Transitions.dev: UI Transitions for Web Apps and AI Agents

LinkJakub AntalikResource

Transitions.dev is a curated library of user interface transitions for web applications. The collection includes standard UI components as well as interaction patterns tailored for AI interfaces, designed to be copied directly or utilized by coding agents via a skill.

Key points

  1. Extensive library of UI transitions for modals, dropdowns, accordions, loaders, and text swaps.
  2. Dedicated motion designs for AI interfaces, including streaming text, thinking states, and image generation placeholders.
  3. Available via direct copy-and-paste or integration into coding agents through an agent skill.
  4. Includes a Refine tool, documentation covering installation and accessibility, and an optional Pro tier.

Why it matters

Polished micro-interactions and explicit state transitions improve the perceived performance and feel of web applications. Providing motion presets optimized for coding agents streamlines the implementation of complex animations in production codebases.

Analysis

The resource targets frontend engineers looking for production-ready UI motion. Besides standard interface patterns like form validation shakes, tab sliding, and modal zooms, the library notably accounts for AI-specific UX challenges, offering transitions for streaming responses, chain-of-thought states, and asynchronous reasoning.

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Summary generated by AI (Gemini 3.8 Flash, 27 September 2026). It may contain errors – the original source is authoritative.

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