Icons make websites and apps more intuitive. Paid icon sets can be expensive, but many high‑quality free libraries exist under open licenses.
Here are 10 free icon libraries for designers and developers.
1. Font Awesome (Free tier)
URL: https://www.baike300.com/article/81.html
Font Awesome is the most popular icon font. The free tier includes 2,000+ icons in regular, solid, and brands styles. Use via cdn or download. Works with CSS or JavaScript. Versatile for any web project.
2. Heroicons – Tailwind‑style Icons
Heroicons is free, MIT‑licensed icon set from the makers of Tailwind CSS. Over 300 icons in outline and solid styles. Copy SVG code directly. Clean, consistent, and modern design.
3. Feather Icons – Lightweight Open Source
Feather offers 280+ open‑source icons, each 24×24 pixels. Simple and consistent. Download as SVG, or use the JavaScript package (feather.replace).
4. Material Icons (Google) – Huge Library
URL: https://fonts.google.com/icons
Google's Material Icons library has over 2,500 icons covering almost every topic. Available in outlined, rounded, sharp, two‑tone, and filled styles. Use as icon font or download SVG.
5. Bootstrap Icons
URL: https://icons.getbootstrap.com
Bootstrap Icons are free, MIT‑licensed, designed for Bootstrap but work standalone. Over 1,800 icons. Download as SVG, sprite, or use icon font. Optimized for web.
6. Iconify – Universal Icon Framework
Iconify isn't a library but a unified framework. It gives access to over 100 icon sets (Font Awesome, Material, etc.) via one API. Use via JavaScript or as a Vue/React component.
7. Tabler Icons – MIT‑licensed, 1,250+ Icons
Tabler Icons offers 1,250+ icons under MIT license. Consistent 24×24 pixel grid. Available as SVG, PNG, PDF, and icon font. Active community adding new icons regularly.
8. Remix Icon – 2,500+ Design‑System Icons
Remix Icon is a neutral‑style system icon library with over 2,500 icons. Free for commercial use. Supports SVG sprite, icon font, and individual SVG downloads.
9. Ionicons – Premium Quality, Free
URL: https://ionic.io/ionicons
Ionicons is open‑source (MIT), built for iOS and Android apps. 1,300+ icons available in outline, sharp, filled styles. Use via CDN or download as SVG.
10. The Noun Project (Free with attribution)
URL: https://thenounproject.com
The Noun Project has millions of icons from various designers. Free tier: download icons with attribution (credit link). Paid removes attribution. Good for finding unique, niche icons.
More resources: Check our technical tutorials or VPS reviews.