Files and URLs can be sent via web interface upload, email API or making use of VirusTotal's browserextensions and desktop applications.

allows you to write a confidential note and send a link to someone for reading it. The note is destroyed after reading once, no more worrying about your message being forwarded to and read by others.

The ProtonMail inbox is optimized for productivity. Each detail within our secure email service is optimized to help you better read, organize, and send email. Because of our end-to-end encryption, your data is already encrypted by the time it reaches our servers. 

converts your email address into a short and safe link (for instance http://scr.im/joe) so that you can share it on the web to avoid spam robots and get less spam.

forwards only a limited number of mails to your protected email address and eats the rest. Adding trusted senders and more settings are available.

examines a shortened URL you gave and finds out where it leads to before you actually click on it. It helps surfing the net more safely.

 an online independent service to analyse suspicious files and detect viruses, worms, trojans and other malware by multiple antivirus engines. Detailed results from each antivirus engine are listed after it has scanned the file uploaded.