# UltraBlock

> UltraBlock is a free browser extension that blocks ads, hidden trackers, and third-party cookies. It operates entirely within your browser, making websites load faster while protecting your privacy without collecting any personal data.

Available for Chrome, Firefox, and Microsoft Edge. The extension maintains a database of 1,723+ tracker hostnames and has been protecting users since 2015.

Important notes:

- All ad detection and blocking happen locally in your browser
- No personal data collection or external transmission
- Optional data sharing to help improve tracker detection database
- GDPR compliant and legally permitted in all jurisdictions
- Rated 4.2/5 on Chrome Web Store

## Installation

- [Chrome Web Store](https://chrome.google.com/webstore/detail/ultrablock/ijnodnmgpgmgaajhagolfiemmmamfcgb): Install UltraBlock for Google Chrome
- [Microsoft Edge Add-ons](https://microsoftedge.microsoft.com/addons/detail/ultrablock-privacybesch/lcohocmebkndjboepljjajkmkceooegb): Install UltraBlock for Microsoft Edge
- [Firefox Add-ons](https://addons.mozilla.org/firefox/addon/ultrablock-privacy-adblock/): Install UltraBlock for Mozilla Firefox

## Core Features

- [About](https://ultrablock.org/about/): Overview of UltraBlock features including ad blocking, tracker identification, cookie removal, and privacy protection
- [Statistics](https://ultrablock.org/statistics/): Real-time statistics showing total installations, trackers identified, and services blocked

## Legal & Privacy

- [Privacy Policy](https://ultrablock.org/privacy-policy/): How UltraBlock collects, stores, uses and distributes information
- [Terms of Service](https://ultrablock.org/terms-of-service/): Terms governing the use of UltraBlock services
- [GDPR](https://ultrablock.org/gdpr/): General Data Protection Regulation compliance and data collection information

## FAQ

- [Frequently Asked Questions](https://ultrablock.org/#faq): Common questions about adblocker safety, legality, functionality, privacy, and performance

## Optional

- [Contact](https://ultrablock.org/contact/): Get in touch with the UltraBlock team at Ninble B.V., located in Groningen, Netherlands