Developer |
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| Developer name |
Mozilla Corporation & Foundation |
Apple Inc. |
Google LLC (Alphabet Inc.) |
Microsoft Corporation |
Opera Software AS |
Vivaldi Technologies AS |
Brave Software Inc. |
| Developer country |
United States |
United States |
United States |
United States |
Norwaybut owned by Chinese investor |
Norway |
United States |
| Privacy ratingsSources are linked |
bad / mixed / good / mixed / bad |
bad / NA / bad / good / NA |
bad / bad / bad / bad / bad |
bad / NA / mixed / bad / bad |
NA / bad / bad / bad / bad |
NA / mixed / good / mixed / mixed |
good / bad / good / mixed / bad |
General technical information |
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| Based on |
forked from Netscape, via Mozilla Suite |
forked from Konqueror |
forked from Safari, based on Chromium (the unbranded, FOSS version of Chrome) |
based on Chromium since 2020,
previously forked from Internet Explorer |
based on Chromium since 2013,
previously an independent product |
based on Chromium,
founded by ex-CEO of Opera |
based on Chromium,
founded by ex-CEO of Mozilla |
| Predecessors and first release |
1994 Netscape → '98 Mozilla → '02 Firefox |
2003 Safari |
2008 Chromium/Chrome |
1995 Internet Explorer → 2015 Edge |
1995 Opera |
2016 Vivaldi |
2016 Brave |
| HTML and Javascript engine |
Gecko/SpiderMonkey
WebKit/Nitro on iOS |
WebKit/Nitro |
Blink/V8
WebKit/Nitro until 2013 + on iOS |
Blink/V8
WebKit/Nitro on iOS
Trident/Chakra in IE Mode
EdgeHTML/Chakra until 2020 |
Blink/V8
WebKit/Nitro on iOS
Presto/Carakan until 2013 + in Opera Mini |
Blink/V8
WebKit/Nitro on iOS |
Blink/V8
WebKit/Nitro on iOS
Gecko/SpiderMonkey in very early versions |
Usage share
Usage share over time
• worldwide
• all device types included
• source: TheCounter 2002-07, StatCounter 2008-23
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| Market share mid-2023 |
2.8% (9% of Firefox users on mobile devices) |
20.0% (72% of Safari users on mobile devices) |
62.8% (58% of Chrome users on mobile devices) |
5.1% (11% of Edge users on mobile devices) |
3.0% (36% of Opera users on mobile devices) |
0.1% (estimate based on MAU, no device split available) |
0.8% (estimate based on MAU, no device split available) |
Operating system support |
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| Windows |
Yes |
Dropped |
Yes |
Yes (preinstalled) |
Yes |
Yes |
Yes |
| macOS |
Yes |
Yes (preinstalled) |
Yes |
Yes |
Yes |
Yes |
Yes |
| GNU/Linux |
Yes |
No |
Yes |
Yes |
Yes |
Yes |
Yes |
| BSD |
Free/Net/Open/DragonFlyBSDAll inofficial builds (not provided or supported by Mozilla).
FreeBSD, NetBSD, and OpenBSD are mentioned as Tier-3 targets by Mozilla:
https://firefox-source-docs.mozilla.org/contributing/build/supported.html |
No |
No |
No |
Dropped: Free/Net/OpenBSDNetBSD and OpenBSD had only had inofficial ports (not provided or supported by Opera Software) |
No |
No |
| Unix System V |
Solaris, Illumos. Dropped: HP-UX, AIXAll inofficial builds (not provided or supported by Mozilla).
