Mailvelope

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

Mailvelope - Secure Email Encryption Firefox Add-on

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.
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Add-on stats

Users: 30,845
308
Rating: 4.04
(113)
1 ratings
Version: 5.2.0 (Last updated: 2024-07-05)
Creation date: 2014-04-14
Weekly download count: 427
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: 2.95M

Ranking

# 419 ▲ 2
Other rankings
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Other platforms

Mailvelope (v6.0.1)
4.45 (433) 200,000
Not available on Android
Mailvelope (v5.2.0)
4.10 (9) 51,951
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Add-on 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

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 set up and use
  • Works well with Gmail
  • Provides a painless PGP experience
Cons
  • Concerns about privacy and permissions required
  • Requires manual installation steps for GPG on Linux
  • Limited functionality with Yahoo and Outlook, especially regarding attachments
Most mentioned
  • Does not work well with GPG on Linux without following specific instructions
  • Suspicion regarding browser data access
  • Recommendation from email provider creates trust issues
User reviews
ok
by DjKanguru, 2024-12-02
by CHU, 2024-11-26
by Firefox user 18672640, 2024-11-06
View all user reviews

Add-on safety

Risk impact

Mailvelope requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk likelihood

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

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