NoteBurn

BurnNoteBot's own greeting states its function directly: "Welcome. I'm the best bot for creating self-destructing notes." Send it a piece of text and it hands back a one-time link — open that link once, and the note is gone, similar in spirit to the well-known Privnote web service but delivered through a Telegram chat.

This is a genuinely different, and less ethically fraught, kind of "privacy" tool than the message-tracking bots elsewhere in this list: rather than capturing what someone else sent you, it's about sharing something sensitive (a password reset link, a temporary access code, a piece of information you don't want sitting permanently in someone's chat history) in a way that limits how long it exists. The person sending the note controls exactly what gets shared and for how long it's readable.

As with any third-party note-burning service, don't put anything genuinely critical through it (like an actual account password) without accepting that a third-party bot briefly holds the plaintext before it's read — for something as sensitive as a password, a proper password manager's built-in secure-sharing feature is a better fit than any Telegram bot.