Solaris is mentioned as a Tier-3 target by Mozilla:
https://firefox-source-docs.mozilla.org/contributing/build/supported.html |
No |
No |
No |
Dropped: Solaris |
No |
No |
| Android |
Yes |
No |
Yes |
Ye |
Yes |
Yes |
Yes |
| iOS |
Yes |
Yes (preinstalled) |
Yes |
Yes |
Yes |
Yes |
Yes |
| Other modern operating systems |
Dropped: AmigaOS, ArcaOS (OS/2), Haiku (BeOS), OpenVMS, QNX, and RISC OSInofficial builds (not provided or supported by Mozilla) |
No |
Chrome OS, Fuchsia |
Xbox System Software |
Dropped: ArcaOS (OS/2), Haiku (BeOS), and QNX |
No |
No |
| Legacy operating systems |
Dropped: Maemo, Firefox OS, SkyOSInofficial builds (not provided or supported by Mozilla) |
No |
No |
Dropped: Windows Phone/Mobile |
Dormant: Opera Mini for basic phonesOpera Mini for basic phones is not actively developed anymore, but is still available for download and comes preinstalled on some feature phones. Rendering is down server-side using the Presto engine. /
Dropped: MacOS Classic, Wii, Nintendo DS,
MeeGo, EPOC/Symbian, Bada, BlackBerry,
Windows Mobile/Phone, Linux-based TVs |
No |
No |
| Feature Comparison |
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Win/Mac/Linux |
AndroidThis comparison looked at Firefox and not Firefox Focus or Firefox Klar. |
iOSThis comparison looked at Firefox and not Firefox Focus. |
Mac |
iOS |
Win/Mac/Linux |
Android |
iOS |
Win/Mac/Linux |
Android |
iOS |
Win/Mac/Linux |
AndroidThis comparison looked at Opera and not Opera Mini or Opera Touch. |
iOSThis comparison looked at Opera (formerly Opera Touch); dropped features may refer to Opera Mini. |
Win/Mac/Linux |
Android |
iOS |
Win/Mac/Linux |
Android |
iOS |
Bookmarking & archiving |
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| Bookmarks bar or speed dial with folders |
Yes (bookmarks bar) |
No |
No |
Yes (bookmarks bar) |
No |
Yes (bookmarks bar) |
No |
No |
Yes (bookmarks bar) |
No |
No |
Yes (both) |
Yes |
Dropped |
Yes (both) |
Yes |
No |
Yes (bookmarks bar) |
No |
No |
| Session manager |
No (ext.)possible with 3rd party browser extension |
YesCollections |
No |
No (ext.)possible with 3rd party browser extension |
No |
No (ext.)possible with 3rd party browser extension |
No |
No |
Dropped (v79) (ext.)possible with 3rd party browser extension |
No |
No |
Dropped (v15) (ext.)possible with 3rd party browser extension |
No |
No |
Yes |
No |
No |
No (ext.)possible with 3rd party browser extension |
No |
No |
| Download/screenshot whole website |
HTML/PNG |
PDF |
No |
Webarchive/PDF |
No |
(M)HTML |
MHTML |
No |
MHTML/PNG |
MHTML/PNG |
No |
(M)HTML/PDF |
(M)HTML/PDF |
No |
(M)HTML/PNG/JPG |
MHTML/PNG |
No |
(M)HTML |
MHTML/PNG |
PDF |
Search |
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| Default search engine |
Google |
Google |
Google |
Bing |
Google |
Bing |
Brave Search |
| Can delete/hide preinstalled search engines |
Yes |
Yes |
No |
No |
No |
Yes |
No |
No |
Yes |
No |
No |
Dropped (v15) |
Dropped |
No |
Yes |
No |
No |
Yes |
No |
No |
| Can add new search engines |
Yes |
Yes |
Yes |
No |
No (ext.)possible with 3rd party browser extension |
Yes |
No |
No |
Yes |
No |
No |
Yes |
Yes |
Dropped |
Yes |
No |
No |
Yes |
No |
Yes |
| Search keywordse.g. type "b <text>" to search for <text> in Bing |
Yes |
No |
No |
No |
No (ext.)possible with 3rd party browser extension |
Yes |
No |
No |
Yes |
No |
No |
Yes |
No |
No |
Yes |
Yes |
No |
Yes |
No |
No |
Privacy |
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| Tracking protectioncan include blocking of tracking scripts, tracking cookies, URL tracking parameters, fingerprinting attempts via canvas or supercookies, and more |
Yes |
Yes |
Yes |
Yes |
Yes |
No (ext.)possible with 3rd party browser extension |
No |
No |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
| Ad blocking (cosmetic, alongside trackers)incl. blocking of "acceptable ads" and "non-intrusive ads" |
No (ext.)possible with 3rd party browser extension |
No (ext.)possible with 3rd party browser extension |
No |
No (ext.)possible with 3rd party browser extension |
No (ext.)possible with 3rd party browser extension |
No (ext.)possible with 3rd party browser extension |
No |
No |
No (ext.)possible with 3rd party browser extension |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
| Can clear cookies on exit |
Yes |
Yes |
No |
No |
No |
Yes |
No |
No |
Yes |
Yes |
No |
Yes |
Yes |
No |
Yes |
Yes |
No |
Yes |
Yes |
No |
| CNAME uncloaking support |
Yes |
Yes |
YesWebKit's "Intelligent Tracking Protection" applies to all iOS browsers |
Yes |
Yes |
No |
No |
