Your messages and files are encrypted before being sent and only decrypted after reception.

Safester uses the OpenPGP standard for encryption and the most robust algorithms (AES, RSA…) with long keys of 2048 bits, as recommended by security experts.
There is no way to intercept your messages.

The client-side source code is 100% Open Source: this ensures that there is no backdoor or other malware.
We will never be able to decrypt our users’ messages.

All messages are stored encrypted on our servers.