Social Media Post Guidelines: Images, Videos, and Text
When scheduling social posts in Enrollio, each platform has specific requirements for images, videos, and text. Use this guide to ensure your content meets platform specifications and posts successfully every time.
Pro Tip: Start with these recommended image sizes for best results across platforms:
- Horizontal (landscape): 1,024 x 512 pixels
- Vertical (portrait): 800 x 1,200 pixels
Image Guidelines
Here's what each platform accepts for images:
| Platform | Post Type | File Types | Max Size | Aspect Ratio | Images per Post |
|---|---|---|---|---|---|
| Post | JPEG, PNG, GIF | 10 MB | Any | Up to 10 (recommended) | |
| Story | JPEG, PNG, GIF | 4 MB | Any | 1 | |
| Post | JPEG, PNG | 8 MB | Between 4:5 and 1.91:1 | Up to 10 | |
| Story | JPEG | 8 MB | — | Up to 10 | |
| Post | JPEG, PNG, GIF | 8 MB | Max 6012 x 6012 px | Up to 9 | |
| Carousel (PDF) | JPEG, PNG, GIF | 10 MB | — | Up to 300 | |
| Google Business Profile | Post | JPEG, PNG | 5 MB | Min 250 x 250 px Max 3000 x 3000 px |
1 |
| Pin | JPEG, PNG, BMP, TIFF, WEBP | 10 MB | — | 1 | |
| Threads | Post | JPEG, PNG | 8 MB | 0.01:1 to 10:1 | Up to 20 |
| Bluesky | Post | JPEG, PNG | 1 MB | Standard web resolution | 1 |
Note: Facebook Reels, Instagram Reels, YouTube Shorts, YouTube Video, TikTok Personal, and TikTok Business do not support image-only posts.
Video Guidelines
Each platform has different requirements for video format, size, and duration:
| Platform | Post Type | File Types | Max Size | Duration | Videos per Post | Thumbnail Support |
|---|---|---|---|---|---|---|
| Post | All formats | 1 GB | Min 1 sec, Max 240 min | Up to 10 (recommended) | Yes (All types, 10 MB) | |
| Reel | All formats | 1 GB (Min 540 x 960 px) | Min 3 sec, Max 90 sec | 1 | No | |
| Story | All formats | 1 GB (Min 540 x 960 px) | Min 3 sec, Max 60 sec | 1 | No | |
| Post | MOV, MP4 | 100 MB (Width 1920 px) | Min 3 sec, Max 60 sec | Up to 10 | No | |
| Reel | — | 300 MB | Min 3 sec, Max 15 min | 1 | Yes (All types, 8 MB) | |
| Story | MOV, MP4 | 100 MB | Min 3 sec, Max 60 sec | Up to 10 | No | |
| YouTube | Shorts | — | — | Max 60 sec | 1 | — |
| YouTube | Video | — | Max 256 GB | Max 12 hours | 1 | — |
| Post | MOV, MP4 | 500 MB | Min 3 sec, Max 30 min | Up to 9 | Yes (JPEG, PNG, 10 MB) | |
| TikTok | Personal | MOV, MP4, WebM | Max 1 GB Min/Max WxH 360–4096 px FPS 23–60 |
Min 3 sec, Max 180 sec | 1 | No |
| TikTok | Business | MOV, MP4, WebM | Max 1 GB Min WxH 360 px FPS 23–60 |
Min 3 sec, Max 600 sec | 1 | No |
| Pin | MP4 or M4V H.264/H.265 Aspect 9:16, 1:2, 2:3, 3:4, 4:5, 1:1 |
Up to 2 GB (platform limit 1 GB) | Min 4 sec, Max 5 min | 1 | Yes (JPEG, PNG, 10 MB) | |
| Threads | Post | MP4, MOV | 1 GB | Up to 5 min | Up to 20 (can mix with images) | No |
| Bluesky | Post | MP4, MOV | 50 MB Recommended 480p–720p |
Up to 3 min | 1 (cannot mix with images) | No |
YouTube Shorts Tips:
- Must be 60 seconds or less
- Vertical 9:16 aspect ratio recommended
- Videos wider than 9:16 may be cropped
- Include #Shorts in your description
Note: Google Business Profile and LinkedIn Carousel (PDF) do not support video posts.
Text Length Limits
Keep your captions within these character limits for each platform:
| Platform | Post Type | Character Limit |
|---|---|---|
| Post, Reel, Story | 62,000 characters | |
| Post, Reel | 2,200 characters | |
| Story | 0 characters | |
| YouTube | Shorts, Video | 5,000 characters |
| Post, Carousel | 3,000 characters | |
| TikTok | Personal | 150 characters |
| TikTok | Business | 2,200 characters |
| Google Business Profile | Post | 1,500 characters |
| Title | 100 characters | |
| Description | 500 characters | |
| Threads | Post | 500 characters |
| Bluesky | Post | 300 characters |
Social Posting Rate Limits
To prevent issues with your accounts, Enrollio enforces these posting limits per 24-hour period:
- Google Business Profile: 100 posts / 24 hours
- Facebook Posts: 200 posts / 1 hour
- Facebook Reels: 30 posts / 24 hours
- Instagram: 25 posts / 24 hours
- LinkedIn: 200 posts / 24 hours
- TikTok: 15 posts / 24 hours
- YouTube: 25 posts / 24 hours
- YouTube Global: 2,000 posts / 24 hours
- Pinterest: 25 posts / 5 minutes
These limits are set by each platform to protect against spam and apply to each connected account.
Additional Platform Features
Some platforms support extra features when posting from Enrollio:
| Platform | Post Type | Link Preview | Requires Media | Mix Images + Videos |
|---|---|---|---|---|
| Post | Yes | No | No | |
| Reel | No | Yes | No | |
| Story | No | Yes | No | |
| Post | No | Yes | Yes | |
| Reel | No | Yes | No | |
| Story | Yes | No | No | |
| YouTube | Shorts | Max 60 sec | No | No |
| YouTube | Video | Max 12 hours | No | No |
| Post | Yes | No | No | |
| Carousel | Yes | Yes | No | |
| TikTok | Personal | No | Yes | No |
| TikTok | Business | No | Yes | No |
| Google Business Profile | Post | Yes | No | No |
| Pin | No | Yes | No |
Important: Link previews are not available on Instagram, TikTok, or YouTube. When you include a URL in posts to these platforms, it will appear as plain text.
What This Means for Your Childcare Center
Most childcare centers find success posting:
- Facebook: Photos of daily activities, parent testimonials, and enrollment info
- Instagram: Short Reels showcasing your facility, staff introductions, and behind-the-scenes moments
- Google Business Profile: Updates about availability, tours, and special events
Experiment with different image sizes and formats to see what resonates with your community. The guidelines above ensure your content meets platform requirements every time.
