Encode and decode invisible messages in Facebook Messenger
Users
816
−9 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
9
0 in 30 days
Store rank
#35K
#29K among extensions
Version
1.1.0
updated 27 Jan 2026
Users
monthly, 9 months
Latest, 15 Oct 2026:816 usersMove the mouse over the chart for any month
Ratings count
monthly, 9 months
Latest, 15 Oct 2026:9 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Invisible Message for Facebook™
FB Invisible Message lets you send secret messages on Facebook Messenger that appear invisible to everyone except recipients who have this extension installed.
HOW IT WORKS
When enabled, your messages are encoded using special Unicode tag characters (invisible to the human eye) before being sent. Only users with this extension can decode and read the hidden content. COMPLETELY INVISIBLE TO OTHERS WHO DON'T INSTALL THE EXTENSION.
WHY INSTALL THIS?
- Privacy: Share sensitive information without leaving readable traces in chat history
- Fun: Send secret messages that only friends with the extension can see
- Simple: One-click toggle to enable/disable - no configuration needed
- Lightweight: Works seamlessly with Facebook Messenger without slowing it down
FEATURES
- Encode outgoing messages into invisible Unicode characters
- Automatically decode incoming invisible messages
- Simple on/off toggle in the popup
- Works on both facebook.com and messenger.com
- No data collection - everything happens locally in your browser
HOW TO USE
1. Install the extension
2. Click the extension icon and toggle "Enable"
3. Put secret messages on Messenger between > < (example > secret <) - they'll be automatically encoded
4. Recipients with this extension will see your decoded message
NOTE: Both sender and recipient must have this extension installed and enabled to communicate invisibly.