Zero Width Space
U+200BZero-width or format character
Messenger Unicode tester
Build a short Messenger chat sample with invisible Unicode, then copy it or transfer it to the Test Box before pasting into a conversation.
U+200BZero-width or format character
U+3164Blank-looking special character
U+00A0Visible spacing character
Use the tool above to create a short invisible Unicode sample for Messenger chat formatting, spacing checks, or blank-looking message testing. Transfer the output to the Test Box first so you can confirm the character count before pasting into Messenger.
Messenger may normalize, remove, or display invisible characters differently across mobile, desktop, web, and Facebook chat surfaces. Test short samples and use visible text when a conversation needs context.
Messenger behavior can differ between phone apps, desktop apps, browser chat, and Facebook surfaces. App updates may trim or normalize invisible Unicode, and some fonts may show a box instead of a blank.
Use invisible Messenger text for formatting, spacing, and Unicode compatibility testing. Follow Messenger rules and avoid spam, harassment, impersonation, evasion, or disruptive messaging.