YesWebKit's "Intelligent Tracking Protection" applies to all iOS browsers |
No |
No |
YesWebKit's "Intelligent Tracking Protection" applies to all iOS browsers |
No |
No |
YesWebKit's "Intelligent Tracking Protection" applies to all iOS browsers |
No |
No |
No |
Yes |
Yes |
YesWebKit's "Intelligent Tracking Protection" applies to all iOS browsers |
| Partitioning of third-party storage |
Yes |
Yes |
YesWebKit's "Intelligent Tracking Protection" applies to all iOS browsers |
Yes |
Yes |
No |
No |
YesWebKit's "Intelligent Tracking Protection" applies to all iOS browsers |
No |
No |
YesWebKit's "Intelligent Tracking Protection" applies to all iOS browsers |
No |
No |
YesWebKit's "Intelligent Tracking Protection" applies to all iOS browsers |
No |
No |
No |
Yes |
Yes |
YesWebKit's "Intelligent Tracking Protection" applies to all iOS browsers |
| Doesn't share your interests with advertisers? |
Yes |
Yes |
Yes |
Yes |
Yes |
Opt-inTopics API, a part of Chrome's "Privacy Sandbox", will analyze user's interests based on their browsing history, and share that information with advertisers to serve targeted ads. |
Opt-inTopics API, a part of Chrome's "Privacy Sandbox", will analyze user's interests based on their browsing history, and share that information with advertisers to serve targeted ads. |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
| Can grant ephemeral website permissions |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
Yes |
Yes |
No |
Freedom |
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| License |
MPL |
Proprietary |
Proprietary |
Proprietary |
Proprietary |
Source available |
MPL |
| Web Environment Integrity APIThis can used to prevent users from blocking ads, trackers and other harmful content. It allows website owners to lock out users of unapproved browsers, unapproved operating systems, and older hardware. |
No |
No |
No |
No |
No |
Dropped |
Dropped |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
| EME & DRMEncrypted Media Extensions, an implementation of Digital Restrictions Management (DRM). |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
No |
No |
Yes |
Yes |
Yes |
Synchronisation |
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| Bookmarks sync |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Dropped |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
| Passwords sync |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Dropped |
Yes |
Yes |
Yes |
Yes |
Yes |
No |
| History and open tabs sync |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Dropped |
Yes |
Yes |
Yes |
Yes |
Yes |
No |
| End-to-end encryption of sync data |
Default E2E encryption |
Default E2E encryption |
Optional E2E encryptiononly passwords encrypted by default |
Limited E2E encryptiononly for passwords, or when using a school or work account |
Optional E2E encryptiononly passwords encrypted by default |
Default E2E encryption |
Default E2E encryption |
| Ability to sync without creating an account |
Yes (self-hosted server) |
No |
No |
No |
No |
No |
Yes (sync chain) |
Convenience |
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| Autofill (passwords, addresses, payments) |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
| Website translation |
Yes |
No |
No |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
No (ext.)possible with 3rd party browser extension |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
Yes |
No |
| Dynamic text reflow when zoomingline breaks adjust to avoid horizontal scrolling |
Yes |
No |
No |
Yes |
No |
Yes |
Dropped |
No |
Yes |
No |
No |
Yes |
Yes |
Dropped |
Yes |
No |
No |
Yes |
No |
No |
Temporary downloads ("Open" file)download files into a temporary location ("Open")
rather than save them in the Downloads folder ("Save") |
Dropped (v97)feature was dropped in v97 but Firefox developers have announced that it will be brought back in the future with a setting in about:config |
No |
No |
No |
No |
No |
No |
No |
Yes |
No |
No |
Dropped (v15) |
No |
No |
No |
No |
No |
No |
No |
No |
| Reader viewhides all elements but text |
Yes |
Yes |
Yes |
Yes |
Yes |
Dropped (v79) (ext.)possible with 3rd party browser extension |
YesIn Accessibility Settings → Simplified View for Web Pages |
No |
Yes |
Yes |
Yes |
No (ext.)possible with 3rd party browser extension |
Yes |
No |
Yes |
YesIn Accessibility Settings → Simplified View for Web Pages |
Yes |
No (ext.)possible with 3rd party browser extension |
YesIn Accessibility Settings → Simplified View for Web Pages |
Yes |
