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freeno login63,206 Unicode code points

Facebook post preview

See the post in Facebook's own chrome, and exactly where its feed folds the rest behind "… See more". Nothing you type or attach leaves your browser.

Sam Rivera
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Nothing you type or attach leaves this tab - no upload, no account, no server.

Facebook133 / 63,206 Unicode code pointsfits above the fold

Counted in Unicode code points: one plain character is one, and a link costs its full length.

Questions

Is this Facebook post preview free?
Yes. There is no login and no upload: it runs entirely in your browser, and nothing you type or attach leaves your device.
Does the preview match what Facebook actually shows?
It is the same chrome our studio uses before a post publishes: Facebook's current header layout, action row and media grid, in either of Facebook's themes. Engagement numbers are decorative, as in every scheduler's preview.
Where does Facebook cut the post off with "… See more"?
Facebook shows 3 lines in the feed, then "… See more". No platform publishes that threshold, so the preview measures its own clamp at the width you are viewing instead of trusting a character count - switch it between desktop and phone and watch the fold move.
How long can a Facebook Page post be?
63,206 characters. Counted in Unicode code points: one plain character is one, and a link costs its full length.

Where these numbers come from: our sourced Facebook Page spec page, every figure carrying its citation and the date we last checked it.

Every free tool

We built these because our own agents count against exactly these limits before they publish. Let them write the post too.