You can convert a PNG to a Vector file in Illustrator which makes it great for converting logos and shapes, so they are scalable without losing quality. In addition, all trademarks and usage rights belong to the related institution.
Margaret PriceFlaticon, the largest database of free vector icons. Thousands of new Logo PNG image resources are added every day. With Logaster Online Branding Tool You Can Quickly and Efficiently Create a Logo for Your Company.