowerPoint, Google Slides deck, or PDF — or from a presentation you generated in SlideSpeak.

Choose a voice and review the script

The AI writes a narration script for each slide. Edit any line, regenerate it, or swap the voice before anything is recorded.

Generate and share the video

Set the playback speed, captions, and video quality, then export an HD MP4 you can post to your LMS or share with the class.

Narration

The part that usually takes the evening

Writing the script, recording it, and re-recording the slide you fluffed — all of that becomes an edit instead of a take.

A script written from your own slides

SlideSpeak reads each slide and writes narration that matches what is actually on it. Every line is editable, and you can regenerate any one of them without touching the rest.
AI Voice
AI Video
0:008:24

50+ AI voices across 20+ languages

Pick a voice that suits the subject, or record the same lecture in another language for students who need it. You can preview a voice before committing to it.

SlideSpeak AI Voice Engine

Calm

Professional & Authoritative

Confident

Soothing & Clear

Energetic

Dynamic & Engaging

Education

Business

Creative

Or narrate it in your own voice

Clone your voice once and use it for the rest of the course, so asynchronous lectures still sound like you rather than like a stock narrator.
A narrated lecture video generated from slides, with its transcript

Give students the script too

Print the narration script or download it as a PDF, so students can read along, annotate it, or revise from it later.
Download

PowerPoint

Download editable slides

Export to Google Slides

Directly edit in Google Slides

Voice library

50+ natural AI voices across 20+ languages

Listen before you pick. Every voice is tuned to sound like a person presenting, not a screen reader.

Adam

Male

Alloy

Male

Amanda

Female

Amber

Female

Ana

Female

Andrew

Male

Aria

Female

Ash

Male

Ashley

Female

Ava

Female

Brian

Male

Christopher

Male

Cora

Female

Davis

Male

Emma

Female

Eric

Male

Evelyn

Female

Roger

Male

Jenny

Female

Jason

Male

Where it helps

What teachers turn into video

Mostly the lectures that have to exist twice — once in the room and once for everyone who was not in it.

Flipped classroom

Send the lecture home as a video and use the lesson itself for questions, practice, and discussion instead of delivery.

Pre-class video

Catch-up for absent students

Every lesson has someone who missed it. Post the narrated version so they can catch up without you teaching it twice.

Catch-up

Online and asynchronous courses

Build a course students work through at their own pace, with captions on and the narration script available to read alongside.

AsynchronousCaptions

Revision material

Turn a revision deck into a video students can rewatch before an exam, at whatever speed suits them.

Revision
The models behind it

Built on the models your students already use

SlideSpeak combines best-in-class models for reading your material, writing questions and narration, and generating imagery.

ChatGPT 5.6

by OpenAI

Claude Opus 5

by Anthropic

Gemini 3.1

by Google

FAQ

Questions teachers ask

What goes in, what comes out, and what students end up with.

Get started today

Record the lecture once, and not at all

Upload the deck, edit the script, pick a voice, and let SlideSpeak produce the video your students watch back.