To convert PNG to vector image, PNG to Vector Converter is a good choice. PNG is a kind of image file stored in the Portable Network Graphic format. It likes a GIF file which contains a bitmap of indexed colors under a lossless compression.
The application is free for trial. You can download and evaluate it via clicking here. You can get the full function of the application via buying a single-user personal license for it. There are also four other licenses for the application, if you need, please click this link to buy.
Please see the user interface of PNG to Vector Converter in Figure1 in which there is a file list used to list the PNG images to be converted on the left. Buttons “Open”, “Remove” and “Remove All” are for adding and removing files to or from the list. Before you run the conversion from PNG to vector, please input or choose the output directory for the target file in “Output Folder” text box. In the “Preview” frame on the right, you can see the preview of the PNG file in the list.
Please click on "Option" button and you will see the "Option" dialog box comes out. Please see Figure2.
When you click the "Size" option, you are able to set the image size or the page margin for the output file, please see the option page on the right. At first, you should choose one kind of vector image format in "Output Format" combo box such as "ps". If you want to set the size of the output imae yourself, please don't check the "Use the default width and height" option. You just need to input the values in the two spin boxes and choose the unit as "in", "pt" or "cm". If you want to cutomize the page margin yourself, please check the "Use the margin detail" check box and input the four margins in four spin boxes. You can also choose the unit for them respectively. Then please click the "OK" button to continue the work and you should click the "Convert" button on the interface of the application main window. The conversion from PNG to vector will run itself. If you want to know some related information about PNG to Vector Converter, please click the "Web" button of the interface.