30 sets of free icons

These noteworthy sets of free icons will make a great addition to your arsenal and help to grab the user's attention.

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Icons are a critical element of UI design and as important a part of your web project as web fonts, but creating custom icons for each project is rarely practical as it's so time-consuming. On the other hand, finding those hidden treasures in a pool of tens of thousands of free icons also takes time.

That's why we've stepped in to help out – we've picked out a great selection of free icons, and hopefully you'll find at least a few sets that you can put to good use in your own projects, whether personal or commercial.

01. FlatIcon

FlatIcon has over 184,000 icons on offer

If you need lots and lots of flat icons, then this project by FreePik will sort you right out, featuring 2,979 icon packs for free, adding up to over 184,000 free icons for both personal and commercial use.

02. Free vector icons: Retro Volume 1

Get retro with this icon set, and don't forget to grab Volume 2

This set of 120 vector icons by Vietnamese designer Min Tran presses all the right retro buttons. If you want more you can find Volume 2 right here, and there are plenty more icons to be found on his Dribbble page. 

03. Free UXPin icon set

UXPin's free icon set is ideal for building UI prototypes

UXPin's a collaborative wireframing app that's perfect for building prototypes quickly and easily, and to help out with the process the UXPin team has made this beautiful and diverse suite of over 80 icons, designed for web and mobile UI design, available to use for free.

04. Icons8

Free icons icons8

Icons8 is a comprehensive collection of 19,700 free flat icons

Promising any icon in any format, size and colour in 20 seconds, Icons8 is a comprehensive collection of 19,700 free flat icons. With categories business, clothing, food and more, Icons8 lets users download icons as both a Mac App or ZIP file.

05. Freepik

Free icons freepik

Freepik's shaded vector icons are perfect for businesses and independent projects

This vibrant collection of shaded vector icons from graphic resource Freepik is just one of the many sets they've curated. Perfect for businesses and independent projects, these icons are free for both personal and commercial use. Each set can be downloaded in an .AI, .EPS and .SVG format.

06. Iconfinder

Free icons confinder

These black and white icons mix functionality with emotive ideas.

Rendered in simple black and white, this set of crisp vector icons mix functionality with emotive ideas. Besides standard icons for security and messaging, such as padlocks and envelopes, this collection from Iconfinder also features hearts and eyes to give your designs that personal touch.

07. 195 flat flag PSD icons

Free icons 195 flat flag PSD icons

These icons are perfect if you need an international flavour

This is a great icon set if you're looking to create an international site, such as an e-shop or a travel blog. The set includes 195 free icons with round corners, free to use in both personal and commercial projects.

08. Metro UI Icon Set

Free icons Metro

This pack includes over 700 well designed and clean icons

If you're a fan of Windows 8 and beyond, you definitely need to check this free icons set out. The pack includes over 700 well designed and clean icons that are free to use for any type of project, whether personal or client work.

09. Modern UI Icons

Free icons Modern UI

Over 1000 handcrafted flat icons for Windows, Android or iOS

Here's another fantastic free resource if you're looking for modern UI style icons for your Windows, Android or iOS app. Download the pack and you'll get over 1000 handcrafted flat icons including app bar icons for Windows phone.

10. 350 pixel perfect icons

Free icons Pixel perfect

These pixel perfect icons are perfect for apps and websites

An awesome set of 350 pixel perfect icons that are perfect for apps and websites. You can use then for both personal and commercial use and scale them to any size you need.

11. 80 mini icons

Free icons 80 mini icons

Need something tiny? These mini icons are small but perfectly formed

Featuring 80 pixel perfect mini icons available in both PSD and Icon Font format. These clean and elegant icons are perfect for any project.

12. Simple and practical web icon vector graphic

Free icons simple and practical web icon vector graphic

This is a great mix of eye-catching and useful icons

A variety of extremely useful icons that can be used for both personal and commercial projects.

13. Free flat icons

free icons free flat icons

How much more flat could these be? None. None more flat.

Fantastic set of flat designed icons that feature icons for calendars, emails, clocks, maps and more.

14. Mono icons

Free icons monoicons

This minimal set features 108 unique icon designs

A beautiful, minimal set which includes 108 unique icon designs that are available as a PNG at 32x32px that you can customise as you see fit.

