Recs.
Updated
The free version of this browser add-on blocks ad scripts and other trackers, and lets you create multiple masked emails that all can be forwarded to the email address you sign up with. It is also a secure password creator and manager that will auto-fill your login details whenever you return to the sites you interact with.
The paid version also provides tools to mask your credit cards and phone number, as well as other great features that make Blur a unique all-in-1 product.
SpecsUpdate
Pros
Pro Unlimited masked email addresses, Pro version also masks credit card and phone numbers
Pro Blocks many online trackers without complex set-up
Easy-to-use widget controls tracker blocking options and remembers your choices for each site domain. You can disable all tracking blockers for the site you're viewing with just one click, or turn 1 blocker off at a time to fix sites that can't function without certain tracking scripts.