How to make a launch demo video for an AI tool
The demo video is the strongest piece of proof on a launch page, and most are too long to survive a feed. This Launchelion guide covers the length that works, the four-part structure, a recording setup with no budget, and where the same file should be reused across launch surfaces.
By the Launchelion team
On launch day a visitor gives you seconds, not minutes. A demo video works because it answers what does this do faster than any paragraph can, and it fails when it opens with a logo animation, a founder introduction, or a problem statement the viewer already agrees with.
The rule is simple: the product should be doing something on screen within the first five seconds.
How long should a launch demo be?
Between 30 and 60 seconds for the version on your landing page and in a launch listing gallery. Anything longer belongs in documentation, not on a launch surface. If your core flow genuinely needs three minutes to demonstrate, that is a product finding, and it will show up as a low activation rate on launch day whether or not the video mentions it.
The four-part structure
Never cut away from a slow step without saying so. A video that hides a two-minute processing wait produces signups that churn the same hour, and a comment thread that says the demo was misleading.
- Seconds 0 to 5: the input. Show the real thing a user brings, a file, a prompt, a URL.
- Seconds 5 to 25: the work. Show the actual interface doing it, at real speed or honestly sped up with a visible label.
- Seconds 25 to 45: the output, and one moment where the result is obviously good.
- Final seconds: one line of text with the product name and what it costs to try.
How do you record it without a budget?
Screen capture at a fixed window size, a clean browser profile with no bookmarks bar and no notifications, and a rehearsed run so the cursor does not wander. Record several takes of the same flow and keep the one where nothing hesitates.
Add burned-in captions. Most people watching a feed have sound off, and a demo whose explanation lives only in a voiceover explains nothing to them. Captions also make the video useful in the listing galleries that autoplay muted.
Export at a size that loads instantly on a phone. A demo that buffers on launch day is a demo that does not get watched, and the visitor who bounced during the spinner is not coming back tomorrow to try again.
Where does the same file go?
Reuse one file across every launch surface so the story stays identical: the landing page above the fold, the launch feed gallery, your directory and leaderboard listings, the announcement email as a thumbnail linking out, and the reply you paste when someone asks what it does.
Keep a still frame from the strongest moment as your listing thumbnail. It is the image that decides whether anyone clicks your row in a crowded launch week.
The failures worth avoiding
Three recur constantly: a video that shows a mockup instead of the product, a video with music loud enough that people mute it and then see nothing, and a video recorded on a staging environment with fake data so obviously invented that it undermines the rest of the page. Record the real product with real input, even if the real product is uglier.