A online tool where the server has zero knowledge of pasted data. Data is encrypted/decrypted in the browser using 256 bits AES.
Features:
Password protection
Discussions, anonymous or with nicknames
Expiration times, including "burn after reading" option
Markdown format support for HTML formatted pastes, including preview function
Syntax highlighting for source code
File upload support (size limit), image, video, audio and PDF preview
QR code for URLs, to easily transfer them over to mobile devices
Notes:
If you choose burn after reading but no one reads it, the file will still be deleted automatically after expiration.
The maximum file size that can be uploaded is 2MB.
This tool is an alternative to Privatebin.