20 Free Icon Sets For UI Design (2025 Edition)

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Every pixel matters in the field of digital design, and icons are no different. These tiny but powerful images act as a link between users and interfaces, facilitating instantaneous communication of intent, actions, and statuses.

The user experience can be significantly enhanced by selecting the appropriate iconography when creating a website, mobile application, or SaaS dashboard.

Design Journal have compiled a list of the top free icon sets for UI design in 2025 in this guide.

What are icon sets?

Icon sets (also known as icon packs) are groups of graphical symbols designed in a unified visual language.

These sets includes hundreds or even thousands of icons, covering everything from common UI libraries (like “edit,” “delete,” or “download”) to categories like weather, food, and devices.

Using icon packs allows UI UX designers to maintain consistency across a product. The unified style not only creates visual harmony but also simplifies the design workflow.

Many modern free icon sets include scalable vector formats (like SVG or Figma components), allows you to use them to various screen sizes without compromising quality.

Whether you’re building a prototype or a full-scale product, having access to the best free icon sets is a must-have for every designer’s toolkit.

Role of icons in UI design

Icons do more than just add visual flair—they play a crucial functional role in enhancing user interfaces. Here’s how:

• Improve Navigation: Icons act as visual cues that guide users through an interface. Familiar icons like a house for “home” or a magnifying glass for “search” make exploration intuitive.
• Reduce Cognitive Load: With well-chosen icons, users don’t need to read excessive text to understand an action. This streamlines interactions and supports accessibility.
• Enhance Visual Consistency: A cohesive set of icons ensures that the UI feels polished and well thought out, regardless of the platform or screen size.

In short, choosing the right free icon sets can significantly improve usability, boost aesthetics, and support better interaction patterns in your digital products.

List of free icon sets

Explore a diverse collection of free icon sets to enhance your projects and designs. These icon sets are perfect for adding visual flair while keeping your work budget-friendly.

1. Feather Icons

Feather Icons feature over 280 open-source icons with a 24px grid system. Known for their minimalist and sharp strokes, they offer designers a seamless way to integrate clean iconography without overwhelming interfaces.

Each icon is highly legible at small sizes and fits perfectly into modern UI frameworks.

One of the most appealing traits of Feather Icons is their versatility across light and dark mode UIs.

The outline stroke format ensures the icons are scalable and easy to customize, whether you’re modifying size, stroke weight, or color.

Feather also integrates well with popular design tools like Figma and Sketch, making them incredibly workflow-friendly.

Despite their simplicity, Feather Icons pack a punch in terms of usability and professionalism.

As a standout among the best free icon sets, they offer the kind of design consistency and quality usually reserved for paid assets.

This makes them a go-to option for designers seeking a premium icon pack free download alternative.

Download Feather Icons

2. Majesticons

Majesticons are a sleek and highly adaptable icon pack that’s built with flexibility in mind. What sets this icon set apart is its availability in three different styles: line, solid, and duotone.

This allows designers to create dynamic visual hierarchies, making the UI feel both interactive and organized.

The clean geometric style of Majesticons gives them a distinctly modern aesthetic, perfect for data-driven applications, mobile-first UIs, and enterprise-level platforms.

They shine in situations where visual coherence and clarity are non-negotiable. Whether you want a strong visual presence with solid icons or a more subtle line version, Majesticons has you covered.

As part of the best free icon sets list, Majesticons impress with their stylistic range and usability.

Designers looking for a premium icon pack free download often find Majesticons to be a compelling replacement—offering pro-level design without any licensing costs.

Download Majesticons

3. United UI Icons

United UI Icons offer a unified and contemporary take on iconography designed specifically for modern interfaces.

With sharp lines, geometric consistency, and carefully constructed pixel-perfect strokes, this pack stands out among other free icon sets for its attention to detail and scalability.

One of the defining features of the United UI Icons set is its wide thematic range, which includes icons for navigation, media, ecommerce, system alerts, and much more.

Whether you’re designing a fintech dashboard or a mobile shopping app, this pack includes a large enough variety to meet all UI design needs.

