Every form that in Webflow has as action (webflow default) as in the following screen
Will be converted as a Netlify Form.
Netlify forms can be pretty expensive, the free tier has a low usage for free.If you don’t want to use Netlify Forms you have different options:
Select a third party forms provider from this list that has a lower pricing;
Create a function to deploy on Netlify;
For both options, you just have to set the correct action in your Webflow Form.