A free popup and form builder, minus the catch
Create popup boxes, slide-ins, and embedded forms at no cost — with the display triggers and targeting of a serious builder. The paid part of LeadsWithDemos isn’t the builder; it’s the strategy that decides what’s worth building.
What you can build at no cost
All three capture formats, built and styled in your brand, not a single-format teaser with the useful parts behind a paywall.
Popup boxes
Deliberate attention for strong offers.
Slide-ins
Presence at the edge, without interruption.
Embedded forms
Inline asks in the content’s flow.
Real controls, not a teaser
Free doesn’t mean crippled. The display controls that make capture respectful (triggers, timing, positions, and page targeting) are part of the free builder.
So what’s the catch?
On building, there isn’t one. The builder is free because the hard part of email capture was never the popup. It’s knowing what to offer, where, and to whom. That’s what the List Growth Agent is for: it audits your site, builds your capture plan, and drafts the assets for your review. Build manually for free, or upgrade when you want strategy recommendations.
Meet the List Growth AgentYou build it
All three formats, full display controls. You decide what to offer and where it goes.
Recommended for review
The audit reads your pages, the plan ranks what to build, and drafts arrive for your review.
Start free. Upgrade when you want strategy.
Build your first popup, slide-in, or embedded form today, and when you’re ready to stop guessing what to build, the agent is one upgrade away.
Is the popup builder really free?
Yes. Creating popup boxes, slide-ins, and embedded forms manually is free, including design controls, the display triggers, positions, and page targeting. It’s a working builder, not a trial that expires or a teaser that locks the useful parts.
What does the paid plan add?
The List Growth Agent, the strategy layer. It audits the readable pages on your site, turns the approved audit into a ranked capture plan, and drafts the assets in your brand direction for your review. The free tier is the builder; the paid tier is the strategy recommendation layer.
Is this another AI popup builder?
No, almost the opposite. AI popup builders generate more popups faster; LeadsWithDemos starts earlier, with whether a popup is even the right call for that page. The free builder is deliberately conventional. The intelligence lives in the audit and the plan, where it actually changes outcomes.
Can I switch to the agent later?
Yes. The agent works on the same sites you build on manually, so nothing is wasted. Change your site’s plan when you want the strategy handled, and keep everything you already built.
Which formats can I build free?
All three: popup boxes, slide-ins, and embedded forms. If you’re unsure which fits a page, the formats guide walks through the reader moments each one is made for.