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Firefox for Android is the clearest starting point if you want a documented extension catalog and an in-browser manager. Samsung Internet offers a separate, curated add-on route through Galaxy Store. Quetta says its Android browser can access the Chrome Web Store and Microsoft Edge Add-ons, but access to a catalog does not guarantee that a particular desktop extension works on mobile.

There is no evidence-based winner for speed, privacy, or reliability across these options. Choose based on the exact extension you need, confirm that it works in the Android browser you plan to use, and check its permissions and update behavior.

What “extension support” means on Android

Android browsers do not all support extensions in the same way. A browser may provide an Android-specific catalog, a curated store of its own add-ons, or a way to open a desktop extension catalog. Those are different capabilities: seeing an extension in a store is not proof that it will install, behave correctly, or receive updates in that browser on Android.

For your decision, the important question is not which browser has the largest apparent catalog. It is whether your must-have extension is available for that browser and Android version, and whether its permissions and maintenance meet your needs.

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#1 Best Overall
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Samsung Galaxy A17 5G Smart Phone 128GB US 1 Yr Manufacturer Warranty Black
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Which Android browser should you consider?

Your priority Browser or route What is documented What to verify
Android-specific catalog and in-app management Firefox for Android Mozilla documents installing extensions from its Android catalog or through the browser’s Extensions menu, and managing installed extensions there. Mozilla cautions that some add-ons may not be compatible with Firefox for Android. Check that the exact add-on is listed for Android.
Samsung’s own add-on ecosystem Samsung Internet Samsung documents a “Get more Add-ons” route that opens Galaxy Store to browse extensions for Samsung Internet. This documents Samsung Internet’s add-on path, not general compatibility with Chrome Web Store extensions.
Access to Chrome Web Store or Edge Add-ons Quetta Browser Quetta’s 2026 vendor guide says its Android browser can access both catalogs. That is a vendor claim about catalog access, not a guarantee that every extension works on mobile or with Quetta’s browser APIs.
Other Chromium-style options to investigate Yandex Browser and Lemur Browser A 2026 comparison includes them among browsers with extension capability. Current primary documentation for their installation flows and exact compatibility was not established. Verify support in the current app before relying on a specific extension.

Firefox for Android: the most clearly documented workflow

Mozilla’s Firefox for Android installation guide explains how to find and install add-ons from the browser or Mozilla’s Android add-on catalog. Mozilla also says, “Some add-ons extensions may not be compatible with Firefox for Android.” Treat the catalog entry for the exact extension—not the fact that Firefox supports extensions generally—as the compatibility check.

Samsung Internet: extensions through Galaxy Store

Samsung’s Samsung Internet Extensions guide says that, starting with Samsung Internet v11.0 and Android M (API level 2x), the browser exposes a “Get more Add-ons” menu to open Galaxy Store and browse extensions for Samsung Internet. Samsung’s installation instructions cover phones and tablets. These version details come from Samsung’s documentation; the menu and available add-ons may differ in the version currently installed.

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Quetta: store access is not a compatibility guarantee

Quetta’s 2026 guide to Android extension support claims access to both the Chrome Web Store and Microsoft Edge Add-ons. This can be useful if the extension you want is in one of those catalogs, but it does not establish that the extension will run correctly on Android. Check it in Quetta and test its important functions before making it part of your everyday setup.

Yandex and Lemur: verify before depending on a specific add-on

Yandex Browser and Lemur Browser appear in a 2026 comparison as Android browsers with extension capability, but current primary documentation establishing their exact installation paths and compatibility was not available. Treat them as options to investigate rather than assuming a desktop extension will work.

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Rank #3
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Samsung Galaxy A17 5G Smart Phone 128GB, US 1 Yr Manufacturer Warranty Blue
  • YOUR CONTENT, SUPER SMOOTH: The ultra-clear 6.7" FHD+ Super AMOLED display of Galaxy A17 5G helps bring your content to life, whether you're scrolling through recipes or video chatting with loved ones.¹
  • LIVE FAST. CHARGE FASTER: Focus more on the moment and less on your battery percentage with Galaxy A17 5G. Super Fast Charging powers up your battery so you can get back to life sooner.²
  • MEMORIES MADE PICTURE PERFECT: Capture every angle in stunning clarity, from wide family photos to close-ups of friends, with the triple-lens camera on Galaxy A17 5G.
  • NEED MORE STORAGE? WE HAVE YOU COVERED: With an improved 2TB of expandable storage, Galaxy A17 5G makes it easy to keep cherished photos, videos and important files readily accessible whenever you need them.³
  • BUILT TO LAST: With an improved IP54 rating, Galaxy A17 5G is even more durable than before.⁴ It’s built to resist splashes and dust and comes with a stronger yet slimmer Gorilla Glass Victus front and Glass Fiber Reinforced Polymer back.

How to choose the right browser for one extension

  1. Name the exact extension and task. Identify what it must do on your phone; desktop availability alone is not enough.
  2. Check the browser’s Android catalog or add-on route. Look for the extension in Firefox’s Android catalog, Samsung Internet’s Galaxy Store add-ons, or the store access claimed by the browser vendor.
  3. Confirm compatibility in the installed browser. Check the listing and the extension’s required browser or Android support. If compatibility is not explicit, install it and test the specific feature you need.
  4. Review permissions before adding it. Understand the access requested and decide whether it is appropriate for the extension’s purpose.
  5. Check management and updates. Find where the browser lets you disable, remove, or update the extension, and whether updates depend on browser updates or another mechanism.
  6. Test private browsing separately if you use it. In Firefox for Android, add-ons are not enabled for private browsing by default; you can configure this separately in the extension settings.

Installing and managing extensions in Firefox for Android

  1. Open Firefox and tap the three-dot menu.
  2. Choose Add-ons or Extensions (the displayed label can vary by version).
  3. Select an extension and review the access it requires.
  4. Choose the option to add it, then return to the Extensions area to manage installed add-ons.

Mozilla says compatible extension updates are applied when Firefox updates. Its support article was last updated on May 28, 2024, so check the current app and add-on listing if a label or behavior differs.

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What this comparison can—and cannot—tell you

The available documentation supports comparing extension catalogs and installation workflows. It does not establish a performance ranking, privacy audit, or security endorsement, so a claim that one of these browsers is universally best would go beyond the evidence. Extension catalogs and browser compatibility can also change; make the current app and the specific extension your final check.

Quick Recap

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Tracfone Moto g Play 2024 Prepaid Phone with a 1-Yr Plan Included
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Samsung Galaxy S26 Ultra, Unlocked Android Smartphone, 512GB, Black
  • PRIVACY DISPLAY: Automatically hide your screen from those beside you. The built-in privacy display can be preset¹ to turn on when receiving notifications, typing passwords, or using specific apps
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  • NIGHTS, CAPTURED CLEARLY: From gigs to city lights, record and capture moments after dark with clarity using Nightography so your photos and videos stay crisp and clear on your Samsung Galaxy
  • MAKE IT. EDIT IT. SHARE IT: Turn everyday moments into something personal with creative tools built right into your mobile phone, whether it’s a special contact photo, custom wallpaper, an invitation or more⁴
  • HELP THAT KEEPS UP: Stay in the moment while Now Nudge with Galaxy AI helps you respond faster and stay organized with smart suggestions⁵ that appear exactly when you need them on your phone

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