There are a number of websites out there offering free flag icons, but after about an hour of searching, we would like to share our top 2 favourites.
Flag icons are a great way to reach out to a broader audience. If you place some small flag icons on your website, and link them to the respective Google translation, you can present your website in many different languages including Vietnamese translator to individuals, businesses, community organisations and government departments in the Vietnamese language.
Icon Drawer’s Flag Icons
243 free flag icons representing countries and unions all over the world presented in PNG format. The flags look quite modern.
The supplied sizes : 16×16, 24×24, 32×32, 48×48.
Click here to get your copy of the flag icons
(link to designer’s website required)
FamFamFam Flag Icons
“Flags” are 247 icons — in GIF and PNG formats
If you only need your flags to be pixel icons, you’ll find these to serve your purpose.
http://www.famfamfam.com/lab/icons/flags/
(no credit or linkback required)