PDF to PowerPoint (yamada-tools.jp)
Free online tool to convert PDF documents into editable PowerPoint presentations (.pptx). No registration required. Files are processed on Japanese domestic servers with SSL encryption and automatically deleted after 60 minutes.
PPT to PDF (yamada-tools.jp)
Free online tool to convert PowerPoint presentations (.ppt, .pptx) to PDF. No registration required. Files are processed on Japanese domestic servers with SSL encryption and automatically deleted after 60 minutes. Supports files up to 20MB.