Flag icons are one of the most sought after resources for when you are working on products or services that are generally on a global scope. Usage of flag images attracts customers into using a product as they recognize their own locale and will trust that the product or service supports them. I’ve gathered here five of the highest quality flag icon sets that you can download for free from various sources. Just click on the images to go to the download page.
2500 Flag Icon Set by GoSquared
This is by far the best icon set of flags I have ever come across the internet. Each flag is available in five sizes (16×16, 24×24, 32×32, 48×48, and 64×64) and in two variants (flat color and glossy finish). Best of all, they let you use it for both personal and commercial purposes! How awesome is that?
Flag Icons by FAMFAMFAM
FAMFAMFAM by Mark James is, if I may, a web developer’s best friend with its vast icon sets which you can see being used in many of the websites you see today. Among its high quality icon sets are 247 flags available for personal and commercial use. Each are about 16×11 inches (in GIF and PNG) and as a bonus, the flag icon filenames follow the ISO 3166-1 alpha-2 country codes.
Flag Pack by eggzy
Here are 239 GIF icons of flags created by DeviantArt user eggzy. These aren’t your usual flag icons as they are all quadrilateral (square in shape) which are very interesting actually. According to the artist, they are all “free to use” and you can download it from his deviation page below.
All-in-One Country Flag Icon Set by customicondesign.com
This is a high quality icon set that are free to download for personal use. You have to pay for a commercial license, which includes the icon set’s PSD file, if you want to use it for your business. Each flag icon is rendered in six sizes (256×256, 128×128, 64×64, 48×48, 32×32, 16×16 pixels), in three formats (png, ico and icns), and three styles (normal, shadow and reflection).
Flag Icons by IconDrawer
Known for creating high quality web icons, IconDrawer offers this excellent flag icons set for free in exchange of a little attribution, that is, a link back to www.icondrawer.com. You can buy a royalty-free license for the whole set if you choose not to link back. It is composed of 283 flags of nations and unions around the world and are available in various sizes: 16×16, 24×24, 32×32, 48×48, 64×64, 128×128 pixels in PNG format.