This X post preview shows how your caption and image will actually render in X’s own feed, including the point where X cuts the caption off behind "a "more" control" and a reader has to tap to read the rest. It is the exact same preview engine as our general social media post preview tool — this page just defaults to X and answers X-specific questions below it. X composer behavior.
We just shipped a big update to how bulk imports work. Here's a quick look at what changed and why it makes scheduling a month of content faster than before. Let us know what you think!
X does not truncate a post in the timeline the way the other platforms here do — the composer simply refuses text past the character limit, so whatever fits is shown in full. X’s 280-character composer limit is the only ceiling that applies — there is no separate feed truncation point.
A 320-character caption with its hook in the first 80 characters reads completely for a scrolling X viewer even though the rest is hidden behind "the limit".
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