t-rekttt / invisible_message

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Invisible Message

invisible-message-facebook.mp4

What is this?

This is a tool (userscript) for encoding/decoding Facebook Messenger messages to invisible characters

(Thanks to zws for the zero width characters table: https://github.com/zws-im/tools)

You're free to re-use the source code, but please keep the credit

How does it work?

The tool will be hooking into your Facebook messenger's React component to support 2 main features:

  • Encode your message into invisible messages (on demand)
  • Decode invisible messages sent by you and others to the normal/readable format

Features

  • No manual interaction required (no manual scripting/injection into dev console, blah blah,...just install once and use forever)
  • Easy to use
  • Sent messages remain fully invisible when you turn off the tool, fully invisible on mobile devices
  • v0.8: Now with inline hidden messages
  • v0.10: Now you can put hidden text between other visible texts. Syntax changed to: > text <

How to use

  • Install Tampermonkey
  • Install my userscript from here
  • Turn off your Facebook/Messenger tab and open it back again (to reflect the changes)
  • When you need to encode a message, add ">" at the beginning of the message. Example: >Hello

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