Koosa

Create modals, announcements and surveys on any page — no code required. Supports dark mode, targeting, and segments.

Koosa lets you create modals and in-app announcements for your website without writing a single line of code. Once you've added the Koosa script to your site, open this extension on any page and a clean editor slides in. Write your content, add an image, set a CTA, and you're done. The modal goes live immediately. What you can do: • Create multi-step modals for announcements, onboarding flows, or feature callouts • Target specific pages or trigger modals after a delay • Toggle modals on or off without redeploying anything • Manage everything from the editor right on your live site • No config files. No PRs. No waiting on a developer. Koosa is built for product teams, marketers, and founders who need to ship fast. If you can type, you can build a modal. Getting started You'll need a Koosa account and the install script on your site. Once that's done, open the extension on any page and start building.