Short answer: Facebook won’t post an empty status or comment. If you type only spaces, Facebook trims them and the Post button stays gray. To get a post that looks blank, people paste an invisible character: a symbol that takes up space but shows nothing, so Facebook treats it as text.
This is a workaround, so it doesn’t work in every version of the app, and Facebook can change how it handles these characters at any time. The steps below are the ones people use most.
Two Unicode characters are used for blank posts and names because they display as empty space:
Select only what is between the brackets, not the brackets themselves. On a phone, press and hold between them and use the selection handles, or copy it from a notes app where you pasted this page’s text first.
The comment shows your name and picture with nothing under it. If you’d rather make people curious than confused, a single emoji or a dot does a similar job and always works.
A blank post still reaches the people in its audience. If you just want to test how something looks, set the audience to Only me first.
Mostly for fun: to puzzle friends, to take part in a trend, or to see who comments “what is this?”. Some people use a blank comment to follow a thread without writing anything. If your goal is attention for a real post, a clear question usually gets more replies than a blank box; our guide on asking a question on Facebook shows the built-in options.
Not with spaces. Facebook trims them. An invisible character such as the Hangul Filler makes the post look empty.
Yes, by pasting an invisible character into the comment box.
An empty-looking post isn’t a violation by itself. Spamming blank comments on other people’s posts is a different matter and can be reported as spam.
Yes, it shows in your activity like any other post. See how to find an old post on Facebook.
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