Chrome Extension

Mailvelope can be installed from the Chrome Web Store.

Firefox Addon

A Firefox version of Mailvelope is available at

How does it work?

This documentation guides you through the basics to help you get started with Mailvelope.

View details »


11/05/2016 - v1.4.0 | File encryption and key search.
14/04/2015 - v0.13.0 | First stable release with client-API and De-Mail support.
27/11/2014 - v0.11.0 | Security fixes. Please update the Firefox add-on at
14/10/2014 - v0.10.2 | Firefox compatibility release.
01/10/2014 - v0.10.0 | Mailvelope available in Chinese (China), French, German, Norwegian, Polish, Russian, Spanish.
09/04/2014 - v0.8.0 | More details in the v0.8.0 blog post.


Mailvelope is free and open source. Help support its continued development.

Follow us

For updates on the development of Mailvelope, follow us on Twitter.


Mailvelope is based on OpenPGP.js, a JavaScript implementation of the OpenPGP standard.