How to Make a Demo GIF for Email
August 22, 2026
Interactive demos cannot run in an email. Mail clients strip iframes and scripts, and video does not autoplay in most of them.
A GIF is the one format that moves inside a message, which is why it is worth having despite being technically the worst of the options.
What actually works in email
- An animated GIF. Autoplays in Gmail and Apple Mail. Outlook on Windows shows only the first frame.
- A static image linked to the demo. Works everywhere, always. The dependable baseline.
- Not an embedded demo. Iframes are stripped by every mail client and always will be.
- Not autoplaying video. Support is patchy and it silently degrades to nothing in the clients that matter.
Make frame one a deliberate cover
Because Outlook shows only the first frame, that frame is what a large share of business recipients will see. Make it a legible screen with your product visible — ideally one that stands on its own.
Do that and the GIF degrades into a static image for Outlook rather than into nonsense.
Keep it small enough to arrive
- Under about 2MB. Gmail clips heavy messages, and a clipped message hides your call to action.
- Around 600-800px wide, which is legible in an email column without inflating the file.
- Roughly 10 frames a second. Lower and motion reads as a stutter.
- Ten to fifteen seconds. Longer GIFs are large, and nobody watches a long one in a message anyway.
Always link the real demo underneath
The GIF earns attention; the link is where the interactive version lives, where the viewer can go at their own pace and where you get per-step analytics.
In Demorta, Export GIF sits beside Export video and PDF in the editor and produces a file with those constraints applied — 720px, 10fps, and the whole demo sped up to fit rather than cut short.
Frequently asked questions
- Can you put an interactive demo in an email?
- No. Mail clients strip iframes and scripts, and video does not autoplay in most of them. An animated GIF is the only format that moves inside a message, with a static image linked to the demo as the dependable fallback.
- How big should an email GIF be?
- Under about 2MB, around 600-800px wide, roughly 10 frames per second, and ten to fifteen seconds long. Gmail clips heavy messages, and a clipped message hides your call to action.
- What happens to a GIF in Outlook?
- Outlook on Windows shows only the first frame, so make frame one a legible screen that stands on its own. Done that way the GIF degrades into a static image rather than into nonsense.
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