Automatically Post LinkedIn to Facebook: Complete Guide
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LinkedIn reaches Professionals and B2B decision-makers while Facebook connects with Millennials and Gen X, letting you expand to a new audience segment. Your LinkedIn content format works on Facebook, so you can share without creating entirely new content. Whether you want to auto-post everything or filter by hashtag, this guide covers everything about LinkedIn to Facebook automation. Learn how to crosspost from LinkedIn to Facebook or repurpose your content for maximum reach.
LinkedIn to Facebook Content Compatibility
Video
Direct Transfer
Images
Direct Transfer
Text/Captions
Direct Transfer
LinkedIn vs Facebook: Platform Specs
| Spec | ||
|---|---|---|
| Caption Limit | 3,000 chars | 63,206 chars |
| Max Video Length | 10min | 4h |
| Preferred Aspect Ratio | 16:9 | 16:9 |
| Max Video File Size | 5GB | 10GB |
| Carousel Support | Up to 20 items | Up to 10 items |
| Hashtag Strategy | Unlimited | Unlimited |
| Link Support | Yes | Yes |
| Primary Audience | 25-45 | 25-54 |
Why Automate LinkedIn to Facebook?
Bring your professional LinkedIn insights to Facebook's more casual audience
Accompany your LinkedIn visuals with text-driven posts on Facebook for storytelling
Build a consistent brand presence across LinkedIn and Facebook with automated distribution
Manual Posting vs Automated Distribution
Manual Method
- ✗Upload the same video to Facebook after posting to LinkedIn
- ✗Copy and reformat captions for each platform
- ✗Constantly context-switch between apps
- ✗Risk forgetting to post to Facebook
- ✗Spend 10-15 minutes per post managing distribution
- ✗Miss peak posting times on Facebook
PostOnce Automation
- ✓Post to LinkedIn like normal—we handle Facebook
- ✓Captions automatically adapted for Facebook
- ✓Stay in your favorite platform's workflow
- ✓Every LinkedIn post automatically appears on Facebook
- ✓Set up once in under 60 seconds
- ✓Consistent posting schedule maintained automatically
Manual posting might work when you're just starting out, but as your content volume grows, automation becomes essential. The difference isn't just time saved—it's the ability to maintain a consistent multi-platform presence without burning out.
How to Set Up LinkedIn to Facebook Automation
Connect LinkedIn and Facebook
Link both social accounts to PostOnce using secure OAuth authorization.
LinkedIn uses standard OAuth and Facebook requires standard authorization. Both connect in seconds.
Configure your automation rules
Choose to crosspost everything or filter by hashtags, content type, or custom rules.
Your LinkedIn captions fit within Facebook's limits, so default settings work great.
Post on LinkedIn as usual
Create content on LinkedIn and PostOnce handles Facebook distribution.
Both platforms use 16:9 format, so your content transfers seamlessly.
Flexible Automation Options
Control exactly how your LinkedIn content gets distributed to Facebook with powerful automation rules.
Post Everything
Every LinkedIn post automatically goes to Facebook
Filter by Hashtag
Use specific hashtags to control what gets crossposted to Facebook
Custom Rules
Set advanced filters based on your LinkedIn to Facebook workflow needs
Most creators use hashtag filtering to maintain control over their crossposting workflow. For instance, you might want all your LinkedIn tutorials to go to Facebook, but keep personal content separate. Simply add a specific hashtag like #autopost to your LinkedIn caption, and only those posts will be distributed.
If you want to repurpose content from LinkedIn to Facebook, you can also customize how captions, formats, and media are adapted for each platform's unique audience and requirements.
What to Expect
Works Well
- ✓Photos and images work well on both platforms
- ✓Text-based posts work natively on both platforms
- ✓Both platforms prefer 16:9 video, so no reformatting needed
- ✓Captions fit within the destination's character limit without truncation
- ✓Links in posts are supported on both platforms
Needs Adaptation
- ~Hashtag strategy differs between LinkedIn and Facebook
- ~Carousels may need to be trimmed from 20 to 10 items
Doesn't Transfer
- ✗Most content elements transfer successfully
Known Limitations
- ⚠Carousels with more than 10 items will be truncated on Facebook
Frequently Asked Questions
Facebook supports videos up to 4 hours long, 10GB file size, in 16:9, 9:16, 1:1, 4:5 aspect ratios. Captions can be up to 63,206 characters. Your LinkedIn videos will fit within these limits.
Yes. PostOnce works with both personal and business accounts on both LinkedIn and Facebook. Connect via OAuth authorization—your credentials are never stored.
LinkedIn's peak engagement is 7-8 AM, 12 PM, 5-6 PM (weekdays), while Facebook's peak is 1-4 PM, 6-9 PM. PostOnce can publish to Facebook at optimal times regardless of when you post on LinkedIn.
3-5 industry-relevant hashtags recommended for reach. For Facebook: Hashtags have minimal impact; 1-2 relevant hashtags max. PostOnce lets you customize hashtag handling—keep them, remove them, or set platform-specific hashtag strategies.
PostOnce handles unlimited crossposting within your plan's limits. Every time you post on LinkedIn, it's automatically shared to Facebook—no per-post limits on automation.
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