VisioToPng converter The API for converting Visio documents to PNG images. All supported files are listed below. vsd ⇨ png vst ⇨ png vsdx ⇨ png vstx ⇨ png vdx ⇨ png Libraries Supported Files Converter Content Types Virtual File Server Async Conversions Chaining Other Features Authentication File Upload User Information PDF button Servers Location