Quick answer

Three changes deliver 80% of the protection: (1) install a tracker-blocker extension (PrivacyGuard or Privacy Badger), (2) turn off Chrome's "Ad topics" and "Site-suggested ads," (3) switch DNS to a privacy-respecting provider (Cloudflare 1.1.1.1 or Quad9 9.9.9.9). Ten minutes, reversible, no app-compatibility breakage.

Step 1: Privacy and security settings

chrome://settings/privacy → turn on "Send a 'Do Not Track' request".
"Third-party cookies" → "Block third-party cookies."
"Ad privacy" → turn off Ad topics, Site-suggested ads, Ad measurement.
"Use secure DNS" → "With Cloudflare (1.1.1.1)" or "Quad9."

Step 2: Install a tracker-blocker extension

PrivacyGuard is our recommendation (Manifest V3, per-site Privacy Score). Privacy Badger and uBlock Origin Lite are equally good alternatives.

Step 3: Review site permissions

chrome://settings/content → revoke camera, microphone, location from sites that don't currently need them.

Step 4: Clean up extensions

chrome://extensions → remove anything you don't use. Extensions are the single biggest privacy risk on Chrome — many request broad permissions.

Step 5: Sync settings

If you use Chrome sync, go to chrome://settings/syncSetup → "Customise sync" → turn off "Sync everything," keep only bookmarks and passwords.

Step 6: Password manager

Use a dedicated password manager (1Password, Bitwarden) rather than Chrome's built-in one. More features, easier to move away from Chrome later.

Step 7: Consider a privacy-first browser for sensitive browsing

For banking, medical, and work-sensitive browsing, consider a separate profile or a privacy-first browser (Firefox with strict mode, Brave, Mullvad Browser). Keep Chrome for everyday.

How to Harden Chrome for Privacy in 10 Minutes (2026)