Mailvelope is a browser extension for OpenPGP encryption used for secure email communication.
Best PreVeil Alternatives ranked by AI · updated Aug 2026
PreVeil is an end-to-end encrypted email and file-sharing platform with apps and integrations for common email environments. It is designed for individuals and organizations that need strong encryption across devices without exposing plaintext to the provider.
Top 6 PreVeil alternatives
Virtru is an email and file encryption software that provides end-to-end encryption and control for sharing sensitive information.
Starting at $4 per user per month
Encipher It is a browser-based tool for encrypting email messages and attachments before sending them through webmail services. It is aimed at...
Pros
- Works with existing webmail accounts instead of requiring a new mailbox
- Encrypts message content and attachments in the browser
- Simpler setup than managing a full desktop PGP client
Cons
- Less broadly supported and maintained than major encrypted-mail services
- Recipients generally need Encipher It or compatible tooling to decrypt messages
- Provides fewer mailbox, calendar, and collaboration features than secure email providers
FlowCrypt is an OpenPGP email encryption tool for Gmail and supported browser environments. It is built for people who want encrypted email...
Pros
- Streamlines PGP email for Gmail users
- Supports OpenPGP encryption and digital signatures
- Provides a simpler setup than many desktop key-management tools
Cons
- More limited outside supported email and browser workflows
- Advanced key-management features are less extensive than GnuPG tools
- Some features require a paid plan
Freemium, paid plans available
5
Proton Mail
Proton AG
Proton Mail is a privacy-focused email service for individuals and organizations. It provides end-to-end encryption for messages between Proton users, zero-access encryption...
Pros
- Much stronger privacy protections than Mail.ru
- End-to-end encryption for Proton-to-Proton messages
- Open-source clients and privacy-focused infrastructure
Cons
- Smaller free storage allowance than Mail.ru
- Fewer mainstream integrations than Gmail or Outlook
- Encrypted communication with non-Proton recipients requires extra steps
Free; paid plans from €3.99/mo
6
Tuta Mail
Tuta
Tuta Mail is an encrypted email service for privacy-conscious individuals, teams, and organizations. It provides encrypted mail, calendars, aliases, and custom-domain support...
Pros
- More privacy-focused than mailto:space and mainstream providers
- Encrypts mailbox data and supports encrypted calendars
- Offers a usable free plan with open-source clients
Cons
- Fewer integrations and interoperability options than Fastmail
- Search and message handling can be more constrained by encryption
- Custom domains and business features require paid plans
Free; paid plans from €3.49/mo
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