5 Browser Settings You Must Change to Protect Your Privacy

5 Browser Settings You Must Change to Protect Your Privacy

Your browser follows you around the web. It records which sites you visit, what you click, where you’re located, and often shares that data with advertisers and data brokers. Recent privacy scandals and increasing scrutiny on browser data collection have made it clear: the default settings in Chrome, Firefox, and Edge are not designed to protect you. But you don’t need to switch to a niche privacy browser to regain control.

Below are five settings you can adjust right now. They stop the most invasive data collection without breaking the sites you use every day. Instructions are given for Chrome, Firefox, and Edge. Where trade-offs exist—usually convenience versus privacy—they are noted.

Why your browser knows too much about you

Every time you load a page, your browser sends information about your system, your browsing history, and often your real location. Third-party cookies allow companies to build a profile of your interests across different websites. Search suggestions send your keystrokes to the search engine before you hit Enter. Browser sync services may store your tabs and passwords on company servers.

The good news is that most of this can be limited with a few clicks. The following changes are ordered from most impactful to least, but even making the first two will halve the amount of tracking you face.

What you can do: five settings to change

1. Disable third‑party cookies

Third‑party cookies are the main tool advertisers use to track you across the web. Blocking them stops most cross‑site tracking, though some sites may break (paywalls or social share buttons often rely on them).

• Chrome: Go to Settings → Privacy and security → Third‑party cookies → select “Block third‑party cookies”. Chrome is phasing out third‑party cookies entirely, so this setting may soon become unnecessary, but it’s still effective for now.
• Firefox: Settings → Privacy & Security → Enhanced Tracking Protection → choose “Strict”. This blocks third‑party cookies and other trackers. If a site breaks, switch to “Standard” or add an exception.
• Edge: Settings → Cookies and site permissions → Manage and delete cookies → toggle “Block third‑party cookies” on. Edge also has a “Strict” tracking prevention mode under Privacy, search, and services.

Note: Firefox’s Enhanced Tracking Protection already blocks many third‑party cookies by default, so you may already be covered. Chrome and Edge require manual action.

2. Turn off “Do Not Track” and enable Global Privacy Control

“Do Not Track” (DNT) is a browser signal that websites can choose to ignore—and most do. It is largely ineffective. A newer, stronger signal is Global Privacy Control (GPC), which legally requires websites to respect your opt‑out of selling or sharing your data in jurisdictions with privacy laws (like California, the EU, and others).

• Chrome: DNT is hidden in chrome://settings/content/doNotTrack. Better: install an extension like “Global Privacy Control” to send the GPC signal.
• Firefox: Settings → Privacy & Security → Send websites a “Do Not Track” signal → choose “Always”. Firefox also supports GPC natively starting with version 120; enable it under Privacy & Security → “Tell websites not to sell or share my data”.
• Edge: Settings → Privacy, search, and services → turn on “Send Do Not Track requests”. No native GPC support, but the same extension works.

Verdict: DNT is mostly a placebo. If you can enable GPC, do it. Otherwise, blocking third‑party cookies (setting 1) is more effective.

3. Block location tracking and other site permissions

Many websites ask for your location, camera, or microphone when they don’t really need them. Granting these permissions can leak your physical location or allow sites to eavesdrop.

• All browsers: Go to Settings → Site permissions (or Privacy & Security → Permissions in Firefox). Set Location, Camera, Microphone, and Notifications to “Block” or “Ask (default deny)”. You can later allow individual trusted sites.

Be aware that some map services (like Google Maps) need location to work properly. You can still grant them on a case‑by‑case basis.

4. Disable on‑device search suggestions and sync data collection

When you type in the address bar, Chrome and Edge send each keystroke to the default search engine to predict what you’re looking for. This is not private: it reveals partial search terms and your IP address. Similarly, browser sync stores your open tabs, passwords, and history on company servers (even if encrypted with your account password).

• Chrome: Settings → You and Google → Sync and Google services → turn off “Autocomplete searches and URLs”. Also review “Other Google services” and disable services you don’t use.
• Firefox: Settings → Search → uncheck “Provide search suggestions”. Also: Settings → Privacy & Security → Firefox Data Collection and Use → uncheck everything.
• Edge: Settings → Privacy, search, and services → under Services, turn off “Show suggestions from Microsoft…”. Also disable “Sync” under Profiles → Sync if you don’t need it.

Trade‑off: Losing search suggestions may slow you down slightly. You can still use the search engine manually. Sync is convenient for multiple devices; consider whether the convenience is worth the data exposure.

5. Use a privacy‑focused search engine and disable autofill for sensitive data

Your default search engine likely tracks your queries. Switching to DuckDuckGo, Startpage, or Brave Search stops that tracking. Additionally, your browser’s autofill saves credit card numbers and passwords in cleartext on your device (and sometimes syncs them). If your device is compromised, those details are exposed.

• All browsers: Change the default search engine in Settings → Search engine → choose DuckDuckGo or another privacy engine.
• Disable payment autofill: Chrome: Settings → Autofill → Payment method → toggle off “Save and fill payment methods”. Firefox: Settings → Autofill → uncheck “Save and fill payment methods”. Edge: Settings → Profiles → Payment info → off.
• Password manager: Consider using a dedicated password manager (like Bitwarden or KeePass) instead of the browser’s built‑in one, as they offer better encryption and don’t sync to the browser vendor’s servers.

Bonus: Add a lightweight privacy extension

Even after the above changes, some trackers slip through. A simple extension like uBlock Origin (free, open source) blocks ads, trackers, and malicious scripts without slowing your browser. Privacy Badger (from the EFF) learns which trackers are tracking you and blocks them automatically. Both work on all three browsers and require no configuration.

Small changes, big privacy wins

None of these adjustments will break your browsing experience, though you may need to whitelist an occasional site. The key is that the default settings in mainstream browsers are optimised for data collection, not for your privacy. By flipping a few switches, you can cut the amount of data you leak by 80% or more—without switching browsers, without installing a dozen extensions, and without any technical expertise.

Try the first two settings today and see if you notice any difference. Most people don’t.

Sources

• PCWorld: “Your browser is too nosy. Change these 5 settings now” (June 2026) – inspiration for this guide.
• Mozilla Firefox Support: “Enhanced Tracking Protection” and “Global Privacy Control” documentation.
• Google Chrome Help: “Third‑party cookies” and “Privacy and security settings”.
• Microsoft Edge: “Tracking prevention in Microsoft Edge” and “Privacy settings”.
• Electronic Frontier Foundation: “Privacy Badger” and “Global Privacy Control” overview.