Your argument kept
The script follows your post, not a summary of it.
Turn a Substack post into a video.
Paste the link to a public Substack post. Demovanta turns your argument into a narrated video that brings viewers back to your newsletter.
Grow the newsletter where people watch.
Newsletters grow by being found, and most discovery now happens on video. Demovanta turns a post into a video that makes your point in a few minutes and sends viewers back to subscribe.
It reads the public post, keeps your argument and voice, and rewrites it for speaking. You approve the plan before anything is made.
Publish a landscape version to YouTube and a short portrait cut to Shorts, Reels or TikTok.
From a post to a video.
Paste the post link
Any public Substack post.
Choose the length and shape
A full video, a Short, or both.
Agree the plan
Check the points the video makes.
Publish
Download it or publish from a connected account.
Your writing, as video.
Narrated naturally
Or in your own cloned voice on Plus and Pro.
Long and short versions
Landscape for YouTube, portrait for Shorts.
Metadata included
A title and description that point back to you.
Posts that make good videos.
Essays
Your argument, in a few minutes.
Explainers
The how and why, with the post's pictures.
Announcements
News for your readers, as a video they can share.
Pricing choices
Every account starts with free welcome credits and no card. When they run out, choose pay-as-you-go, a top-up, or a Basic, Plus or Pro plan.
Review pricingFrequently asked questions
Does it work with paywalled posts?
It reads public posts. Use a free post or the free part of one.
Can it use my own voice?
Yes, on Plus and Pro, with a cloned voice.
Does Demovanta start making anything before I sign in?
No. Your request waits until you sign in. Nothing is read, generated or charged before that.
Can I review the plan before the video is made?
Yes. Demovanta shows you what the video will cover, in order, and you can change it in the chat before anything renders.
Do I need a card to try it?
No. Every account starts with free welcome credits and no card. When they run out you choose pay-as-you-go, a top-up or a subscription; nothing is charged automatically.