The set is also continuously updated, keeping it relevant with modern design trends.

Ideal for UI/UX professionals who seek both breadth and consistency, United UI Icons deliver visual harmony across digital products.

Their professional-grade finish makes them feel like a premium icon pack free download, and yet they remain fully accessible for commercial projects—making them one of the best free icon sets to add to your toolkit.

Download United UI Icons

4. Unicons by Iconscout

Unicons by Iconscout is a comprehensive icon library boasting over 4,500 icons, making it one of the largest free icon sets available to UI/UX designers today.

Crafted with versatility and clarity in mind, Unicons is perfect for applications ranging from mobile interfaces to complex dashboards.

What sets Unicons apart is its wide selection of styles: line, solid, thin line, and monochrome.

This variety enables designers to mix and match icon weights based on the visual hierarchy of their application—while still maintaining a uniform look and feel.

Plus, the entire library is available in multiple formats including SVG, PNG, and React components, simplifying development workflows for frontend teams.

Given its scale, quality, and support from a well-known design platform like Iconscout, Unicons feels like a premium icon pack free download disguised as a free offering.

It’s a powerhouse resource for professionals who demand both flexibility and design excellence in their best free icon sets.

Download Unicons

5. Iconoir

Iconoir is a beautifully crafted open-source icon library consisting of more than 1,300 icons in a consistent stroke-based style.

Designed specifically for designers and developers who appreciate minimalism, Iconoir works flawlessly across all UI styles, whether you’re designing a mobile app, a website, or an enterprise dashboard.

Every icon is created using a 24px grid system, making scaling and positioning extremely precise.

What sets Iconoir apart is its deep integration with modern development environments. Icons are readily available as SVGs, web fonts, React components, Figma libraries, and even for use in tools like Framer and Vue.

This versatility allows seamless workflow adoption and reduces design friction. If you prioritize developer-friendly assets without compromising on visual quality, Iconoir is one of the best free icon sets for you.

Even though it’s completely free, the polish, variety, and utility that Iconoir offers make it feel like a premium icon pack free download.

It’s the perfect blend of functionality and aesthetic finesse—ideal for teams and individuals looking to build highly usable digital products.

Download Iconoir

6. Heroicons 1.0

Heroicons 1.0 is a beloved icon set developed by the makers of Tailwind CSS. This set includes over 230 beautiful and functional icons in both outline and solid styles.

Built on a 24×24 grid and optimized for accessibility and clarity, Heroicons is a go-to resource for designers building modern web applications.

Each icon features smooth curves, balanced proportions, and thoughtful negative space, making it ideal for UI components and navigation systems.

The beauty of Heroicons lies in its simplicity. Unlike some overly stylized icon packs, Heroicons offers universally understandable visuals that enhance user experience without drawing unnecessary attention.

It’s especially well-suited for dashboard designs, ecommerce apps, and minimalist interfaces where subtlety is key.

Plus, it’s open-source, with Figma and React versions available, which boosts its appeal to both designers and developers.

Heroicons feels like a premium icon pack free download because of its refined quality and seamless integration into design systems.

As one of the best free icon sets, it’s trusted by startups and enterprises alike for delivering professional-grade results.

Download Heroicons

7. Iconizer

Iconizer is a dynamic platform that allows you to generate icons on the fly in multiple styles and formats.

Unlike static icon libraries, Iconizer lets you customize stroke width, size, and color before downloading, making it one of the most flexible and designer-friendly free icon sets available online.

With a growing library of over 1,000 icons, it covers everything from web UI essentials to marketing, tech, and social categories.

What makes Iconizer unique is its interactive experience. Designers don’t just download what’s available—they configure each icon to suit their needs.

This level of customization gives you more control over consistency in your design system, especially if you’re working across different themes (dark/light modes) or branding colors.

It’s like building your own premium icon pack free download with tools baked right into the site.

If you’re someone who loves visual precision and customization without diving into Illustrator or Figma every time, Iconizer offers a practical, time-saving solution.

