Encrypt before upload --- Encrypt your files and notes before uploading them to cloud. Open source, no tracking and free forever. (In-app-purchase is only used for donation) PreCloud has no server, everything happens on your device: your passwords, the encryption process, the encrypted files and notes. You can safely upload the encrypted texts or files to wherever you want, making any cloud provider an encrypted storage. --- Everything is encrypted by the very well established algorithm PGP. The algorithm is used by Proton, Mailvelope, Encrypt.to and many others. --- You can also generate strong password now; You can encrypt large files up to 1GB now; --- NOTE: Please keep your master password in a safe place, like a password manager. If you lose it, you can NOT decrypt your texts and files! --- Source code: https://github.com/penghuili/PreCloud