What is the character limit on Mastodon?

500 characters on most servers. Some servers raise it.

Do links count toward the Mastodon limit?

Every link counts as 23 characters, whatever its length.

Is this character counter free?

Yes, with no account and no limit. Counting happens in your browser, so nothing you type is sent anywhere.

Mastodon character counter

Mastodon posts are limited to 500 characters on most servers, though some servers allow more. Every link counts as 23 characters.

of 500 on Mastodon

0 characters0 words0 lines

Mastodon

500/ 500

X (Twitter)

280/ 280

Bluesky

300/ 300

Threads

500/ 500

Discord

2,000/ 2,000

Instagram

2,200/ 2,200

TikTok

2,200/ 2,200

3,000/ 3,000

4,096/ 4,096

YouTube (description)

5,000/ 5,000

Facebook

63,206/ 63,206

Mastodon character limits

Mastodon character limits
	Limit
Post (default)	500 (server-dependent)
Any link	Counts as 23
Bio	500
Images per post	Up to 4

Writing within the Mastodon limit

Check your server's limit; some allow thousands of characters.
Content warnings count toward the limit.
Hashtags are how people find posts on Mastodon; use a few relevant ones.

Schedule Mastodon posts

Questions people ask

What is the character limit on Mastodon?: 500 characters on most servers. Some servers raise it.
Do links count toward the Mastodon limit?: Every link counts as 23 characters, whatever its length.
Is this character counter free?: Yes, with no account and no limit. Counting happens in your browser, so nothing you type is sent anywhere.

Character counters for other networks

X (Twitter) character counter Instagram character counter LinkedIn character counter Threads character counter Bluesky character counter TikTok character counter YouTube character counter Facebook character counter Discord character counter Telegram character counter Pinterest character counter

Write once, fit every network

Tesselith flags Mastodon's limit as you compose, lets you tailor each network's version, and schedules them all.

Join the waitlist

Mastodon character counter

Mastodon posts are limited to 500 characters on most servers, though some servers allow more. Every link counts as 23 characters.

of 500 on Mastodon

0 characters0 words0 lines

Mastodon

500/ 500

X (Twitter)

280/ 280

Bluesky

300/ 300

Threads

500/ 500

Discord

2,000/ 2,000

Instagram

2,200/ 2,200

TikTok

2,200/ 2,200

3,000/ 3,000

4,096/ 4,096

YouTube (description)

5,000/ 5,000

Facebook

63,206/ 63,206

Mastodon character limits

Mastodon character limits
	Limit
Post (default)	500 (server-dependent)
Any link	Counts as 23
Bio	500
Images per post	Up to 4

Writing within the Mastodon limit

Check your server's limit; some allow thousands of characters.
Content warnings count toward the limit.
Hashtags are how people find posts on Mastodon; use a few relevant ones.

Schedule Mastodon posts

Questions people ask

What is the character limit on Mastodon?: 500 characters on most servers. Some servers raise it.
Do links count toward the Mastodon limit?: Every link counts as 23 characters, whatever its length.
Is this character counter free?: Yes, with no account and no limit. Counting happens in your browser, so nothing you type is sent anywhere.

Character counters for other networks

Write once, fit every network

Tesselith flags Mastodon's limit as you compose, lets you tailor each network's version, and schedules them all.

Join the waitlist