// Reference guide
Social media character limits.
Compare post, caption, title, description, and message limits across supported social platforms before writing or scheduling.
| Platform | Field | Character limit | Tool |
|---|---|---|---|
 LinkedIn | Post or caption | 3,000 | Open counter |
 X (Twitter) | Standard | 280 | Open counter |
| X (Twitter) | Premium | 4,000 | Open counter |
 Instagram | Post or caption | 2,200 | Open counter |
 Facebook | Post or caption | 63,206 | Open counter |
 Threads | Post or caption | 500 | Open counter |
 Bluesky | Post or caption | 300 | Open counter |
 TikTok | Post or caption | 2,000 | Open counter |
 Reddit | Post or caption | 10,000 | Open counter |
 Discord | Post or caption | 1,980 | Open counter |
 YouTube | Title | 100 | Open counter |
| YouTube | Description | 5,000 | Open counter |
 Pinterest | Pin Description | 500 | Open counter |
| Pinterest | Bio | 160 | Open counter |
 Telegram | Message | 4,096 | Open counter |
| Telegram | Caption | 1,024 | Open counter |
 Mastodon | Post or caption | 500 | Open counter |
Free tools
Count characters while you write
Use Kairo's free character counters, font generators, and text tools for each platform.
Next guide
Social media image sizes
Check profile, banner, post, story, thumbnail, and pin sizes.