Streamline has a huge collection of premium icons from which you can choose. There are over 182,000 high-quality icons organized into 36 different sets. The icons cover popular styles like line art, solid colors, duo-tones, and more. Some of the largest sets are Ultimate, Core, Flex, Sharp, and Plump—each containing thousands of icons for your projects.

In addition to the premium icons, Streamline offers 22 free icon sets with over 17,000 icons for you to download and use at no cost. The free sets include styles like iOS14, Freehand, and Nova. You can browse all the icons by tag or set to find the perfect ones for your needs.