Merlin
Mailvelope

Mailvelope

Enhance your webmail provider with end-to-end encryption. Secure email communication based on the OpenPGP standard.

What is Mailvelope?
Mailvelope is a Firefox extension that enhances webmail providers with end-to-end encryption. It supports the OpenPGP encryption standard, allowing secure email communication. Compatible with Gmail, Outlook, Yahoo and more, it seamlessly integrates security into your workflow. Additionally, Mailvelope is open source and based on the OpenPGP.js library.
Download
Merlin
Stats
Version: 5.1.2 (Last updated: 2024-02-20)
Creation date: 2014-04-14
Weekly download count: 486
Firefox on Android: No
Risk impact: High risk impact
Risk likelihood: Moderate risk likelihood
Manifest version: 2
Permissions:
  • *://*/*
  • dns
  • identity
  • nativeMessaging
  • storage
  • tabs
  • webNavigation
Size: 3.05M
Stats date:

Chrome-Stats Rank

# 453
Other rankings
Upgrade to see more rankings

Other platforms

Mailvelope
Mailvelope (v5.1.2)
4.43 (436) 200,000
Not available on Edge
Want to check extension ranking and stats more quickly for other Firefox add-ons? Install Chrome-Stats extension to view Chrome-Stats data as you browse the Firefox Browser Add-ons.
Chrome-Stats extension
Merlin
Summary
Analyze keywords

Mailvelope adds missing encryption and decryption features to the user interface of common webmail providers. It supports the PGP encryption standard (OpenPGP, GPG) and is compatible with other PGP applications. Encrypt files on your hard drive with Mailvelope and send encrypted email attachments. Mailvelope makes integrating security into your workflow seamless.

It comes preconfigured for common webmail providers like:

But we also support other email providers or web applications which can be activated in Mailvelope with a one-click configuration step. For details, visit www.mailvelope.com/help.

Mailvelope is open source and based on OpenPGP.js, an OpenPGP library for JavaScript. The OpenPGP standard (based on PGP as originally developed by Phil Zimmermann) uses a combination of strong public key and symmetric encryption to secure electronic communication.

Follow us on Twitter: twitter.com/mailvelope Get the source code on GitHub: github.com/mailvelope/mailvelope Find the latest changelog at: github.com/mailvelope/mailvelope/blob/master/Changelog.md

User reviews
User reviews summary
These summaries are automatically generated weekly using AI based on recent user reviews. Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Easy to install and use
  • Works well with Gmail
  • Native GPG integration on Linux
Cons
  • Does not work well with Yahoo and Outlook
  • Issues with installation on Linux
  • Difficulty with GnuPG/Linux
Most mentioned
  • Native GPG integration on Linux
  • Issues with Yahoo and Outlook
  • Difficulty with GnuPG/Linux
  • Installation problems on Linux
Recent reviews
I am voting one-star only to be visible with the bad votes because it almost made me not trying it out: Contrary to the tone here, it works on Firefox/Linux with native gpg very well (current openSUSE Tumbleweed here). Follow these instructions: https://github.com/mailvelope/mailvelope/wiki/Mailvelope-GnuPG-integration Yes, it needs creating one file by hand.
by tvogel, 2024-04-07
by Pixelcode, 2024-02-25
View all user reviews
Safety
Risk impact

Mailvelope is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install Mailvelope if you trust the publisher.

Risk likelihood

Mailvelope is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Upgrade to see risk analysis details
Screenshots
Mailvelope Mailvelope Mailvelope Mailvelope Mailvelope