ProtonMail Extension Alternatives

ProtonMail Extension is described as 'Unofficial ProtonMail extension. Provides notifications and makes it possible to close the ProtonMail tab, and even the browser, without getting logged out' and is an app in the web browsers category. There are four alternatives to ProtonMail Extension for a variety of platforms, including Mac, Windows, Linux, Android and iPhone apps. The best ProtonMail Extension alternative is Proton Mail, which is both free and Open Source. Other great apps like ProtonMail Extension are ElectronMail, Proton Mail Bridge and QQ Mail.

ProtonMail Extension iconProtonMail Extension
  3
  • Free • Open Source
  • ...

Unofficial ProtonMail extension. Provides notifications and makes it possible to close the ProtonMail tab, and even the...

More about ProtonMail Extension
More about ProtonMail Extension
ProtonMail Extension alternatives page was last updated May 2, 2025
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  1. Proton Mail icon

    Proton Mail

     938 likes
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    Proton Mail provides secure email services with end-to-end encryption, ensuring data protection. Swiss-based and outside US jurisdiction, it offers a free version to champion privacy as a human right. Fully accessible on any device.

    99 Proton Mail alternatives

    License model

    • Freemium • Open Source

    Application types

    Country of Origin

    • CH flagSwitzerland

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • iPad
    • Tor
    Proton Mail screenshot 1

    Properties

    1.  Privacy focused

    Features

    1.  End-to-End Encryption
    2.  Encrypted Email
    3.  Ad-free
    4.  Two-factor Authentication
    5.  Mobile friendly
    6.  No Tracking
    7.  Custom Domain
    8.  Dark Mode
    9.  PGP Encryption
    10.  Anonymous Email
    11.  Filters
    12.  Self Destructing Messages

    Proton Mail VS ProtonMail Extension

     

    • Proton Mail is the most popular Web-based, Windows, Android & Mac alternative to ProtonMail Extension.

    • Proton Mail is the most popular Open Source & free alternative to ProtonMail Extension.

    • Proton Mail is Freemium and Open SourceProtonMail Extension is Free and Open Source
    • Proton Mail is Privacy focusedProtonMail Extension is not according to our users
  2. ElectronMail icon

    ElectronMail

     23 likes
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    ElectronMail is an Electron-based unofficial desktop client for ProtonMail and Tutanota end-to-end encrypted email providers. The app aims to provide enhanced desktop user experience enabling features that are not supported by the official in-browser web clients.

    License model

    • Free • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • ProtonMail
    • Electron / Atom Shell
    • Tutanota
    ElectronMail screenshot 1

    Properties

    1.  Privacy focused

    Features

    1.  End-to-End Encryption
    2.  Multiple Account support
    3.  Ad-free
    4.  Full-Text Search
    5.  Electron based

    ElectronMail VS ProtonMail Extension

     
  4. Proton Mail Bridge icon

    Proton Mail Bridge

     16 likes
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    App to sync encrypted emails from Proton Mail with desktop email clients such as Mozilla Thunderbird, Apple Mail, and Microsoft Outlook.

    License model

    Application type

    Country of Origin

    • CH flagSwitzerland

    Platforms

    • Mac
    • Windows
    • Linux
    Proton Mail Bridge screenshot 1

    Properties

    1.  Privacy focused

    Features

    1.  Dark Mode
    2.  PGP Encryption
    3.  End-to-End Encryption
    4.  Encrypted Email

    Proton Mail Bridge VS ProtonMail Extension

     

    • Proton Mail Bridge is the most popular commercial alternative to ProtonMail Extension.

    • Proton Mail Bridge is Paid and Open SourceProtonMail Extension is Free and Open Source
    • Proton Mail Bridge is Privacy focusedProtonMail Extension is not according to our users
  5. Ad
    Screenshot
    Proton Mail icon
    Proton Mail

    Proton Mail provides secure email services with end-to-end encryption, ensuring data protection. Swiss-based and outside US jurisdiction, it offers a free version to champion privacy as a human right. Fully accessible on any devi...

    https://proton.me
    Learn More
  6. QQ Mail icon

    QQ Mail

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    Full support for general mail protocols to help you manage all your mailboxes on your phone.

    License model

    • Freemium • Proprietary

    Application type

    Country of Origin

    • CN flagChina

    Platforms

    • Android
    • iPhone
    • Apple Watch
    QQ Mail screenshot 1
    QQ Mail screenshot 2
    QQ Mail screenshot 3

    Properties

    1.  Privacy focused

    Features

    1.  Mail Filtering
    2.  Email Scheduling
    3.  Two-factor Authentication
    4.  Full-Text Search
    5.  Calendar View
    6.  No Tracking
    7.  Email Organizer
    8.  Cloud Sync
    9.  Reminders
    10.  Unified inbox
    11.  End-to-End Encryption
    12.  AI-Powered

    QQ Mail VS ProtonMail Extension

     
4 of 4 ProtonMail Extension alternatives