What is Passlit | Block AI Trackers?

Passlit detects every tracker following you in real time and removes your data from 4,000+ data brokers. Free for Chrome. Shield from $9.99/month.

Why Am I Getting Spam Calls? Data Brokers Sold Your Number

Spam calls are not random. Data brokers sold your phone number to telemarketers. Here is exactly how it happens and how to stop it.

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About — Passlit builds privacy tools that block trackers and remove your data from broker sites, cutting off the spam calls and ads they cause.
Contact — Questions about blocking trackers or data broker removal? Reach the Passlit team here.
Data Removal — Passlit recommends Optery for data broker removal, PCMag Editors' Choice for personal data removal 2022-2025, covering 630+ broker sites.
FAQ — Answers to common questions about blocking web trackers, removing your data from broker sites, and reducing spam calls with Passlit.
Glossary — English definitions of data brokers, web trackers, behavioral advertising, CCPA, GDPR, and every online privacy term.
Openbook — Passlit Openbook is a free browser extension that detects and blocks the trackers responsible for spam calls, junk email, and ads that follow you everywhere.
Privacy Score — Check your free privacy score in seconds and find out how many data brokers have your personal information exposed online.
Reports — Research and guides on data brokers, online trackers, AI surveillance, and how to stop the spam calls and ads they cause.
Shield — Shield blocks tracker domains, auto-clears your data every 30 min, and rejects cookie banners. In our testing, up to 40% faster page loads. $14.99/mo.
Support — Get help with the Passlit browser extension and Shield data removal service. Troubleshooting, account help, and contact options.
Splash Home
Reports / Best Privacy Extensions Chrome 2026 — The Chrome extensions that actually block trackers and protect your data in 2026. Ranked and tested.
Reports / Data Broker List — The 50 most active data broker sites collecting and selling your phone number and personal data to telemarketers and spammers.
Reports / Data Broker Statistics — How big is the data broker industry? How many companies have your data? The numbers behind a $330 billion problem.
Reports / Deleteme Vs Incogni Vs Optery — Real differences between DeleteMe, Incogni, and Optery on pricing, coverage, and reporting. An honest comparison before you choose a data removal service.
Reports / Do Trackers Slow Down Your Internet — Third party trackers add significant load time to every page you visit. Here is what the data shows.
Reports / How Ai Companies Use Your Browsing Data — AI tools are being trained on your browsing history. Here is exactly how it happens and how to stop it.
Reports / How Many Data Brokers Have Your Information — 98% of Americans appear on 35 or more data broker sites. Here is exactly how many companies have your data.
Reports / How Many Trackers Does Yahoo Finance Load — Yahoo Finance loads more trackers than almost any site on the web. Here is exactly what is running on every page.
Reports / How To Block Ai Tracking — AI companies collect your browsing data to train their models. Here is exactly how to stop them.
Reports / How To Opt Out Of Data Brokers — Step by step guide to removing your personal data from the most active data broker sites in 2026.
Reports / How To Remove Your Personal Data From Data Brokers — 4,000+ companies are selling your personal data right now. Here is exactly how to find them, what laws require deletion, and how to make them stop.
Reports / How To See Which Websites Are Tracking You — Use free browser tools to reveal every tracker loading in the background when you visit a site.
Reports / How To Stop Spam Calls — Spam calls come from data brokers selling your phone number. Here is how to remove it at the source and cut robocalls within 60 days.
Reports / How To Stop Website Trackers — A layered approach that actually works to block tracking scripts and stop companies following you across the web.
Reports / Is My Personal Information On The Internet — Your name, address, and phone number are likely already published online. Here is where to find it and how to remove it.
Reports / Most Tracked Websites 2026 — Which websites load the most trackers? A ranked breakdown of the most surveillance heavy sites on the internet.
Reports / Optery Review — Independent review of Optery's pricing, coverage, and PCMag Editors' Choice award. See what testers found before you sign up for data removal.
Reports / Top Data Removal Services — Side-by-side comparison of pricing, coverage, and proof of removal for the top data broker removal services. See what actually differs in 2026.
Reports / What Is A Data Broker — Data brokers collect and sell your personal data without consent. Here is what they hold, who buys it, and how to force deletion.
Reports / What Is Behavioral Advertising — Behavioral advertising tracks everything you do online to target you with ads. Here is how it works and how to block it.
Reports / What Is Chrome Privacy Sandbox — Google's Privacy Sandbox replaces third party cookies but still enables tracking. Here is what it means for your privacy.
Reports / Who Is Tracking Me Online — Google, Meta, ad networks, and hundreds of invisible companies are tracking you right now. Here is exactly who they are.
Reports / Why Am I Getting So Many Spam Calls — Spam calls are not random. Data brokers sold your phone number to telemarketers. Here is exactly how it happens and how to stop it.
Reports / Best Browser Privacy Tools 2026 — See the browser privacy extensions that still work after Chrome's Manifest V3 changes. Ranked, compared, and tested for real tracker blocking.