iMazing HEIC Converter - iMazing HEIC converter is a free Mac and PC app which converts photos from HEIC to JPEG or PNG.
Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.
XnView MP - XnView is a free software that allows you to view, resize and edit your images. It supports more than 500 different formats!
Foxit Reader - Foxit Reader is a free and light-weight multi-platform PDF document viewer.
QuickLook - Bring macOS “Quick Look” feature to Windows.
Wondershare PDFelement - All-in-one PDF editor