Odoo

Step 1 - Install from the Chrome Web Store.

Goto: https://getaddress.io/chrome  

Step 2 - Right click on the 'Company' textbox and select 'Line 1'. This will enable autocomplete on the textbox.

Step 3 - Right click on the 'Address' textbox below and select 'GetAddress Autocomplete' > 'Line 2'.

Step 4 - Repeat Step 3 for the 'Postcode', 'City', 'Country' ect. textboxes.

Done! - When an address is selected, all textboxes will be populated.