Pure CSS Loaders
FreeLightweight CSS-only loading animations
FreeFree tier
About Pure CSS Loaders
Pure CSS Loaders is a collection of lightweight, CSS-only loading animations for web projects. Hosted on loading.io, it offers a variety of visually appealing spinner styles such as rotating plane, double bounce, wave, wandering cubes, pulse, chasing dots, three dots, circle, cube grid, fading circle, and folding cube. Each loader is implemented entirely with CSS, requiring no JavaScript, making them ideal for performance-sensitive applications. The source code is open source and free to use.
Key Features
Multiple loader styles: rotating plane, double bounce, wave, wandering cubes, pulse, chasing dots, three dots, circle, cube grid, fading circle, folding cube
Pure CSS implementation, no JavaScript or images required
Open source and free to use for any project
Customizable through CSS variables and classes
Responsive and performant animations
Pros & Cons
Pros
- Zero JavaScript dependency reduces page weight
- Open source with permissive license
- Wide variety of ready-to-use loader designs
- Easy to integrate – just include CSS and markup
- Works across modern browsers without fallbacks
Cons
- Limited customization beyond built-in styles and CSS variables
- May not support complex loading scenarios like progress indication
- Some loaders may require browser prefixes for full compatibility
Best For
Indicating loading states in web applicationsEnhancing user experience during data fetching or page transitionsReplacing image-based or JavaScript-dependent loaders with pure CSS alternatives
FAQ
Are the loaders free to use?
Yes, the pure CSS loaders on loading.io are free and open source.
Do I need JavaScript to use these loaders?
No, the loaders are implemented entirely with CSS – no JavaScript is required.
How do I customize the loader appearance?
You can customize colors, sizes, and speeds using CSS variables and overriding default styles.