Is British healthcare free for foreigners?

They are entitled to free NHS services, including NHS hospital care, except for services for which a UK ordinary resident must also pay, such as dentistry and prescriptions in England, and assisted conception services. 31-Dec-2020

https://www.gov.uk/government/publications/how-the-nhs-charges-overseas-visitors-for-nhs-hospital-care/how-the-nhs-charges-overseas-visitors-for-nhs-hospital-care#:~:text=They%20are%20entitled%20to%20free,England%2C%20and%20assisted%20conception%20services.