So this is gonna be fast:
- Copy gif or video url (if hosted in Giphy, jump to step 5)
- Go to giphy.com and click on Create
- Paste gif/video url or upload it from your device.
- Choose length, complete the editing, add tags and source and create your new gif.
- Click on "Copy link" and copy "GIF Link"
- Go to https://developers.facebook.com/tools/debug/
- Paste that url
- Click on "Debug"
- Click on "Scrape new information" or "Scrape again"
- You're ready to share that direct link on a facebook post, you should see the GIF circle to play it: