.key files are presentations, created with Apple's presentation software Keynote, which is part of the iWork package. Keynote is available for Mac OS X and iOS and is a competitor to Microsoft Powerpoint. .key files can contain slides with pictures, charts, transitions and videos.
PPT is a presentation file format associated with Microsoft Power Point. This file extension can contain text, data, charts, diagrams, music and some other multimedia files. Although it is associated with Microsoft Office, it can be run on Open Office also.
+200 Formats Supported
CloudConvert is your universal app for file conversions. We support nearly all audio, video, document, ebook, archive, image, spreadsheet, and presentation formats. Plus, you can use our online tool without downloading any software.
Besides using open source software under the hood, we’ve partnered with various software vendors to provide the best possible results. Most conversion types can be adjusted to your needs such as setting the quality and many other options.
Our API allows custom integrations with your app. You pay only for what you actually use, and there are huge discounts for high-volume customers. We provide a lot of handy features such as full Amazon S3 integration. Check out the CloudConvert API.