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Posting Content on Stack: Image, Video, and Text Guidelines

When planning your content marketing campaign, understanding the optimal formats and frequencies for images and videos is crucial. Here’s a guide to the best practices for sharing content on various social media platforms via Stack.

Image Guidelines​

Facebook​

  • Post Text Limit: 62,000 characters
  • Supported Image Formats: JPEG, PNG, GIF
  • Max Image Size: 10 MB
  • Recommended Images per Post: Up to 10

Instagram​

  • Post Text Limit: 2,200 characters
  • Supported Image Formats: JPEG, PNG
  • Max Image Size: 8 MB
  • Image Dimensions: Aspect ratio between 4:5 and 1.91:1
  • Recommended Images per Post: Up to 10

Google Business Profile​

  • Post Text Limit: 1,500 characters
  • Supported Image Formats: JPEG, PNG
  • Image Dimensions: Min 720px x 720px, Max 3000px x 3000px
  • Images per Post: 1

LinkedIn​

  • Post Text Limit: 3,000 characters
  • Supported Image Formats: JPEG, PNG, GIF
  • Max Image Size: 8 MB
  • Max Dimensions: 6012px x 6012px
  • Images per Post: 9

Pinterest​

  • Post Text Limit: 500 characters
  • Supported Image Formats: JPEG, PNG, BMP, TIFF, WEBP
  • Max Image Size: 10 MB
  • Images per Post: 1

Video Guidelines​

Facebook​

  • Post Text Limit: 62,000 characters
  • Supported Video Formats: All
  • Max Video Size: 1 GB
  • Video Duration: Min 1 second, Max 240 minutes
  • Recommended Videos per Post: Up to 10

Instagram​

  • Post Text Limit: 2,200 characters
  • Supported Video Formats: MOV, MP4
  • Max Video Size: 100 MB
  • Video Duration: Min 3 seconds, Max 60 seconds
  • Recommended Videos per Post: Up to 10

TikTok​

  • Personal Account Text Limit: 150 characters
  • Business Account Text Limit: 2,200 characters
  • Supported Video Formats: MOV, MP4, WebM
  • Max Video Size: 1 GB
  • Video Duration: Min 3 seconds, Max 180 seconds

YouTube Shorts​

  • Post Text Limit: 5,000 characters
  • Supported Video Formats: All
  • Max Video Duration: 60 seconds
  • Aspect Ratio: 9:16

Additional Notes​

  • Multimedia Posts: You can combine images and videos in a single post to enhance engagement.
  • Experimentation: Try different image and video formats to discover what resonates best with your audience.
  • Horizontal and Vertical Sizes: Default recommended sizes are 1,024px x 512px for horizontal and 800px x 1,200px for vertical images.

Platform Rate Limits​

  • Google: 300 requests per minute
  • Facebook: 200 requests per hour
  • Instagram: 200 requests per hour
  • TikTok: 15 requests per day
  • LinkedIn: 150 requests per day
  • Pinterest: 100 pins per minute

By following these guidelines, you can ensure that your content is optimized for each platform, maximizing engagement and reach.