ONIONSHARE - Send Big Files Securely and Anonymously

OnionShare lets you securely and anonymously share files of any size. It works by starting a web server, making it accessible as a Tor hidden service, and generating an unguessable URL to access and download the files. It doesn't require setting up a server on the internet somewhere or using a third party filesharing service. You host the file on your own computer and use a Tor hidden service to make it temporarily accessible over the internet. The other user just needs to use Tor Browser to download the file from you.

Features include:

  • A user-friendly drag-and-drop graphical user interface that works in Windows, Mac OS X, and Linux
  • Ability to share multiple files and folders at once
  • Support for multiple people downloading files at once
  • Automatically copies the unguessable URL to your clipboard
  • Shows you the progress of file transfers
  • When file is done transferring, automatically closes OnionShare to reduce the attack surface
  • Localized into several languages, and supports international unicode filenames
  • Designed to work in Tails, for high risk users

You can learn more about OnionShare here: https://onionshare.org/

To install OnionShare on Ubuntu, open a terminal and type:

sudo add-apt-repository ppa:micahflee/ppa

sudo apt-get update && sudo apt-get install onionshare

Before you can share files, you need to open Tor Browser in the background. This will provide the Tor service that OnionShare uses to start the hidden service.

Open OnionShare and drag and drop files and folders you wish to share, and start the server. It will show you a long, random-looking URL such as http://cfxipsrhcujgebmu.onion/7aoo4nnzj3qurkafvzn7kket7u and copy it to your clipboard. This is the secret URL that can be used to download the file you're sharing. If you'd like multiple people to be able to download this file, uncheck the "close automatically" checkbox.

Send this URL to the person you're trying to send the files to. If the files you're sending aren't secret, you can use normal means of sending the URL: emailing it, posting it to Facebook or Twitter, etc. If you're trying to send secret files then it's important to send this URL securely.

The person who is receiving the files doesn't need OnionShare. All they need is to open the URL you send them in Tor Browser to be able to download the file.


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