Relevant icons have many uses in eLearning, slides, job aids, and training manuals. They use minimal visual information so they are easy to perceive and process quickly. This is a list of icon collections for instructional designers. See How to Use Icons in eLearning.
Icon Collections
| Streamline | Icons and illustrations. | Free and paid |
| Dingbat Fonts | Fonts that produce icons. Enlarge as needed. | Free |
| Envato Elements: Graphics | Very large selection of icons. See the icon filter on the left. | Subscription service for all multimedia assets with unlimited downloads |
| Freebiesbug Icons | Colorful icons in PSD format (use a PSD to JPG conversion tool if needed) | Free |
| Freepik | Good source for vector graphics, including icons. | Free, attribution to website required or paid with no attribution |
| Ikons | 300 free light gray icons | Free and paid |
| IconArchive | This site has a great assortment of varying quality icons to download. It's cluttered, but usable. | Free |
| IconFinder | Search engine that finds icons. Find out whether the icon is licensed or free to use by clicking on the Info tab. This also has a link to all icons in a set. | Both free and paid icons. |
| iconmnstr | Over 1500 simple black and white icons. | Free. |
| istockphoto | Excellent sets of royalty-free vector icons created by freelance designers. Use "icon" in your search term for best results. You are given the source file so you can modify the image. See their licensing agreements. | Pay by the icon set |
| Noun Project | Well-known for huge collection of icons for every topic. | Free with attribution. Low-cost with no attribution. |
| Open Source Icons | General icons with a marketing bent. | Free |
| Shock Family Icons | A deep collection of professional icons. | Pay by the icon set or download a limited free sample |
| Sketchy Icons | These icons are hand-drawn. | Free |
| SmashIcons | Flat and line icons | Free package and larger premium package |
| Vecteezy | Endless vector graphics, including icons. | Free and paid. |
| Webdesigner Depot | A set of 200 icons with a web design orientation. Scroll down and you'll see lists of additional icon sets from Web Designer Depot. | Free |