Count the characters in a post the way X actually counts them, before you find out in the composer that you are three over.
Most counters return the number of characters you typed. X does not use that number. It applies a weighting rule where common Latin characters cost one unit and almost everything else, including emoji, Chinese, Japanese, Korean, Arabic and Cyrillic, costs two. A 200-character post written in Japanese is already over the limit.
Links are the other surprise. However long the URL you paste, X rewrites it to a t.co address and charges you a flat 23 characters. A 180-character link costs the same as a 20-character one, which sometimes works in your favour.
This tool applies both rules, so the number you see here is the number the composer will show you.
A free account gets 280 weighted characters per post. A Premium subscription raises that to 25,000, though posts beyond 280 characters get collapsed behind a "Show more" link in the timeline.
That collapse matters more than the limit. The first 280 characters are what people read while scrolling, so they still carry the whole weight of whether anyone taps through. Writing a 2,000-character post is possible; getting it read is a different problem.
Replies share the same 280-character budget as posts, and replies are where most accounts actually grow. You are working inside a tighter constraint than it looks, because a good reply has to carry context, add something new, and stay readable, all in a couple of sentences.
The practical fix is to cut the throat-clearing. Openers like "Great point, and I think that" cost 30 characters and add nothing. Starting at the actual claim usually saves enough room to say the thing you wanted to say.
A post on a free X account is limited to 280 weighted characters. X Premium raises the limit to 25,000, but anything past 280 is hidden behind a "Show more" link in the timeline.
Yes, but at a fixed cost. Every link is rewritten to a t.co address and counts as 23 characters regardless of the original URL length.
X weights characters rather than counting them. Characters outside a small set of Latin ranges, which includes all emoji and most non-Latin scripts, cost two units each.
No. The counting runs entirely in your browser. Nothing is uploaded, logged or stored, and the tool works with the network disconnected.
Replies use the same limit as posts: 280 characters on a free account, 25,000 with Premium.
Want the longer explanation? Read the full guide.
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