Add On Icons are essential design elements for modern web and mobile applications. Free add on icons for web and app design. Our collection brings together hundreds of free add-on icons from multiple icon libraries, all available for instant download in scalable SVG format.

These add-on icons are carefully curated from the best icon designers and collections worldwide. Each icon maintains perfect quality at any size, from small UI elements to large displays. The SVG format ensures crisp rendering on all devices, including high-resolution Retina displays and 4K screens.

All add-on icons are free to download and use in your projects. The icons come from various collections with different licenses including MIT, CC BY 4.0, and Apache 2.0. You can easily customize these icons by changing colors, sizes, and other properties using CSS. Perfect for websites, mobile apps, presentations, and any digital project.

Browse through our extensive collection of add-on icons below. Use the search feature to find specific variations, or explore related icons from different collections. Download icons individually as SVG files, or copy them as React or TypeScript components for seamless integration into your development workflow.