X (Twitter) Character Limit: 280 Characters
Last updated July 2026
The X (Twitter) character limit is 280 characters per post on free accounts, and up to 25,000 characters for X Premium subscribers. That's the shortest hard limit of the major networks — Bluesky gives you 300 and most others far more.
Note: URLs always count as 23 characters. X Premium long-form posts truncate at 280 in the timeline with a Show more link.
Character limits across platforms
| Platform | Post limit | Native threading |
|---|---|---|
| X (Twitter) | 280 | Yes |
| Bluesky | 300 | Yes |
| Threads | 500 | Yes |
| Mastodon | 500 | Yes |
| 2,200 | No | |
| 3,000 | No | |
| 63,206 | No |
Compare in detail with Bluesky’s 300-character limit, Threads’s 500-character limit, and Mastodon’s 500-character limit, or see the full social media character limits comparison.
What happens when you exceed the limit
X (Twitter) supports native threads, so longer content isn't lost — it's continued in a connected reply. When your post runs past 280 characters, the right move is to split it at a sentence boundary and post the remainder as the next item in the thread, keeping each part under the limit.
Other X (Twitter) limits
| Field | Limit |
|---|---|
| Bio | 160 characters |
| Display name | 50 characters |
| Username / handle | 15 characters |
| Direct message | 10,000 characters |
| Image alt text | 1,000 characters |
Ideal X (Twitter) post length
While you can use all 280 characters, the engagement sweet spot on X (Twitter) is around 71–100 characters. Leading with a tight, front-loaded hook tends to outperform maxing out the limit.
Cross-posting to X (Twitter) with Postwake
Postwake watches the platform you actually write on and replicates each post to X (Twitter) within seconds. When your source post is longer than X (Twitter)'s 280-character limit, Postwake splits it into a native thread rather than truncating it. It's deterministic by design: no double-posts, no black-box AI, and if a platform rejects a post you get the exact error and a retryable action.
Frequently asked questions
What is the X (Twitter) character limit in 2026?
As of 2026, X (Twitter) allows 280 characters per post on free accounts, and up to 25,000 characters for premium subscribers.
Can I post longer than 280 characters on X (Twitter)?
Yes — premium subscribers can write up to 25,000 characters, and you can also continue past 280 by splitting the content into a native thread.
How does X (Twitter) compare to Bluesky?
X (Twitter) allows 280 characters per post versus 300 on Bluesky — Bluesky gives you 20 more characters per post.
How does X (Twitter) compare to Threads?
X (Twitter) allows 280 characters per post versus 500 on Threads — Threads gives you 220 more characters per post.
How does X (Twitter) compare to Mastodon?
X (Twitter) allows 280 characters per post versus 500 on Mastodon — Mastodon gives you 220 more characters per post.
How does Postwake handle the X (Twitter) character limit when cross-posting?
Postwake watches your origin platform and replicates each post to X (Twitter), automatically splitting it into a native thread when it exceeds 280 characters — deterministically, with no double-posts.
Post once. Reach everywhere.
Write on your favorite network and let Postwake replicate it to X (Twitter) and beyond — thread-splitting and platform limits handled automatically.