The Bluesky post character limit is 300 characters. Measured in graphemes (an emoji counts as one).
0 / 300 characters · 300 left · 0 words
300 characters is roughly 49 words of average English text (about 6.1 characters per word including the space).
Limits at a glance
| Field | Limit |
|---|---|
| X (Twitter) post | 280 |
| X (Twitter) bio | 160 |
| Instagram caption | 2,200 |
| Instagram bio | 150 |
| TikTok caption | 4,000 |
| TikTok bio | 80 |
| YouTube title | 100 |
| YouTube description | 5,000 |
| LinkedIn post | 3,000 |
| LinkedIn headline | 220 |
| LinkedIn About section | 2,600 |
| Facebook post | 63,206 |
| Threads post | 500 |
| Bluesky post | 300 |
| Pinterest pin description | 500 |
| SEO title tag | 60 |
| Meta description | 160 |
| SMS text message | 160 |
| Google Ads headline | 30 |
| Discord message | 2,000 |
Limits as published by each platform in 2026; platforms change them occasionally. For long text use the character counter.