Types of media attachments you can include in posts

When scheduling posts, the options for including media will vary depending on the social network you're sharing to. The table below outlines the types of media you can include for each network, as well as how many images you're able to include.

  Link attachment Suggested media Image upload Video upload
Facebook ✓ (4) ✓ (4) ✓ (1)
Instagram   ✓ (*4) ✓ (*4) ✓ (1)
Twitter   ✓ (4) ✓ (4) ✓ (1)
LinkedIn ✓ (1) ✓ (1) ✓ (1)
Pinterest   ✓ (1) ✓ (1) ✓ (1)

* If you're scheduling an Instagram post on our iOS or Android app, you'll be able to include up to 10 images.

Link attachments

If you've included a link in your post, a link attachment will be automatically generated for Facebook and LinkedIn. Link attachments mirror what you would see if you were sharing a link natively to those social networks. If you prefer not to have the link displaying in the body of the post, you can remove it from the composer after the link attachment has been generated. 

It was previously possible to customize link attachments for Facebook, but in December 2017, Facebook withdrew support for the customization of all link attachments that were not your own. This means that if you are sharing a link to somebody else's blog or website, you will not be able to customize the link attachment. If you are sharing a link to your own blog or website, and you have set up Domain Verification through Facebook, you will be able to customize link attachments for Facebook Pages. Learn more about Facebook Domain Verification here.

Link attachments generated for LinkedIn can be customized, meaning you're able to modify the title, description, and image manually, if you wish.

Suggested media

If you would prefer not to use the link attachment, you can click Replace link attachment with image or video. We will then scrape the link you've included and pull in any images found on the page. You're then able to click on any of those images to include with your post.

For Facebook, Instagram, and Twitter, you're able to choose up to four images. For LinkedIn and Pinterest, you're currently only able to choose one image.

Please keep in mind when using the Suggested Media Feature that you are responsible for ensuring that you have the necessary licenses, rights, consent, and permissions to authorize Buffer to distribute your user content. For more information please see Section 8 of our Terms of Service.

Image and Video upload

In all cases, you will have the option to upload your own image or video.


For Facebook, Instagram, and Twitter, you're able to upload up to four images. For LinkedIn and Pinterest, you're currently only able to upload one image. We currently support JPG and PNG image files for all social networks, and additionally GIF files for Twitter and Pinterest.


Video size, length and file requirements, along with choosing a thumbnail and other important details for each social network can be found in this guide.


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