DevConverter is an online document and presentation converter. Amongst many others, we support PDF, PPTX, PPT, ODP. Thanks to our advanced conversion technology the quality of the output will be exactly the same as if the file was saved through the latest Microsoft Office 2019 suite.
SDA is an open source vector drawing format created by OpenOffice.org. Although it is a drawing extension, it supports vector images only. Vector images may include charts, diagrams etc. This file extension is supported by Open Office and Star Office drawing tool.