# mailvelope

**Repository Path**: trusted-list/mailvelope

## Basic Information

- **Project Name**: mailvelope
- **Description**: Browser extension for OpenPGP encryption with Webmail
- **Primary Language**: Unknown
- **License**: AGPL-3.0
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2026-03-18
- **Last Updated**: 2026-04-16

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# Mailvelope

[![Build Status](https://travis-ci.org/mailvelope/mailvelope.svg?branch=master)](https://travis-ci.org/mailvelope/mailvelope)

Mailvelope is a browser extension for Google Chrome and Firefox that allows secure email communication based on the OpenPGP standard. It can be configured to work with arbitrary Webmail provider.

## OpenPGP backends

Mailvelope uses the following OpenPGP implementation

  - [OpenPGP.js](https://openpgpjs.org/) for the Chrome Extension and for the Firefox Addon

## Installation

Mailvelope is available in the Chrome Web Store:
https://chrome.google.com/webstore/detail/kajibbejlbohfaggdiogboambcijhkke

For Firefox you can get it from addons.mozilla.org:
https://addons.mozilla.org/en/firefox/addon/mailvelope/

Or check the [releases](https://github.com/mailvelope/mailvelope/releases) section for latest builds of Firefox and Chrome installation packages.

## Client API

You can find the current [API Documentation](https://mailvelope.github.io/mailvelope) on GitHub pages. The version will correspond to the current master branch. A demo page with unit tests is available at: [https://demo.mailvelope.com](https://demo.mailvelope.com).

## Build instructions

If you don’t have grunt installed, yet:

    npm install -g grunt-cli

and then get and build the sources:

    git clone https://github.com/mailvelope/mailvelope.git
    cd mailvelope
    npm ci && grunt prod

#### Chrome

    grunt dist-cr

The Chrome extension will be in `dist/mailvelope.chrome.zip`.

#### Firefox

    grunt dist-ff

The Firefox web extension will be in `dist/mailvelope.firefox.zip`.

#### Development

Update your local repository:

    # inside mailvelope folder
    git checkout dev
    git pull origin dev && grunt
    # continue with 'grunt dist-cr' or 'grunt dist-ff'

There are a few more tasks/tools available:

* watch source code for changes and recompile if needed

    `grunt watch`

* test the firefox plugin

  ```
  node_modules/web-ext/bin/web-ext run --source-dir=./build/firefox
  ```

  It is possible to reload the plugin on changes, run the `grunt watch` task on another console terminal

* reset repository

    `grunt clean`

## Website

https://www.mailvelope.com

## Licence

Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE that can be found in the LICENSE file.

## About

Contact: Thomas Oberndörfer <thomas@mailvelope.com>
Twitter: [@mailvelope](https://twitter.com/mailvelope)
Contributors: see [list on GitHub](https://github.com/mailvelope/mailvelope/graphs/contributors)