DuckDuckGo Search Engine: How It Works and How to Make It Default

The DuckDuckGo search engine has one job it’s built its whole reputation on: answering your searches without building a profile of who you are. It shows up in two forms, which trips a lot of people up. You can set it as the default search engine inside a browser you already use, like Chrome or Firefox, or you can install DuckDuckGo’s own standalone browser app and replace the browser entirely. This guide covers what DuckDuckGo actually does, how the two options differ, and exactly how to switch your default to it on every major browser, plus what to do with your open tabs before you make any browser change at all. Most people land here after typing “duck duck go search engine” into another engine, not quite sure whether they’re looking for a new search engine, a new browser, or both — the difference matters, and the rest of this guide walks through each piece in order.

What Is the DuckDuckGo Search Engine?

DuckDuckGo is a search engine built around a single stated commitment: it says it never tracks you, per its own privacy policy. That’s the whole pitch, and it shapes everything else about the product.

DuckDuckGo offers its search engine two ways: as a default-search option you can select inside another browser’s settings, or bundled into its own standalone browser apps. DuckDuckGo’s help pages publish dedicated “set as default” guides for a long list of browsers, including Chrome, Safari, Firefox, Edge, Opera, Brave, Vivaldi, Samsung Internet, and UC Browser, which tells you this is a deliberately supported, well-documented switch rather than a workaround.

That flexibility is deliberate. DuckDuckGo doesn’t require you to abandon a browser you already know just to get its search results, and it doesn’t quietly bundle the two together either — changing your search engine setting never installs a new app, and installing the app never changes settings in your existing browser without you asking it to. Each is a separate decision with its own separate switch, and you can make either one without touching the other.

Is DuckDuckGo Actually Private?

Yes, based on DuckDuckGo’s own published claims: it states it never tracks you, and that your search terms are never included in the referrer header sent to sites you click through to from results. Both claims come directly from DuckDuckGo’s help documentation rather than a third party.

The referrer-header point matters more than it sounds. When you click a search result on many search engines, the site you land on can see what you searched for, because that data rides along in a browser header. DuckDuckGo’s stated behavior strips that out, meaning the destination site doesn’t learn your query just from the click (duckduckgo.com/duckduckgo-help-pages/privacy/no-tracking).

Think about what that prevents in practice. If you search for a product, a medical question, or anything you’d rather not have logged next to your identity, the site you land on doesn’t get handed that query as a side effect of the click itself. That’s a narrower promise than blocking every form of tracking across the internet (it only covers what happens on DuckDuckGo’s own results page) but it’s a specific, checkable behavior rather than a vague marketing line.

DuckDuckGo does still run ads, and it’s upfront about that. It states “viewing ads on DuckDuckGo is anonymous,” pointing to a commitment from its search-ad partner not to associate ad clicks with a user profile (duckduckgo.com/duckduckgo-help-pages/privacy/web-tracking-protections).

Is DuckDuckGo a Search Engine or a Browser?

It’s genuinely both, and DuckDuckGo treats them as related but separate products. The search engine can live inside any browser you already use; the standalone browser app is a full replacement for that browser.

DuckDuckGo’s own help pages describe offering “its search engine as a default-search option inside other browsers,” which is the lighter-weight path most people start with. Separately, DuckDuckGo “publishes standalone browser apps for Mac, Windows, iPhone/iPad, and Android,” which is the heavier commitment — a whole new browser, with its own tabs, history, and settings, sitting apart from whatever you were using before (duckduckgo.com/duckduckgo-help-pages/).

This distinction explains most of the confusion people run into when searching for “duck duck go search engine.” If what you want is DuckDuckGo results without changing browsers, you want the search-engine setting, not a new app install. If you want a browser that blocks trackers by default on every site, not just inside search, the standalone app is the one built for that.

A useful shortcut: if you’re typing a search into an address bar inside a browser you already trust, you want the search-engine setting. If you’re downloading something from an app store or DuckDuckGo’s own site that adds a new icon to your desktop or home screen, you’re getting the browser. Both end up showing you DuckDuckGo results, but only one of them touches everything else about how you browse.

