2025-09-09 Proton voucher codes now on sale

As of today, we’re selling voucher codes for Proton’s services at our digitalgoods.proxysto.re store (also available as a Tor onion service):

• Proton Drive Plus
• Proton Mail Plus
• Proton Pass Plus
• Proton VPN Plus
• Proton Unlimited (VPN + Pass + Mail + Calendar + Drive, 500 GB)

Please note that Proton accounts can currently only be renewed shortly before the subscription expires and that it is not currently possible to combine multiple vouchers.

Founded in 2014, the Swiss company Proton is one of the largest providers of privacy-friendly online services. Its best-known products are Proton Mail and the 2017 launched Proton VPN.

The Proton web applications are also available as a Tor onion service.

Proton regularly publishes transparency reports:

• Proton
• Proton VPN

All Proton apps are open source, and almost all products have undergone security audits:

• Proton Drive
  • Proton Drive – Security audit for iOS platform 2022
  • Proton Drive – Security audit for Android platform 2022
  • Proton Drive – Security report 2021
• Proton Mail
  • Proton Mail (Web) – Security report 2021
  • Proton Mail (Desktop Client Windows and MacOS) – Security report 2024
• Proton Pass
  • Proton Pass 2023
• Proton VPN
  • Proton VPN (Clients) – Security Assessment 2025
  • Proton VPN (Browser Extension) – Security Assessment 2024
  • Proton VPN no-logs security audit 2024
  • Proton VPN no-logs security audit 2023
  • Proton VPN no-logs security audit 2022

Proton also offers a bug bounty program for vulnerabilities that are found.