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Motion Top Loading Bar

Route change indicator in an app shell while the next page loads.

Full screen Try a theme

Choose the primitives library your project already uses. Both look the same: your theme, not the variant, controls colors, shape, type and motion.

About this motion

What it's for

  • Route change indicator in an app shell while the next page loads.
  • Top bar that follows reported progress of a data export or a file upload.
  • Loading hint at the top of a panel or preview frame that refreshes its content.

For Multi-step processes where each step has a name, use Motion Step Loader.

Includes

  • Route loading indicator
  • Estimated trickle
  • Reported progress
  • Complete and fade
  • Spinner variant
  • Semantic colour token
  • Viewport or container position
  • Progressbar when determinate

Works with

  • Radix UI and Base UI primitives (pick the one your project uses)
  • React 19, Next.js App Router and Tailwind CSS 4, installed with the shadcn CLI
  • Your theme tokens, in light and dark mode

Install

Included with Agentic UI Kit (one-time license). Install needs your license key: see pricing · connect your project.

Agentic UI CLI
agentic-ui add motion-top-loading-bar
Installs through shadcn and adapts the component to your design tokens.
shadcn CLI
npx shadcn@4.17.0 add @agentic-ui/motion-top-loading-bar

Used in

A standalone component: drop it into any screen.

Type
Motion
Variants
Radix UI and Base UI
Themes
Light and dark
Widths
Preview it at desktop, tablet and mobile widths above.
Motion
Animated, with a reduced-motion fallback