look around on github. if you know how to deploy a python script onto a server Im sure you can find many. and if its php or js even easier to deploy. I could probably find some and post a link here if you want.
There are some that are actually pretty good, such as Skrapp Chrome extension, Email extractor, Lusha also has some free trials... you could try with them.
Email Extractor Pro Email Extractor Pro is a fully-featured email scraper that allows you to extract emails from different sources. It also allows you to search for emails on the website. It helps you to extract emails. This online email extractor tool allows scraping email from accounts. It's helpful to extract emails from the URL list. Helpful for scanning websites for emails. Supports PDF, Excel files, and word. It's helpful to extract emails from the Internet, Outlook, and local files.
I never thought that I would need it too, but when I started running my own business, I realized that I simply couldn't cope without it