You can now share files between Windows PC and iPhone iPad over Wi-Fi using the Files app without third-party apps.
How to access shared folders & files on Windows computer from an iPhone or iPad?
Quickly trim videos, compress videos, reduce file size of videos on iPhone iPad.
PDF Element – free PDF reader, editor, converter for iOS. Open, edit, convert and sign PDF on iPhone iPad.
How to connect to Mac file share from iPhone or iPad using the stock Files app?