Indie game storeFree gamesFun gamesHorror games
Game developmentAssetsComics
SalesBundles
Jobs

Hi, I wanted to know how to resize your small sprites because as I increase the size it loses a lot of quality. I'm using Unity. 

Try to adjust your compression in Unity. Click on your sprite file to open it in Inspector window. Change the compression format  from compressed to no compression and filter from bilinear to none. That always works for me.