Encrypt before upload

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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.

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Everything is encrypted by the very well established algorithm PGP. The algorithm is used by Proton, Mailvelope, Encrypt.to and many others.

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You can also generate strong password now;
You can encrypt large files up to 1GB now;

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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!

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Source code: https://github.com/penghuili/PreCloud