Real-time simulation of your post on X.
Compose, reorder, and meter multi-tweet threads with individual 280-character gauges.
X polls enforce a strict 25-character cap per option. Verify your poll choices before posting.
Check if your post fits across Bluesky, Threads, Mastodon, and LinkedIn simultaneously.
Click any proven engagement framework below to load it directly into your composer.
Introducing [Product Name] — the easiest way to [Solve Core Problem]. After months of building, it is finally live: • [Key Feature 1] • [Key Feature 2] • 100% Free & Open Try it now: https://yourlink.com #buildinpublic #webdev
Most people overcomplicate [Topic]. Here are [5] simple rules that will put you in the top 1%: A thread with examples:
Quick checklist before you ship [Project/Task]: • Double-check mobile responsiveness • Test critical user flows • Verify SEO tags & social cards • Clean up debug logs What else is on your checklist?
Unpopular opinion: [Common Myth] is holding most creators back from [Desired Result]. Here is what actually moves the needle instead:
How we went from [Point A] to [Point B] in [Time Period]: (Without [Costly Expense or Mistake]) 3 key lessons we learned along the way: 1/
Comprehensive specification of character thresholds and weighting criteria across the X platform.
The universal limit for all standard accounts. Doubled from the historic 140-character limit in 2017.
Long-form articles and expansive thoughts for verified subscribers, formatted with a “Show more” disclosure.
Your personal headline. Every character, emoji, and link counts toward this concise elevator pitch.
Private conversations allow extensive discussions and code snippets without arbitrary truncation.
Authoritative overview of character restrictions across all account tiers and profile fields.
| Entity Feature | Character Threshold | Eligibility Tier | Calculation Specifications |
|---|---|---|---|
| Standard Post (Tweet) | 280 characters | Free / Universal | Links count as 23 chars; emojis & CJK count as 2 chars. |
| X Premium Post | 4,000 characters | Premium Subscriber | Includes 'Show more' reader expansion. |
| X Premium+ Long-form | 25,000 characters | Premium+ Subscriber | Article-style publishing with rich formatting. |
| Profile Bio | 160 characters | Universal | Includes hashtags, mentions, and links. |
| Direct Message (DM) | 10,000 characters | Universal | Private messaging threshold per message. |
| Display Name | 50 characters | Universal | Appears on profile header. |
| Username (@handle) | 15 characters | Universal | Alphanumeric and underscores only. |
Twitter routes all hyperlinks through its native t.co redirection wrapper. Regardless of whether your link is 8 characters or 120 characters long, it strictly consumes 23 characters.
Modern emojis (including multi-byte grapheme clusters, skin tone modifiers, and zero-width joiner sequences like 👨👩👧👦) count as 2 characters each under X’s official text weighting algorithm.
Chinese, Japanese (Kanji/Hiragana/Katakana), and Korean Hangul characters convey significantly higher information density per glyph and are counted as 2 characters per symbol.
Diagram showing step-by-step extraction and byte-level classification of tweet content.
Direct, authoritative answers to core questions about post composition, character limits, and threads on X.
Standard free accounts can use up to 280 characters per post on X.
Subscribers to X Premium (formerly Twitter Blue) unlock expanded thresholds: standard Premium members can compose posts up to 4,000 characters, while Premium+ accounts can author long-form articles up to 25,000 characters. These long-form posts display with an interactive 'Show more' disclosure button in user feeds.
All URLs posted on X strictly count as 23 characters, regardless of their original length.
X routes all external links through its proprietary t.co redirection and safety wrapper. Because the resulting shortened link always occupies exactly 23 characters on Twitter's database, the platform awards users a fixed 23-character deduction. A 100-character URL is therefore credited with 77 bonus characters for text.
Yes, every emoji counts as 2 characters under X's official weighted algorithm.
Emojis are represented in Unicode using multi-byte surrogate pairs and grapheme clusters. Whether you type a basic smiley (😀), a skin-tone modified gesture (👍🏽), or a complex Zero-Width Joiner (ZWJ) family glyph (👨👩👧👦), Twitter's open-source twitter-text parser normalizes each emoji cluster to exactly 2 weighted units.
The Thread Splitter breaks long posts along natural paragraph and sentence boundaries without clipping words.
Our algorithm looks ahead for logical break points (paragraphs, periods, question marks, and spaces). It reserves 8 characters at the end of each segment for sequential numbering (e.g., 1/4, 2/4), ensuring every tweet in your thread remains under the 280 limit while maintaining reader flow.
The Unicode Styler converts standard letters into mathematical alphanumeric symbols that render natively on X.
Because X lacks a native rich-text editor (Markdown or HTML), bold and italic styling cannot be applied with standard markup. Mathematical Alphanumeric Unicode characters (like 𝗕𝗼𝗹𝗱 or 𝙄𝙩𝙖𝙡𝙞𝙘) are treated by operating systems and social feeds as regular text characters, displaying identically on iOS, Android, and desktop.
No, all calculation, formatting, and drafting operates 100% locally in your browser.
Our application runs entirely client-side with zero tracking, zero advertising scripts, and zero server logging. Drafts are safely cached in your personal browser's local storage so you never lose unsaved work upon page reload, but no content is ever transmitted over the network.
Verify official weighted character limits, format Unicode text, and split threads with zero latency.