Install here: https://addons.mozilla.org/en-US/firefox/addon/firemsg-burn-after-reading/
Send confidential messages that vanish after being read. Safe. Simple. Secure.
FireMsg.cc is the ultimate tool for sending private messages that automatically destroy themselves after being opened. Whether you're sharing sensitive information or just want to keep a conversation truly temporary, FireMsg.cc ensures your messages won’t linger.
(FireMsg is based on https://github.com/AndrewPaglusch/FlashPaper)