15. Metrize icons

Free icons Metrize icons

Here's a free collection of 300 metro-style icons for apps or web projects

Here's fantastic resource for designers and developers - a free collection of 300 metro-style icons that you could use for your apps or web projects. They're all free to use in both personal and commercial projects and the download includes not only the PSD, SVG, ESP and AI but also the web font.

16. Tab Bar Icons iOS 7

Free icons tab bar icons iOS 7

These elegant icons are inspired by iOS 7

Elegant iOS 7 inspired tab bar icon set that you can use in your apps. You can download and customise them in PSD, AI and ESP formats.

17. Chunky Pika Icon Set

Free icons chunky pika icon set

Go Dutch with these chunky icons

Check out this Pika-style vector icons released by the Dutch designers at Dutch Icon. The set includes 42 chunky pixel-perfect icons that you can use for your next personal or client project.

18. 44 Shades of Free Icons

Free icons 44 shades of free icons

44 minimal icons, no messing

Need some simple icons for your next client project? Here's a set of 44 icons you can use. They're in a PSD format, enabling you to easily edit and adapt them.

19. Token icon set

Free icons token icon set

These icons come in all the sizes and in light and dark variants

Token includes 128 unique icon designs, available as an ICO bundling of 16x16px, 32x32px and 256x256px icons, or as a PNG at 128x128px. Each icon has both dark and light variants, and comes along with a PSD which includes the layer styles for each resolution.

20. Flat icons (PSD)

Free icons flat icons psd

Last lot of flat icons not flat enough for you? Try these instead.

Colourful flat icon set that you can download in a PSD format, allowing you to change colours and adapt each icon so it integrates perfectly into your new project. Check them out.

21. Free 32px icons set

Free icons free 32px iconts set

This set includes just about every icon you require on your new site

Here's a complete icon set that includes just about every icon you require on your new site. Starting from Skype, Facebook and Twitter icons to RSS, coffee, like/unlike and many more.

22. 48 flat designer icons

Free icons flat designer icons

Icons don't get any flatter than this

If you're a fan of minimalism then this icon set might be perfect for you. It consists of 48 free icons for office, social and travel, all supplied in AI and PNG formats, fully scalable and in full colour and monochrome coral.

23. Plex icons set

Free icons Plex

Over 100 icons, covering pretty much all your needs

This set includes over 100 icons for calendars, antivirus, clocks, email, Microsoft Office applications, social media networks and more. Check it out!

24. Vectory mini free

Free icons vectory mini free

This set of over 1000 icons is great for when you're designing a new site

Vectory is a huge collection of more than 1000 icons created by Icojam, all in PNG format. Great for when you're designing a new site as you can use them freely for both personal and commercial projects.

25. Eldorado mini free

Free icons Eldorado mini free

So is this little lot

Yet another large collection of mini icons from Icojam with over 1200 40×40 pixel icons that you can use on your site or on client sites. Free to use for both personal and commercial projects.

26. 2600 Flag Icon Set

Free icons 2600 Flag Icon Set

Never find yourself stuck for the right flag icon ever again

This epic set contains 2,600 flags in several sizes along with 2 variants – flat and glossy.

27. Social icons

Free icon social icons

These monochrome social icons are designed with simplicity in mind

Featuring 150 monochrome social icons designed with simplicity in mind, this set consists of a variety of fully scalable icons provided in AI, EPS, PNG and SVG formats. They are completely free to use in both personal and commercial projects.

28. Free Furry Cushions Social Icons Set

Free icons furry cushions

Pimp your furry site with these fluffy delights

Got a furry site? Then these furry social media icons will be perfect for your site. Download the six icons for free and use them in your projects without any restrictions.

29. Social media icons pack

Free icons social media

74 social media icons! Twitter, Facebook, all the other social medias!

Who doesn't need to use social media icons on their site or blog? Check this set out. It consists of 74 social media icons that would that would be perfect for almost any type of design, whether you'd like to use them offline or online.

30. Color stroked icon set

Free icons color stroked

Give your site a hand-drawn look with these little beauties

This social media icon set includes 22 freehand icons that you can use for both personal and commercial purposes. It comes with icons for Delicious, Flickr, Twitter, Digg, Delicious and more. Check it out!

Words: Rahul Mistry

Rahul Mistry is an avid design enthusiast and content writer for domain name registration specialists www.123-reg.co.uk. You can connect with Rahul on Google+.

ABOUT THE AUTHOR

Rahul Mistry is an avid design enthusiast and content writer for domain name registration specialists www.123-reg.co.uk.