What Does the DuckDuckGo Browser Do Differently?

The DuckDuckGo browser app adds protections across your whole browsing session, not just at the moment you search. On Mac, DuckDuckGo describes it as offering “privacy protection built-in, including our search engine that replaces Google and doesn’t track your search history, plus tracker blocking, increased encryption, Email Protection, and more” (duckduckgo.com/duckduckgo-help-pages/get-duckduckgo/get-duckduckgo-browser-on-mac).

There’s a real difference between the direct download and the Mac App Store version worth knowing before you pick one. Both need macOS 12.3 or later, but the App Store build lacks Bitwarden integration and can’t access local files, according to DuckDuckGo’s own help page.

That gap matters if you rely on a password manager or need the browser to open files saved on your computer. Bitwarden integration means autofill inside the browser itself instead of copying and pasting credentials, and local file access means you can open a PDF or HTML file straight from your Downloads folder without exporting it elsewhere first. Skip those two, and the App Store version still handles regular browsing and search fine. You’re just trading a little convenience for whatever App Store distribution buys you.

On iOS, DuckDuckGo’s browser app similarly doesn’t track search history and adds tracker blocking, “increased encryption” through HTTPS upgrading, and Email Protection, per DuckDuckGo’s mobile help documentation (duckduckgo.com/duckduckgo-help-pages/mobile/ios).

How Do I Make DuckDuckGo My Default Search Engine in Chrome?

You change it inside Chrome’s own settings, no extension or new app required. This is the fastest way to try DuckDuckGo without committing to a whole new browser.

This path is confirmed both by Google’s own Chrome support documentation and by DuckDuckGo’s dedicated Chrome guide, which point to the same Settings > Search engine screen (duckduckgo.com/duckduckgo-help-pages/change-default-search-engine/google-chrome). On Chrome for Android, the same setting lives at More > Settings, under “Basics,” labeled “Search engine.” On Chrome for iOS, it’s under the three-dot menu, then Settings, then “Search Engine.”

It’s worth doing this as a real test before deciding whether you like DuckDuckGo results for your particular searches. Some queries, especially local business lookups or shopping comparisons, can look noticeably different between engines because each one ranks and sources results its own way. A few days of real searches tells you more than reading about the switch ever will.

Nothing about this changes what browser you’re using or what tabs you have open. It’s purely a search-results swap, reversible in the same handful of clicks whenever you want to switch back.

How Do I Make DuckDuckGo Default in Edge, Safari, and Firefox?

Each browser has its own settings screen for this, and DuckDuckGo publishes an official step-by-step guide for each one. Here’s where to look in every major browser besides Chrome.

These paths come directly from DuckDuckGo’s own official change-default-search-engine guides for each browser (duckduckgo.com/duckduckgo-help-pages/change-default-search-engine/edge). Vivaldi, Brave, and Opera get their own dedicated DuckDuckGo guides too, since all three are built on the same Chromium engine as Chrome and Edge and handle search-engine settings in a similar location.

If you manage more than one device, expect to repeat this setting on each one separately. A search-engine default set on your laptop in Edge doesn’t carry over to your phone’s Edge app or to Safari on your tablet; each installation reads its own local setting rather than a synced default covering every browser you own. Budget a few minutes per device if you’re switching across a full household or work setup.

What Are the Trade-offs of Switching to DuckDuckGo?

The main trade-off is personalization, not privacy risk. Because DuckDuckGo states it doesn’t track your search history, it also isn’t building a profile of your past searches to shape future results the way a tracking-based engine can.

For some people that’s the entire appeal — results that don’t shift based on what you clicked last week, and no sense of being followed around the web by an ad you searched for once. For others, it means losing the convenience of a search engine that “remembers” context from your recent activity, since DuckDuckGo isn’t using that kind of history by design.

