uPresenter

Voice & media

Add narration, video and 3D — no studio needed

Paste a script and AI reads it in a natural voice, record yourself with your mic, drop in a video or a 3D model learners can spin — all from one Media menu in the editor.

  • 9 AI voices
  • 29 speaking styles
  • Video, audio & 3D

Richer lessons without extra tools

Narration in seconds

Type your text, pick a voice and style, then click Generate AI Speech — the audio lands right on the slide.

Every media type, one menu

Images, audio, video, YouTube, Vimeo, Dailymotion and 3D models all live in the Media menu.

A reusable media library

Everything you upload lands in Resources, sorted into images, videos, audio and models, ready to reuse on any slide.

Text to speech

An AI voice for every slide, in the tone you want

Preview 9 voices with different personalities — deep, calm, upbeat or storytelling — then pick a speaking style that fits the lesson.

  • 29 styles: Patient Teacher, Professional, Friendly, Bedtime Story…
  • Up to 8,000 characters per generation
  • Prefer your own voice? Record with your mic, pause and pick up again

Video & audio

Video and audio that drive the lesson forward

Upload your own video and audio or embed from YouTube, Vimeo and Dailymotion. Turn on autoplay, loop and controls, then use the On Ended event to move on automatically.

  • MP4 and WebM video up to 50 MB; MP3, WAV, M4A and more up to 30 MB
  • Controls, Autoplay and Loop settings per object
  • Play, pause and mute buttons you design yourself

AI images & editing

Generate illustrations with AI, then edit them in place

Describe the image you need and choose a style, aspect ratio and model. Then remove the background, crop, flip or apply filter effects without leaving the editor.

  • 12 image models, including Imagen 4, Flux Pro, Ideogram 3 and Recraft
  • 14 styles: Photography, Anime, Isometric, Line Art, Pixel Art…
  • Remove Background, Crop, brightness, contrast, grayscale, sepia and more

Resources & 3D models

A media library for your lesson, and 3D models learners can spin

Resources keeps every image, video, audio file and model you upload, searchable and reusable. Insert GLB or GLTF 3D models so learners can rotate and inspect them from every angle.

  • Upscale images with AI at 2×, 4× or 8×, with optional face enhancement
  • Convert images to PNG, JPG or WebP
  • 3D models: choose the scene and default rotation

FAQ

Frequently asked questions

How many AI voices are there?

9 voices with distinct personalities, each with a sample you can preview. You can also add one of 29 speaking styles, such as Patient Teacher, Professional or Dramatic.

How much text can I convert to speech at once?

Up to 8,000 characters per generation. AI voices and AI images use credits from your account.

Can I use my own voice?

Yes. Choose Record Audio in the Media menu, pick your mic, record, pause and continue, play it back and insert it on the slide. You can also upload an existing audio file.

Which media formats are supported?

Images: JPG, PNG, GIF, SVG, WebP, AVIF, BMP (up to 5 MB). Video: MP4, WebM (up to 50 MB). Audio: MP3, WAV, AAC, OGG, FLAC, OPUS, M4A (up to 30 MB). 3D: GLB, GLTF (up to 50 MB).

Can I embed YouTube videos?

Yes. The Media menu has YouTube, Vimeo and Dailymotion built in. Embedded videos have options to show controls and autoplay.

Give your lesson a voice

Start free, with a 14-day Pro trial and no card needed.