40 High Quality Flat UI Icon Sets

Big brands are going flat, web designers are moving towards a flat design, and some people still believe it's just a trend and will soon be displaced.
Whatever your take is on flat design, it's still the hottest style right now. As a result, in our last resource, we shared a large collection of web ui kits that even your grandma will love.

Whether you prefer a completely flat ui, or elements with a bit of skeumorphism mixed in, this hand picked list of free flat icon sets is likely to strike your fancy.


1.  PSD - Flat Icons

2.  Free Colorful Icons

3.  Flat Icons Freebie

4.  Free Flat Icon Set

5.  Big Flat Icons (.sketch)

6.  Flat Icons Brownie Theme

7.  20 Flat Icons (PSD)

8.  Flat Design Icons Set Vol3

9.  Random Free Icons

10.  Memory game

11.  12 Flat Icons

12.  Free flat icons

13.  Flat icons

14.  Vector Freebie

15.  12 Flat SEO icons

16.  Flat Design Icons Set Vol1

17.  Free Flat Icons

18.  Flats

19.  Flat Icons - Part 2 (.psd/.sketch)

20.  Free Flat Icons

21.  Flat Icons Freebie

22.  Category Icons

23.  Flat Design Icons Set Vol4

24.  Free Flat Icons

25.  Flatilicious - 48 Free Flat Icons

26.  21 iOS7 Icon Concepts Vol.1 (PSD and PNG)

27.  Icons (Animated)

28.  Free program icons

29.  Light Android Icons Set

30.  Free Web Icon

31.  My Desktop Icons

32.  40 Social Media Flat Icons

33.  48 flat designer icons

34.  Squareplex

35.  MMII FLAT icons Vol.2

36.  Modern long shadow icons

37.  50 Flat Icons Pack

38.  Metro UI Icon Set - 725 Icons

39.  FLATTIES

40.  Flat iOS Icons

Are you currently using any of these icons? Have we missed your go-to flat UI icons? Let us know in the comments.

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