There’s also a middle ground some people land on without going all-in on one engine: sticking with a familiar tracking-based engine for shopping or local searches where personalization feels useful, and reaching for DuckDuckGo specifically for anything they’d rather not have logged at all, like health questions or anything tied to something they haven’t told anyone about yet. Switching your default doesn’t stop you from typing a competing engine’s address directly into the bar for one particular search when you want it.

A smaller, practical trade-off shows up too if you go all the way to the standalone browser app rather than just the search-engine setting: you’re managing a second (or third) browser, with its own bookmarks, extensions, and open tabs, separate from whatever you already use for work accounts, saved logins, or synced settings elsewhere. That’s not a downside unique to DuckDuckGo (it’s true of adding any new browser to your routine) but it’s worth going in with eyes open rather than assuming everything carries over.

None of this is an argument against trying it. Changing a default search engine costs you a few clicks and is fully reversible. Adopting a whole new browser is a bigger decision, and it’s fine to test the search engine alone first before deciding whether the full app is worth the switch.

Does Switching to DuckDuckGo Affect My Open Tabs and Bookmarks?

No, not directly, but it’s still worth planning around. Changing your default search engine has zero effect on your open tabs or bookmarks; it only changes what answers queries in the address bar. Installing the standalone DuckDuckGo browser app is a different story: it’s a separate application with its own tab bar, and it starts empty.

This is the same pattern you’ll run into with any default-browser or default-search change, and it’s easy to underestimate how much sits in open tabs specifically. Bookmarks tend to get backed up because people remember to export them occasionally. Open tabs almost never do, and they’re often the thing with the most time-sensitive value: a form you were filling out, three tabs comparing prices, research you haven’t written down anywhere else yet.

This is exactly the gap a lot of people discover the hard way, usually mid-project: they finally decide to try a new browser, close out of the old one out of habit, and only then realize the eleven tabs they had open for something due that afternoon weren’t bookmarked anywhere. Bookmarks are a conscious save. Open tabs are a running list of “I’ll get back to this,” and nothing about switching your default search engine or adding a new browser app protects that list automatically.

If you’re planning to try the DuckDuckGo browser app alongside Chrome, Edge, Firefox, Brave, or Vivaldi rather than replacing them outright, that’s the lower-risk approach. You keep your existing browser and its tabs exactly as they are, and use DuckDuckGo’s browser as a separate, privacy-focused space for specific browsing. See /browsers/chrome/, /browsers/firefox/, /browsers/edge/, /browsers/brave/, and /browsers/vivaldi/ for how each of those handles its own settings and sync.

How Do I Protect My Tabs Before Trying the DuckDuckGo Browser?

You save your current tabs as a named session before you install anything new, so nothing depends on remembering to bookmark everything first. This is the same habit worth building whenever you’re adding, switching, or reinstalling a browser, not just for DuckDuckGo specifically.

BelayTab is a free extension that saves your open windows as sessions you can restore later, in the browser you’re already using. There’s no account requirement and no cap on how many sessions or tabs you save.

This whole process takes under a minute and doesn’t require closing anything first. You can leave every tab exactly where it is, save the session in the background, and then go install or test whatever you’re curious about with the safety net already in place, rather than trying to remember to do it after the fact, which is usually when it gets skipped.

BelayTab also saves a snapshot of every open window on its own every five minutes and whenever a window closes, so even tabs you never manually saved have a recent backup sitting in the Recovery screen alongside your deleted sessions and your browser’s own recently closed windows — see /help/recovery-screen/ and /help/automatic-snapshots/. It works across Chrome, Edge, Brave, Opera, Vivaldi, Arc and Firefox, plus Safari on Mac.

None of this changes your default search engine or browser for you. That’s still a setting you control directly, following the steps earlier in this guide. What BelayTab does is remove the one real risk in trying something new: losing tabs you hadn’t saved anywhere else. Get it free at /download/, and if you ever want your saved tabs available across more than one browser or machine, the optional Sync feature covers that too. For the flip side of this topic (making Google Chrome your default browser rather than switching away from it) see our guide on how to set Google as your default browser.