An expanded, updated list that builds on previous content around Icon Finder. Provides a comprehensive comparison of the best free icon sets for websites, apps, and UI/UX interfaces in 2025.

Icons are integral to modern web design. Whether you're building dashboards, landing pages, or mobile-responsive interfaces, vector-based icons help convey meaning visually while saving space.

Here, we compare ten of the best free icon libraries, all of which are:

• Free for commercial use

• Easy to download or install via CDN/NPM

• Provided in SVG, Webfont, or PNG formats

• Actively maintained or broadly adopted

1. Font Awesome

🔗 https://fontawesome.com

📌 Overview

Font Awesome is one of the most well-known icon libraries, offering 2,000+ free icons (and 10,000+ in Pro).

✅ Pros

• Easily loaded via CDN, NPM, or locally

• Includes regular, solid, and brand icons

• Accessible and stylable with CSS

❌ Cons

• Requires attribution unless using the CDN with an account

• Free tier has limited variants

🗂 Formats: SVG, Webfonts

📥 Download Free Icons

2. Feather Icons

🔗 https://feathericons.com

📌 Overview

Feather is a collection of open-source icons designed for simplicity and clarity. All icons are 1px-stroke SVGs.

✅ Pros

• Minimal, scalable, and sharp

• Lightweight and performance-friendly

• Great for modern UI/UX and mobile

❌ Cons

• Limited to outline style only

🗂 Formats: SVG

📥 Download on GitHub

3. Heroicons

🔗 https://heroicons.com

📌 Overview

From the creators of Tailwind CSS, Heroicons offers beautifully crafted SVG icons in outline and solid variants.

✅ Pros

• Designed to complement Tailwind CSS

• Clean and modern style

• Easy to modify in SVG editors

❌ Cons

• Smaller set than some others (~292 icons)

• Geared mainly toward UI components

🗂 Formats: SVG

📥 Download Heroicons

4. Tabler Icons

🔗 https://tabler-icons.io

📌 Overview

Tabler Icons is an open-source icon library of 4,000+ SVG icons designed with attention to grid alignment and detail.

✅ Pros

• Huge collection

• Customisable stroke width

• Great for both UI and documentation

❌ Cons

• Slightly heavier stroke style by default

🗂 Formats: SVG

📥 Download Tabler Icons

5. Remix Icon

🔗 https://remixicon.com

📌 Overview

Remix Icon is a versatile set of over 2,200 icons designed for React, Vue, and mobile-first projects.

✅ Pros

• 100% open-source

• Clear solid/outline pairings

• Friendly for web apps and dashboards

❌ Cons

• Designed more for software UIs than websites

🗂 Formats: SVG, Webfont

📥 Download Remix Icon

6. Boxicons

🔗 https://boxicons.com

📌 Overview

Boxicons offers a growing library of UI and social media icons with outline, solid, and logo variants.

✅ Pros

• Very developer-friendly

• Lightweight Webfont option

• Open-source and community-driven

❌ Cons

• Smaller ecosystem/community than FA or Material Icons

🗂 Formats: SVG, Webfont

📥 Download Boxicons

7. Bootstrap Icons

🔗 https://icons.getbootstrap.com

📌 Overview

Official icon set for the Bootstrap framework. Includes ~2,000+ icons.

✅ Pros

• Integrates seamlessly with Bootstrap 4/5

• Familiar icon style for Bootstrap developers

• Actively maintained

❌ Cons

• Style may feel rigid or overly “Bootstrap-y”

🗂 Formats: SVG, Webfont

📥 Download Bootstrap Icons

8. Material Symbols (Google)

🔗 https://fonts.google.com/icons

📌 Overview

Google’s open-source successor to Material Icons, with support for variable stroke width, grade, and fill.

✅ Pros

• Massive selection (~3,000+ icons)

• Supports three styles: outlined, rounded, sharp

• Built for accessibility

❌ Cons

• Can be too Google-centric stylistically

🗂 Formats: SVG, Webfont (variable fonts supported)

📥 Download Material Symbols

9. Lucide Icons

🔗 https://lucide.dev

📌 Overview

Lucide is an actively maintained fork of Feather Icons with extra features, updates, and broader support.

✅ Pros

• Feather-style clarity with more icons

• Strong documentation and framework bindings (React, Vue, etc.)

• Constant updates

❌ Cons

• Same minimalist limitation as Feather (no filled styles)

🗂 Formats: SVG, NPM packages

📥 Download Lucide

10. Iconoir

🔗 https://iconoir.com

📌 Overview

Iconoir is a wide-ranging, minimalist-style icon set that includes interface, UX, and multimedia icons.

✅ Pros

• Consistent aesthetic

• Includes web dev, finance, and UX-specific icons

• Supports React, React Native, Figma, and more

❌ Cons

• Slightly thinner lines can appear too faint on dark backgrounds

🗂 Formats: SVG, Webfont, React

📥 Download Iconoir

📊 Comparison Table: Free Icon Libraries for Developers

✅ Final Recommendations

• For Web UI/Dashboards: Remix Icon, Heroicons, Feather

• For Broadest Variety: Font Awesome, Material Symbols

• For Custom Frameworks: Lucide, Tabler, Iconoir

• For Bootstrap Projects: Bootstrap Icons

• For Designers in Figma: Iconoir, Material Symbols

📁 Want More?

• IconFinder Free Section

• Noun Project (Limited Free)

• SVGRepo – Free SVG Icon Repository