Here are the specifications for each social media platform you can post to from Optimal Blue's Social Cloud. The following specifications will help you create your posts and avoid any issues posting to the various social platforms.
  

Facebook
 
Image:
You can share up to 10 images in 1 post
10 MB max size
1200x630 max resolution


Recommended Image Size for posts—1200 x 630

Carousel: 1200 x 1200 minimum-600 x 315

Video:
Titles need to be 125 characters or less
1GB max
20 min max length
MP4
Videos to groups are no longer allowed per Meta's API
1080x1350 recommended size

Text/Caption:
For image and video posts, captions can be up to 63,000 characters
 For posts that share a link as the "media" of the post, captions can be up to 1000 characters 


Instagram
 
Image:
You can share up to 10 images in 1 post
Images should be 1080x1080px or 1080x1350px maximum, 1080x566px for horizontal content


Recommended Image Size for posts–width of 1080 pixels

Landscape: 1080 x 566 

Portrait: 1080 x 1350 

Square: 1080 x 1080 

Supported aspect ratios: Anywhere between 1.91:1 and 4:5

Video:
3 seconds minimum, 15 min maximum length
9:16 aspect ratio, 1920 maximum vertical, 1080 horizontal pixels max
1GB max
Maximum bitrate: We recommend 5 MB/second to avoid overloading Meta's servers, but they do accept up to 25 MB/second
MP4

Text:
2200 character maximum
30 hashtag limit
 Links will post, but will post as text (alternate is using "link in bio" on Instagram)


LinkedIn
 
Image:
1080x1080 resolution recommended
9 images max for 1 post


Recommended Image Size for posts—- 1200 x 627

Carousel: 1080 x 1080

Video:
10 minute max length
200 MB max
Title needs to be 400 characters or less
MP4

Text:
 3000 character maximum 

30 Hashtags maximum


Twitter
 
Image:
1600x900 resolution max
4 images per post max

Video:
2 min 20 second max length
512 MB max
1280x1024 resolution max
MP4

Text:
 280 character maximum 


Youtube
 
Image:
Not Allowed

Video:
512 MB max
MP4
100 character title max

Shorts:
 For your video to be posted as a YouTube Short, it must:

  •  
    1. Be 60 seconds or less
    2. Be in the vertical format with an aspect ratio of 9:16 and a resolution of 1080x1920 pixels

YouTube also categorizes square videos under 60 seconds as a Short:

  1. The aspect ratio must be 1:1 with a resolution of 1080 by 1080
  2. Due to the square cropping, the video will be posted with a black bar at the top and bottom
  3. The black bars at the bottom leave space for viewers to easily see the video title, channel name, and subscribe button, so use them at your discretion


Text:
15 hashtags max
 5000 character caption max 


Google Business Profile
 
Image:
 1 image per post max

Video:
30 seconds maximum length
 MP4

Text:
1500 character caption max
 Follow Google posting guidelines here
 

TikTok
 
Image: 
 
Not allowed

 
Video:
10 minute maximum
1080x1920 resolution max
MP4

Text:
 150-character limit for caption 


Pinterest
Image:
Only single image posts


Recommended Image Size for posts—- 1000 x 1500

For square posts(pins): 1000 x 1000


Video:
60 second max
1080x1920 resolution recommended
 Must be a business Pinterest account 


Text:
20 hashtag limit
Cannot replace the cover image when sharing an article as the "media" of the post
Cannot contain links in the caption
 Caption must be 500 characters or less