You can upload photos and videos to your Facebook and/or Instagram account directly from dropbox.com.
Account Requirements
You’ll need to connect your social media accounts in order to post content directly from your Dropbox account.
Instagram
To connect your Instagram account to Dropbox:
- You must have an Instagram business account. If you currently have a personal account, change your account type in your Instagram settings. You can revert back to a personal account at anytime.
- Confirm you have a Facebook Page linked to your Instagram business account.