Facebook Post Character Limit 2026: Complete Guide
Complete guide to Facebook character limits for posts, comments, ads, and profiles. Optimize your content for maximum engagement.
Check your Facebook post length with our free character counter.
Here's something that surprised me when I first dug into this: Facebook gives you over 63,000 characters per post. That's basically a short novel. But here's the thing — just because you can doesn't mean you should. I've learned that understanding these limits AND optimal lengths is what actually gets engagement.
Character Limits Overview
| Content Type | Character Limit | Visible Before "See More" |
|---|---|---|
| Post | 63,206 | ~477 (desktop) / ~125 (mobile) |
| Comment | 8,000 | Varies |
| Bio (Intro) | 101 | Full |
| Page Description | 255 | ~155 |
| Event Description | 8,000 | First few lines |
| Messenger | 20,000 | Full |
Post Character Limits
The 63,206 Character Limit
Facebook's massive character limit allows for:
- Long-form storytelling
- Detailed announcements
- Full articles (though notes are better for this)
- Comprehensive updates
Truncation Points
- Desktop: ~477 characters before "See more"
- Mobile: ~125 characters before "See more"
- With images: Even less text visible
Profile Limits
- Bio (Intro): 101 characters
- Name: 50 characters
- About: 101 characters
- Work/Education: Various limits per field
Business Pages
| Element | Limit |
|---|---|
| Page Name | 75 characters |
| Short Description | 155 characters |
| Full Description | 255 characters |
| Mission | 244 characters |
| Company Overview | 50,000 characters |
Facebook Ads
| Ad Element | Recommended | Maximum |
|---|---|---|
| Primary Text | 125 characters | No strict limit |
| Headline | 40 characters | 255 characters |
| Link Description | 25 characters | 30 characters |
Note: Facebook recommends staying within these limits to avoid truncation in ads.
Optimal Post Length for Engagement
Research Findings
- Under 80 characters: 66% higher engagement
- 40-80 characters: Best for link posts
- Under 250 characters: Good all-around
- Over 250 characters: Can work for storytelling
Best Practices
- Front-load value: Key message in first 125 characters
- Be concise: Shorter posts typically perform better
- Use visuals: Images increase engagement significantly
- Ask questions: Drive comments and interaction
- Test different lengths: Your audience may differ
Frequently Asked Questions
What is the Facebook post character limit?
Facebook posts can be up to 63,206 characters—the highest of any major social platform. However, posts are truncated after about 477 characters on desktop and 125 on mobile, requiring users to click "See more" to view the full content.
What is the optimal Facebook post length?
Posts under 80 characters tend to get the highest engagement, with 66% more engagement than longer posts. For link posts, 40-80 characters is optimal. However, the best length depends on your specific content type and audience.
What is the Facebook comment character limit?
Facebook comments can be up to 8,000 characters, giving you plenty of room for detailed responses. However, shorter, more focused comments tend to get more engagement.
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Check your Facebook posts, comments, and ads in real-time. Ensure key content appears before the 477 character truncation point.
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