Skip to content


Subversion checkout URL

You can clone with
Download ZIP
Easy to use download tool and API for different types of Firefox and Thunderbird builds
Branch: master

This branch is 143 commits behind mozilla:master

Fetching latest commit…

Cannot retrieve the latest commit at this time

Failed to load latest commit information.


mozdownload is a python package which handles downloading of Mozilla applications.

Command Line Usage

The mozdownload command will download the application based on the provided command line options.


Download the latest official Firefox release for your platform:

mozdownload --version=latest

Download the latest Firefox Aurora build for Windows (32bit):

mozdownload --type=daily --branch=mozilla-aurora --platform=win32

Download the latest official Thunderbird release for your platform:

mozdownload --application=thunderbird --version=latest

Download the latest Earlybird build for Linux (64bit):

mozdownload --application=thunderbird --type=daily --branch=comm-aurora --platform=linux64

Download this README file:

mozdownload --url=

Download a file from a URL protected with basic authentication:

mozdownload --url= --username=admin --password=password

Run mozdownload --help for detailed information on the command line options.

Something went wrong with that request. Please try again.