Absolutely Yes! Deck is and will be a free tool. We might launch a pro version in future, but the core functionality will be free forever
Currently focused on Sketch. But in future support for major design softwares such as Figma, Photoshop & XD can be expected
The plugin converts files to a .pptx format. This format is an open source format which can be opened using Keynote. From keynote u can export to various format including .key
All files generated by the user are removed immediately once the hit the download button. We don't keep any files or sketch configuration files on our servers. We do keep a record of the files (Names, Sketch IDs) that are successfully converted
Make sure you have checked the supported features to get an idea of what properties are taken from the sketch file. We also little hacks mentioned in the supported features document
You can visit our spectrum community and posted in our Hugs & Bugs channel. Reporting bugs is always welcomed