| Enforce dark theme for websiteschanges the website to a dark design to match the browser's or operating system's dark theme |
No currently only available in Firefox Nightly(ext.)possible with 3rd party browser extension |
No (ext.)possible with 3rd party browser extension |
Yes |
No (ext.)possible with 3rd party browser extension |
No (ext.)possible with 3rd party browser extension |
hiddenin chrome://flags (ext.)possible with 3rd party browser extension |
hiddenin chrome://flags |
No |
hiddenin edge://flags (ext.)possible with 3rd party browser extension |
hiddenin edge://flags |
No |
Yes |
Yes |
Dropped |
hiddenin vivaldi://flags (ext.)possible with 3rd party browser extension |
Yes |
No |
hiddenin brave://flags (ext.)possible with 3rd party browser extension |
Yes |
Yes |
| Upload file from clipboard |
No (ext.)possible with 3rd party browser extension |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
Yes |
No |
No |
No |
No |
No |
No |
No |
No |
Tab handling |
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| Tab groups/stacks/workspaces |
Dropped (v45) (ext.)possible with 3rd party browser extension |
No |
No |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
No |
No |
Yes |
No |
No |
Yes |
Yes |
No |
Yes |
Yes |
No |
Change between horizontal and vertical tabs |
No (ext.)possible with 3rd party browser extension and hiding native tar bar with userChrome.css |
No |
No |
No |
No |
Dropped (v16) |
No |
No |
Yes |
No |
No |
Dropped (v15) |
No |
No |
Yes |
No |
No |
Yes |
No |
No |
| Configurable placement of new tabse.g. next right vs. far right on tab bar |
hiddenin about:config (ext.)possible with 3rd party browser extension |
Dropped |
No |
No |
No |
No (ext.)possible with 3rd party browser extension |
No |
No |
No (ext.)possible with 3rd party browser extension |
No |
No |
Dropped (v15) (ext.)possible with 3rd party browser extension |
No |
No |
Yes |
Yes |
No |
No (ext.)possible with 3rd party browser extension |
No |
No |
| Configurable tab focus after closing tabe.g. go back to adjacent tab or to last used tab |
No (ext.)possible with 3rd party browser extension |
No |
No |
No |
No |
No (ext.)possible with 3rd party browser extension |
No |
No |
No (ext.)possible with 3rd party browser extension |
No |
No |
Dropped (v15) (ext.)possible with 3rd party browser extension |
No |
No |
Yes |
No |
No |
No (ext.)possible with 3rd party browser extension |
No |
No |
| Quickly jump back to last active tab |
Yes (Ctrl+Tab) |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
Yes (Ctrl+Tab) |
No |
No |
Yes (Ctrl+Tab) |
No |
No |
Yes (Ctrl+Tab) |
No |
No |
Advanced features |
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| Can clear browsing history on exit |
Yes (flawed)If "clear history on exit" is selected,
the previous session will not be restored after restarting the browser,
even when "restore previous session" is enabled. |
Yes |
No |
No |
No |
No |
No |
No |
Yes |
Yes |
No |
No |
Yes |
No |
Yes |
Yes |
No |
Yes |
Yes |
No |
| Multi-account containers |
w/ official extension |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
| Can disable JavaScript |
hiddenin about:config (ext.)possible with 3rd party browser extension |
Dropped |
No |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
Yes |
No |
Yes |
No |
No |
hiddenin Chromium settings (vivaldi://settings/content/javascript) |
Yes |
No |
Yes |
Yes |
Yes |
| Supports PWAsProgressive Web Apps/add to homescreen |
No |
Yes |
No |
No |
Yes |
Yes |
Yes |
No |
Yes |
Yes |
No |
No |
Yes |
No |
Yes |
Yes |
Yes |
Yes |
Yes |
No |
| Userscript support |
No (ext.)possible with 3rd party browser extension |
No (ext.)possible with 3rd party browser extension |
No |
No (ext.)possible with 3rd party browser extension |
No (ext.)possible with 3rd party browser extension |
No (ext.)possible with 3rd party browser extension |
No |
No |
No (ext.)possible with 3rd party browser extension |
No |
No |
Dropped (v15) (ext.)possible with 3rd party browser extension |
No |
No |
No (ext.)possible with 3rd party browser extension |
No |
No |
No (ext.)possible with 3rd party browser extension |
No |
No |
| Portable settings profiles |
Yes (user.js) |
Noon rooted devices only |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
| Browser's UI elements can be modified |
limitedcan rearrange the elements shown in the toolbar / hiddenuserChrome.css can be used, however since v69 this needs to be enabled first in about:config first |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
Dropped (v15) |
No |
No |
limitedcan rearrange the elements shown in the toolbar / hidden.css files can be used, however this needs to be enabled first in vivaldi://experiments |
