SocialRobot· Free · 2026
Social media character limits 2026
2026 hard limits and feed fold points for every network SocialRobot publishes to.
Verified 2026-08. Product-aligned post caps match what SocialRobot validates when you schedule.
| Network | Field | Hard limit | Feed fold | Counting |
|---|---|---|---|---|
| X (Twitter)SR | Post (free) | 280 | — | Twitter weight |
| X (Twitter)SR | Bio | 160 | — | UTF-16 / JS |
| InstagramSR | Caption | 2,200 | ~125 | UTF-16 / JS |
| InstagramSR | Bio | 150 | — | UTF-16 / JS |
| LinkedInSR | Post | 3,000 | ~210 | UTF-16 / JS |
| LinkedInSR | Profile headline | 220 | ~120 | UTF-16 / JS |
| LinkedInSR | Comment | 1,250 | — | UTF-16 / JS |
| ThreadsSR | Post | 500 | — | Graphemes |
| BlueskySR | Post | 300 | — | Graphemes |
| TikTokSR | Video caption | 2,200 | ~100 | UTF-16 / JS |
| TikTokSR | Bio | 80 | — | UTF-16 / JS |
| FacebookSR | Post | 63,206 | ~477 | UTF-16 / JS |
| MastodonSR | Post (default) | 500 | — | UTF-16 / JS |
| Pin description | 500 | ~50 | UTF-16 / JS |
SR = aligned with SocialRobot validation. Fold values are approximate feed UX, not API rejects.
Frequently asked questions
Use the same cap in the composer
The hard limits in the counter are what SocialRobot validates before schedule. If it fits here, the validator won’t stop you later.
Start scheduling