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Mastodon character limit
A Mastodon post can be up to 500 characters on most servers. Every link counts as 23 characters. Some servers raise the limit, so check yours.
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Check the same text against X, Instagram, LinkedIn, YouTube, Google and SMS at once, with your own limit set to this one.
Open the character counterMastodon post: the numbers
| Maximum | 500 characters |
|---|---|
| How it counts | Characters, with every link counted as 23 however long it is. |
| English words that fit | 76–90 |
Last reviewed October 2026. Platforms change their limits; when it matters, check the platform’s help pages.
What counts as a character
- Each link counts as 23 characters, whatever its length.
- Content warnings count toward the limit too.
Best length vs the maximum
- Use content warnings for long posts or sensitive topics; readers expand what they want.
- Hashtags help discovery on Mastodon, where there is no algorithmic feed: use CamelCase (#WritingTips) so screen readers read them well.
Questions and answers
How many characters is a Mastodon post?
500 on most servers; some allow more.
Do links count in full on Mastodon?
No, every link counts as 23 characters.