It’s a valuable asset in any UI designer’s toolbox and a top contender among the best free icon sets in 2025.

Download Iconizer Icons

8. css.gg Icons

css.gg Icons is a unique and expansive icon library created by Astrit Malsija, offering over 700 high-quality SVG and CSS-based icons for modern UI design.

What sets css.gg apart from other free icon sets is its availability as pure CSS components in addition to standard SVGs.

This allows developers to integrate icons without relying on additional scripts or icon fonts, making it an incredibly lightweight option for performance-focused web apps.

Each icon in the css.gg collection is built on a consistent 24×24 grid with stroke-based visuals that look clean and elegant on both light and dark backgrounds.

The library includes UI-centric icons like toggles, toolbars, media controls, and more—making it ideal for mobile apps, SaaS dashboards, and system interfaces.

The open-source nature of css.gg also allows for customization, remixing, and extending based on your design needs.

For designers looking to access a vast library that feels like a premium icon pack free download, css.gg is a hidden gem.

Its balance of modern style, developer-friendliness, and performance efficiency puts it among the best free icon sets available today.

Download css.gg Icons

9. Phosphor Icons

Phosphor Icons is a versatile and highly customizable icon library designed with both creativity and flexibility in mind.

It features a wide range of weights—thin, light, regular, bold, fill, and duotone—giving designers more control over the visual hierarchy and mood of their UI.

With over 7,000 icons covering categories from productivity to communication, Phosphor is a dream come true for product designers seeking stylistic depth.

The icons are carefully crafted on a 24×24 grid with fluid shapes and bold curves that work perfectly across interfaces of all sizes. Whether you’re designing a mobile app dashboard or a browser-based SaaS product, Phosphor’s rich visual language adapts easily to modern UI patterns.

Phosphor Icons gives the impression of a premium icon pack free download, thanks to its sheer variety and design polish.

With its support for dark/light mode and adjustable stroke weights, it stands out as one of the best free icon sets of the year.

Download Phosphor Icons

10. Radix Icons

Radix Icons is an icon set crafted by the team behind Radix UI, built specifically for modern web applications and component libraries.

This set includes a wide variety of 15px icons that strike a balance between simplicity and clarity.

Each icon is built with pixel-perfect precision, which makes it incredibly useful for UI interfaces that demand high performance and accessibility.

What separates Radix from many other free icon sets is its developer-first approach. These icons are built to work seamlessly with design systems, Figma libraries, and React components.

Their mono-stroke design keeps visuals clean, subtle, and legible across different screen sizes and resolutions.

Whether you’re designing a modal, tooltip, menu, or input field, Radix Icons offer the visual support that UI components need without overpowering the layout.

Download Radix Icons

11. Lucide Icons

Lucide Icons is a community-driven fork of the popular Feather Icons, but with a wider scope and consistent contributions that have pushed it beyond its origin.

This open-source project offers hundreds of beautifully simple, stroke-based icons suitable for modern UI interfaces.

Each icon is designed on a 24×24 grid and follows strict visual standards—clean lines, minimalistic design, and universal readability—making it an excellent choice for product interfaces, admin dashboards, and even mobile apps.

Lucide’s real strength lies in its community momentum. New icons are regularly added based on user requests, and the team is actively improving accessibility, performance, and tooling around the set.

This icon set looks and feels like a premium icon pack free download, without the usual licensing headaches. If you’re looking for one of the best free icon sets that blends quality with open-source agility, Lucide Icons is a top contender.

Download Lucide Icons

12. Streamline Core Line Icons

Streamline Core Line Icons offers a polished and professional set of vector-based icons designed for high-end product design.

While Streamline is known for its premium products, the Core Line version is a free subset that includes hundreds of meticulously crafted icons.

These icons are built on a consistent grid with an elegant line weight that offers both clarity and character, ideal for applications requiring a premium visual aesthetic.

One of the standout features of the Core Line set is its range of supported categories. You also get access to SVG and Figma files, making it easy to integrate into your existing design workflow without added complexity.

