CSS Transition Generator

Build CSS transition declarations with live preview. Pick properties, duration, easing, and delay. 100% free, private, and browser-based — no sign-up.

, }} onMouseEnter={(e) => { (e.currentTarget as HTMLDivElement).style.backgroundColor = "#4A6FA5"; }} onMouseLeave={(e) => { (e.currentTarget as HTMLDivElement).style.backgroundColor = "#1F3A5F"; }} > Hover Me

Hover the box to preview the transition.

Who Is This For?

  • Frontend developers polishing UX
  • Designers hand-specifying motion
  • Students learning CSS transitions

Common Uses

  • Button hover effects
  • Card lift animations
  • Color fade transitions

Frequently Asked Questions

What is a CSS transition?

A way to smoothly animate changes to CSS properties over a specified duration.

Is this processed locally?

Yes. The preview and code generation are entirely client-side.

Should I use custom cubic-bezier?

Custom curves give unique motion feel. The default ease-in-out is safe for most cases.

About CSS Transition Generator

A well-tuned CSS transition is the difference between a UI that feels cheap and one that feels polished. This generator lets you experiment with

, duration, easing curves, and delay in real time and copies the exact CSS you need.

Choosing the Right Duration

150ms and 300ms. Faster than 100ms feels instant (no perceived animation), slower than 400ms feels sluggish. Hover states should be on the shorter end (~150ms); larger movements like drawer or modal entrances can go up to 400ms. Page-level transitions occasionally justify 500ms but rarely more." }} />

Picking an Easing Curve

ease-out is the safest default for UI — it starts fast and decelerates, which feels responsive to user input. ease-in is best for elements leaving the screen. ease-in-out suits movements where the element neither starts nor ends in user view. Avoid plain

." }} />

More Frequently Asked Questions

What is the difference between transition and animation?

Transitions interpolate between two states triggered by a change (hover, class toggle). Animations run through keyframes you define.

Why isn't my transition working?

Both the starting and ending values must be explicit. Transitioning from

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