UltraBlock: Ad Blocker & Web Security Tool

Key Features

• Almost every website uses services like ad networks, analytics or social media buttons.
• Popular websites even load over 50 of these external services in the background.
• They do this to profile and track you with the goal to improve conversions or to sell your profile.
• You, as a visitor, do not need these services for the website to load or a good browsing experience.
• They only slow you down and compromise your privacy.UltraBlock automatically blocks unnecessary services like ads, invisible trackers and third-party cookies.
• It shows what services are loaded in the background of the websites that you visit.
• UltraBlock makes websites load over 53% faster and keeps your privacy safe.Tracker DatabaseUltraBlock maintains a manually checked tracker database with 1.941 hostnames of external services.
• These services are categorized into Advertising, Analytics, Social and Essential.
• Services that are not necessary for a good browsing experience are marked as \'unnecessary\'.
• With this database UltraBlock automatically blocks ads and trackers that you do not need.
• UltraBlock shows you exactly what services are loaded in the background of the websites that you visit.
• Ultrablock protects your privacy in as many ways as possible.Protects your privacyIt starts by blocking content from services that are marked as \'unnecessary\' in the UltraBlock tracker database.
• This immediately cleans out over 80% of trackers only leaving unknown or new trackers.
• To make sure even these can not track you UltraBlock cleans up the third-party cookies and your browser cache after every website visit.
• And finally, to make it even harder for services to track you UltraBlock randomizes your user-agent for each website visit.Lightweight and super fastUltraBlock is a lightweight and super fast Chrome extension that runs quietly in the background.
• UltraBlock can be used by anyone who wants to make his browser run faster and more secure.

Technical Specifications

• **Publisher:** Ninble.com
• **License:** Freeware
• **Operating System:** Windows 7, Windows 8, Windows 10, Windows 11
• **Last Updated:** October 15, 2025
• **Category:** Internet / Online Privacy