Code Quality Rank: L3
Programming language: Python
License: GNU General Public License v3.0 only
Tags: Cryptography     Security     File Sharing and Synchronization     Distributed filesystems     Single-click/drag-n-drop upload     Communications     File Sharing     Flask    
Latest version: v2.1

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OnionShare is an open source tool for securely and anonymously sending and receiving files using Tor onion services. It works by starting a web server directly on your computer and making it accessible as an unguessable Tor web address that others can load in Tor Browser to download files from you, or upload files to you. It doesn't require setting up a separate server, using a third party file-sharing service, or even logging into an account.

Unlike services like email, Google Drive, DropBox, WeTransfer, or nearly any other way people typically send files to each other, when you use OnionShare you don't give any companies access to the files that you're sharing. So long as you share the unguessable web address in a secure way (like pasting it in an encrypted messaging app), no one but you and the person you're sharing with can access the files.


To learn how OnionShare works, what its security properties are, and how to use it, check out the wiki.

Installing OnionShare

You can download OnionShare for Windows and macOS from the OnionShare website.

For macOS you can also use Homebrew:

brew cask install onionshare

For Ubuntu-like Linux distributions, you can use this PPA:

sudo add-apt-repository ppa:micahflee/ppa
sudo apt install -y onionshare

OnionShare may also be available in your Linux distribution's package manager. Check this wiki page for more information.

Contributing to OnionShare

You can set up your development environment to build OnionShare yourself by following these instructions. You may also subscribe to our mailing list here, and join our public Keybase team here.

Test status: CircleCI


Share mode OnionShare

Share mode Tor Browser

Receive mode OnionShare

Receive mode Tor Browser