Method 1: Using a Code to Invite All Friends
Go to your Page/Event.
Copy the following code without quotation marks:
Paste the code inside your address bar.
- This is where the URL of the event or page is currently, and press ENTER
Method 2: Using a Chrome Extension to Invite All Friends
Go to the Google Chrome web store.
- Select any Free Extension.
Click “Add” to download it to your Chrome browser.
Click “Invite Friends.”
- When the dialog box pops up, you have to click on your extension.”
Done ! :)