You can use the options to control image resolution, quality and file size. As it is not a vector format, its not suitable for enlarging after download or for print usage. Keeping well during the covid19 coronavirus pandemic. Its a mixture of essential icons and symbols for everyday design work. Free vector icons in svg, psd, png, eps and icon font. Youll need to include social media icons in your marketing materials to let people know where to follow you. Glyphicons basic set is the oldest original set of icons that is a part of the project since its beginnings. Choose between 660 booklet icons in both vector svg and png format. Free icons of advice in various design styles for web, mobile, and graphic design projects. Choose between 36067 book icons in both vector svg and png format. Related icons include book icons, brochure icons, manual icons, leaflet icons. Download this free icon in svg, psd, png, eps format or as webfonts. Technical details an ico file is made up of an icondir icon directory structure, containing an icondirentry structure for each image in the file, followed by a contiguous block of all image bitmap data which may be in either windows bmp format, excluding the bitmapfileheader structure, or in png format.