Design CSS animations for modal and pop-up reveals. Choose from scale, slide, fade, and bounce entrances — configure timing and easing — then copy the keyframe CSS for your project.
Open Pop-up Animation Builder → free, no sign-inModal and pop-up animations are easy to get almost right but hard to get actually right — the easing feels off, the scale overshoot is too aggressive, or the timing doesn't match the rest of the UI. The Pop-up Animation Builder lets you configure and preview different entrance animations — fade in, scale up, slide from edge, bounce — with control over duration, easing, and any overshoot, producing a keyframe CSS block ready to drop into your stylesheet.
Front-end developers implementing modals, dialogs, tooltips, or notification toasts who want a refined entrance animation without hand-tuning @keyframes values through trial and error.
No tutorials. No learning curve. Open it and get started.
No server uploads. Everything runs locally in your browser. Your files and data never leave your device.
Completely free. No trial period. No premium tier for basic functionality. No account required. Use it as often as you need.
One job, done well. Pop-up Animation Builder was built to solve a specific problem cleanly. No feature bloat, no ads, no distractions.
Does it generate the full modal CSS or just the animation?
It generates the @keyframes animation and the animation property value. You apply it to your existing modal CSS.
Can I create exit animations?
Yes — the tool supports both entrance and exit animation configuration.
Do the animations work in all browsers?
Yes — CSS animations are fully supported in all modern browsers.
Is JavaScript needed?
The animation is CSS — but you'll need JavaScript to toggle the open/closed class on your modal.
Is this free?
Yes — free with no sign-in.
Free. Instant. No sign-in. Open it and get the job done.
Open Pop-up Animation Builder on Doathingy.com →