Though technically a free offering, Streamline’s Core Line set delivers the feel of a premium icon pack free download. Its elegant stroke style and wide usage across industries make it one of the best free icon sets for teams that prioritize design excellence.

Download Streamline Core Icons

13. Tabler Icons

Tabler Icons are a collection of over 4,000 open-source icons created with precision and flexibility in mind. The icons feature a lightweight, stroke-based aesthetic that ensures clarity even at smaller sizes.

Ideal for dashboards, mobile apps, and modern web UIs, Tabler Icons are built to enhance readability without distracting from the user interface. The entire set is drawn on a 24px grid, offering perfect alignment and spacing.

The icons are available in SVG, React, Vue, and Figma formats, which makes integration with development tools and design platforms seamless.

Given its comprehensive catalog and design integrity, Tabler Icons often gets mistaken for a premium icon pack free download.

But it’s completely open source and MIT licensed, making it one of the best free icon sets available to designers and developers who value scalability and flexibility.

Download Tabler Icons

14. Ionicons

Developed by the Ionic Framework team, Ionicons is a beautifully consistent set of icons tailored for mobile and web app interfaces.

These icons are highly legible and optimized for both iOS and Android platforms, which makes them especially valuable for cross-platform design.

With over 1,300 icons in outline, sharp, and filled variants, Ionicons offers flexibility and style that can match virtually any interface theme.

Ionicons are built with performance in mind. The SVG-based structure ensures crisp rendering on high-resolution screens, while the icon font version allows for fast loading and simple usage in web projects.

The icons include everything from UI basics to platform-specific visuals like logos, gestures, and navigation cues.

This set is one of the most comprehensive free icon sets specifically tailored to hybrid mobile development. With a quality that rivals many paid libraries, Ionicons feels like a premium icon pack free download, especially for teams working in Ionic, React Native, or similar environments.

Download Ionicons

15. Remix Icon

Remix Icon is a sleek, high-contrast icon library designed with system-level clarity in mind.

It includes over 2,200 icons in both line and filled styles, supporting a wide range of applications including UI interfaces, web platforms, and enterprise dashboards.

The icons are designed to be unmistakable even at small sizes, making them perfect for navigation menus, toolbars, and mobile UIs.

The library offers SVG and web font versions, and it integrates smoothly with Figma and development environments like Vue and React.

It delivers the quality of a premium icon pack free download, completely free of charge.

Download Remix Icon

16. Flowbite Icons

Flowbite Icons is a minimalist yet versatile icon set built to pair perfectly with the Tailwind CSS ecosystem.

Created by the Flowbite UI team, this collection includes over 430 stroke-based icons designed on a 24×24 grid.

These icons follow a clean, modern style that fits seamlessly into dashboards, mobile apps, and SaaS interfaces.

One of the biggest advantages of Flowbite Icons is its native integration with Figma and its close alignment with Tailwind CSS components.

This makes it incredibly useful for rapid prototyping and design system development. The icons are also available in SVG and React formats, giving designers and developers plenty of flexibility when implementing them across platforms.

As a tightly curated and well-crafted set, Flowbite Icons provides the polish of a premium icon pack free download, with none of the licensing fees.

Download Flowbite Icons

17. Eva Icons

Eva Icons is an extensive open-source icon set developed by Akveo, the creators of the Nebular design system.

This set includes over 480 icons, all designed in a consistent 24×24 grid and available in both outline and filled versions.

The icons cover a broad range of categories including actions, files, social, communication, and multimedia, making it suitable for nearly any application—from mobile UIs to enterprise software.

The icons are built to be visually harmonious, striking a balance between simplicity and expressive form that fits beautifully into modern interface design.

Given its visual clarity, dual styles, and developer-friendly tools, Eva Icons easily stands alongside many paid libraries.

If you’re looking for a premium icon pack free download that performs well across both design and development workflows, Eva Icons is one of the best free icon sets to consider in 2025.

Download Eva Icons

18. Atlas Icons

Atlas Icons is a meticulously crafted icon set developed with a deep focus on clarity, accessibility, and visual harmony.

