Facebook Extend Access Token to 60 Days

  1. Generate access token using GRAPH API Explorer.
  2. Go to https://developers.facebook.com/tools/debug/accesstoken
  3. Paste the short life access token. Click Debug.
  4. Click Extend Access Token button.
  5. Copy the new long life access token. That’s it!

There is no way to extend to never-expiring. Even using cron.