Every social media platform has different character limits, and exceeding them means your content gets cut off or rejected. Here are the exact limits for 2025.
Platform Character Limits
| Platform | Content Type | Limit |
|----------|-------------|-------|
| Twitter/X | Tweet | 280 characters |
| Instagram | Caption | 2,200 characters |
| Instagram | Bio | 150 characters |
| Facebook | Post | 63,206 characters |
| LinkedIn | Post | 3,000 characters |
| LinkedIn | Headline | 220 characters |
| YouTube | Title | 100 characters |
| YouTube | Description | 5,000 characters |
| SMS | Message | 160 characters |
SEO Character Limits
| Element | Recommended Limit |
|---------|------------------|
| Meta title | 50-60 characters |
| Meta description | 150-160 characters |
| URL slug | 50-60 characters |
Tips for Writing Within Limits
For Twitter, be concise and cut filler words. For Instagram, the first 125 characters show before the "more" button — make them count. For LinkedIn, the first 210 characters show in the feed — front-load your key message.
Use our free Character Limit Checker to check your text against all platforms at once.