Built by the Atlas Design System team, this set includes more than 2,000 icons spanning general UI actions, categories, system feedback, and more.

Designed using a consistent stroke width and pixel grid, Atlas Icons offer both filled and outlined styles—ideal for creating complex but cohesive design systems.

The set supports multiple formats including SVG, Figma, and React components, making it easy to use in different stages of design and development.

The icons also support RTL (right-to-left) designs and include accessibility tags, which makes them suitable for international and inclusive product development.

As one of the best free icon sets, it’s an excellent resource for teams that value scalability and accessibility in their UI design.

Download Atlas Icons

19. Tetrisly Icons

Tetrisly Icons is a clean and grid-perfect set of icons created to support design system development at scale.

Designed with a modular approach, each icon in this set aligns seamlessly with Figma auto-layouts and spacing principles, making it a dream for designers working in systems-oriented teams.

It includes 800+ icons and comes in three visual styles: line, filled, and duotone.

Icons share unified spacing, proportions, and stroke weights across categories, which results in effortless implementation in design tokens or component libraries.

They’re perfect for high-fidelity mockups, accessible UI patterns, and product branding efforts. The set is especially popular among designers working on large SaaS platforms, HR tools, or enterprise dashboards.

They are without a doubt a premium icon pack free download experience, and a standout among the best free icon sets for system-level design.

Download Tetrisly Icons

20. Doodle Icons

Doodle Icons bring something delightfully different to the UI design table. This hand-drawn icon set adds a touch of whimsy and personality to digital interfaces.

Each icon looks like it was sketched with a marker, offering an organic and casual feel that’s perfect for creative platforms, portfolios, educational tools, or kids’ apps.

The set includes hundreds of icons across categories like communication, UX actions, education, and creativity.

These icons are not meant for every interface—but that’s precisely the point. When used appropriately, Doodle Icons break the monotony of conventional design and inject an unmistakable human touch.

Available in SVG, PNG, and Figma formats, they’re easy to adapt and recolor. The icons are great for landing pages, onboarding flows, or feature illustrations where playful energy is key.

They feel like a premium icon pack free download designed for creativity-first experiences, earning a place among the best free icon sets of the year for offbeat, artistic projects.

Download Doodle Icons

Conclusion

In 2025, the landscape of iconography in UI design continues to evolve, but one thing remains constant: the need for clarity, consistency, and creativity.

The free icon sets listed above offer an impressive variety of styles—from minimalist and modern to playful and illustrative—ensuring there’s something for every project, brand, and design language.

What’s even better is that many of these feel like a premium icon pack free download, combining high-quality visuals with flexible licensing and developer-friendly formats.

Whether you’re working on a sleek fintech dashboard, a mobile learning app, or a quirky eCommerce store, integrating one of the best free icon sets can dramatically elevate your UI without blowing your budget.

Frequently asked questions

Are free icon sets good enough for professional use?

Absolutely. Many of the best free icon sets available today offer the same level of detail, scalability, and consistency as premium packs.

Libraries like Lucide, Iconoir, and Streamline Core Line Icons are used by startups and large tech companies alike. The key is to choose sets that align with your brand’s aesthetic and project needs.

What’s the difference between filled and outlined icons?

Filled icons (solid) are usually more attention-grabbing and work well for actions or CTAs, while outlined (stroke) icons are cleaner and more lightweight—ideal for minimal UIs.

Many free icon sets like Heroicons and Unicons offer both styles, giving you flexibility in how you use them.

Can I edit or customize these free icon sets?

Yes! Most icons are provided in SVG format or as editable Figma components. This means you can adjust stroke width, color, or even combine them to match your design system.

That’s what makes some of these sets feel like a premium icon pack free download—you get full creative control without paying a cent.

How do icon sets improve user experience (UX)?

Icons help users navigate and understand interfaces quickly. Well-designed icon packs reduce cognitive load, improve accessibility, and support visual consistency across platforms.

Choosing the right free icon sets can make your product feel intuitive, modern, and professionally built—even on a tight budget.