The YouTube description character limit is 5,000 characters. Roughly the first 150 characters appear in search; put the key line first.
0 / 5,000 characters · 5,000 left · 0 words
5,000 characters is roughly 820 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.