No |
No |
No |
No |
No |
Support for JPEG XL image format |
No |
No |
No |
Yes |
Yes |
No |
No |
Yes |
No |
No |
Yes |
No |
No |
Yes |
No |
No |
Yes |
No |
No |
Yes |
| Can use another HTML engine |
No |
No |
No |
No |
No |
No |
No |
No |
Yes (Trident)Internet Explorer mode on Windows |
No |
No |
No |
DroppedPresto engine used in the "Extreme Data Savings" mode |
DroppedPresto engine used in the "Extreme Data Savings" mode |
No |
No |
No |
No |
No |
No |
Can view and save files in cacheexample use-case: stream a video,
find video file in cache, save video on device |
Yes |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
Dropped (v15) |
No |
No |
No |
No |
No |
No |
No |
No |
| Master password for password autofill |
Yes (no mobile sync)Passwords will not sync to mobile devices if protected with master password |
Dropped |
No |
No |
No |
No |
No |
No |
Yes |
Device PIN |
No |
Dropped (v15) |
Device PIN |
No |
No |
No |
No |
No |
No |
No |
Connection |
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| Proxy settings (independent from OS) |
Yes |
No |
No |
No |
No |
No (ext.)possible with 3rd party browser extension |
No |
No |
No (ext.)possible with 3rd party browser extension |
No |
No |
Dropped (v15) (ext.)possible with 3rd party browser extension |
No |
No |
No (ext.)possible with 3rd party browser extension |
No |
No |
No (ext.)possible with 3rd party browser extension |
No |
No |
| Automatic upgrading to HTTPS |
Yes |
Yes |
No |
for known websites |
for known websites |
Yes |
Yes |
No |
hiddenin edge://flags (ext.)possible with 3rd party browser extension |
No |
No |
Yes |
No |
No |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
| Data compression |
No |
No |
No |
No |
No |
No |
Dropped |
No |
No |
No |
No |
Dropped (v58) |
Yes |
Dropped |
No |
No |
No |
No |
No |
No |
| IPFS supportcensorship-resistent protocol and P2P network |
No (ext.)possible with 3rd party browser extension |
No |
No |
No |
No |
No (ext.)possible with 3rd party browser extension |
No |
No |
No (ext.)possible with 3rd party browser extension |
No |
No |
Yes |
Yes |
Yes |
No (ext.)possible with 3rd party browser extension |
No |
No |
Yes |
Yes |
No |
| DNS-over-HTTPS |
Yes |
Dropped |
No |
No |
No |
Yes |
Yes |
No |
Yes |
No |
No |
Yes |
Yes |
No |
hiddenin Chromium settings (vivaldi://settings/security) |
Yes |
No |
Yes |
Yes |
No |
| Encrypted Client Hello |
Yes |
No |
No |
No |
No |
hiddenin chrome://flags |
hiddenin chrome://flags |
No |
hiddenneed to start with command line switch |
No |
No |
hiddenin chrome://flags |
No |
No |
hiddenin vivaldi://flags |
hiddenin vivaldi://flags |
No |
hiddenin brave://flags |
hiddenin brave://flags |
No |
| Can access .onion websites (ootb) |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
Yes |
No |
No |
| Can access .i2p websites (ootb) |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
Extensions |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Extension support |
Yes |
Yes |
No |
Yes |
Yes |
Yes |
No |
No |
Yes |
No |
No |
Yes |
No |
No |
Yes |
No |
No |
Yes |
No |
No |
| Support for uBlock Origin (content blocker) |
Yes |
Yes |
No |
Dropped (v13) |
No |
Yes (limited features)some features only available on Firefox:
https://github.com/gorhill/uBlock/wiki/uBlock-Origin-works-best-on-Firefox |
No |
No |
Yes (limited features)some features only available on Firefox:
https://github.com/gorhill/uBlock/wiki/uBlock-Origin-works-best-on-Firefox |
No |
No |
Yes (limited features)some features only available on Firefox:
https://github.com/gorhill/uBlock/wiki/uBlock-Origin-works-best-on-Firefox |
No |
No |
Yes (limited features)some features only available on Firefox:
https://github.com/gorhill/uBlock/wiki/uBlock-Origin-works-best-on-Firefox |
No |
No |
Yes (limited features)some features only available on Firefox:
https://github.com/gorhill/uBlock/wiki/uBlock-Origin-works-best-on-Firefox |
No |
No |
| Can "sideload" extension (install from file) |
Yes |
if signedExtensions have to be verified and signed by Mozilla |
No |
Dropped (v12) |
No |
Recurring warningbrowser will keep warning and recommending to disable sideloaded extensions |
No |
No |
Recurring warningbrowser will keep warning and recommending to disable sideloaded extensions |
No |
No |
Yes |
No |
No |
Yes |
No |
No |
Recurring warningbrowser will keep warning and recommending to disable sideloaded extensions |
No |
No |
| Extension store |
Mozilla |
Apple |
Google |
Microsoft & Google |
Opera & Google |
Google |
Google |