Proton Drive: Proton Drive, based in Switzerland, offers robust end-to-end encryption and ensures that only you have access to your files. It is a reliable option for privacy-focused users.
Cryptomator: Cryptomator is an open-source encryption tool that works with various cloud storage providers like Dropbox, Google Drive, and OneDrive. It allows you to encrypt your files before they are uploaded to the cloud, ensuring your data remains private.
These services provide a combination of free storage and strong encryption, making them suitable for users who prioritize data security.