LibreWolf

{{Infobox software

| discontinued =

| latest release version =

| latest release date =

| latest preview version =

| latest preview date =

| title = LibreWolf

| logo = File: LibreWolf icon.svg

| logo alt = LibreWolf logo

| screenshot = LibreWolf 137.0.1 on Linux screenshot.webp

| screenshot alt = LibreWolf version 135.0.1 with default light theme

| caption = LibreWolf 137 with Wikipedia.org open

| developer = LibreWolf Community

| released = {{ubl

|Linux: {{Start date and age|2020|3|7}}

|Windows: {{Start date and age|2021|2|21}}

|macOS: {{Start date and age|2021|4|12}}

}}

| repo = https://codeberg.org/librewolf

| engines = Gecko, Quantum, and SpiderMonkey

| operating system = {{ubl

|Linux

|macOS 10.15 and later

|Windows 10 and later

}}

| genre = Web browser

| license = {{ubl

|Source code: MPL 2.0

|Website: GNU AGPL 3.0

}}

| website = {{URL|https://librewolf.net}}

}}

LibreWolf is a free and open-source fork of Firefox, with an emphasis on privacy and security.{{Cite web |last=Isaac |date=2022-06-27 |title=LibreWolf: a privacy-focused Firefox fork |url=https://ubunlog.com/en/freewolf/ |access-date=2023-04-26 |website=Ubunlog |language=en}}{{cite web |last1=Wallen |first1=Jack |title=Worried about online privacy and security? This browser protects you more than Firefox |url=https://www.zdnet.com/article/worried-about-online-privacy-and-security-this-browser-protects-you-more-than-firefox/ |website=ZDNET |publisher=Red Ventures |access-date=9 April 2024}}{{Cite web |last=Appel |first=Martin |date=2023-09-21 |title=Sick of Chrome and Edge? Switch to one of these 9 secure browsers instead |url=https://www.pcworld.com/article/2073011/9-secure-browsers-that-challenge-chrome-and-edge.html |access-date=2024-06-03 |website=PCWorld |language=en}} It is licensed under the MPL 2.0.{{Cite web |title=LibreWolf Browser |url=https://librewolf.net/ |access-date=2024-07-17 |website=librewolf.net}}

Full builds run on Open Build Service.{{cite web |title=debian-obs |url=https://codeberg.org/librewolf/debian-obs |website=Codeberg.org |access-date=10 May 2025}}

Development

LibreWolf was initially released for Linux operating systems on March 7, 2020.{{Cite web |title=Releases · LibreWolf / Browser / Linux · GitLab |url=https://gitlab.com/librewolf-community/browser/linux/-/releases |access-date=2023-04-26 |website=GitLab |language=en}} The goal of the LibreWolf project was to create a more privacy-focused version of Firefox.{{Cite web |last=Pell |first=Anthony |date=2024-01-04 |title=Secure Your Web Browsing With LibreWolf, The Privacy-Focused Firefox Fork |url=https://linuxsecurity.com/news/privacy/librewolf-privacy-focused-firefox-fork |access-date=2024-06-03 |website=Linux Security |language=en-gb}} A community-maintained version for Windows was released a year later, with a macOS port released soon after.{{Cite web |title=Releases · LibreWolf / Browser / Windows · GitLab |url=https://gitlab.com/librewolf-community/browser/windows/-/releases |access-date=2023-04-26 |website=GitLab |language=en |archive-date=April 26, 2023 |archive-url=https://web.archive.org/web/20230426183948/https://gitlab.com/librewolf-community/browser/windows/-/releases |url-status=dead }}{{Cite web |title=Releases · LibreWolf / Browser / macOS · GitLab |url=https://gitlab.com/librewolf-community/browser/macos/-/releases |access-date=2023-04-26 |website=GitLab |language=en}}

Features

LibreWolf does not include telemetry or auto-updating, and certain features like Pocket are disabled.{{Cite web |last=Hasan |first=Mehedi |date=2022-03-13 |title=LibreWolf: A Trusted Open-source Firefox Fork for Linux |url=https://www.ubuntupit.com/librewolf-a-trusted-open-source-firefox-fork-for-linux/ |access-date=2023-04-26 |website=UbuntuPIT |language=en-US}}{{Cite web |date=2022-04-13 |title=LibreWolf vs Firefox: Comparing the Privacy Heroes of Open-Source Browsers |url=https://itsfoss.com/librewolf-vs-firefox/ |access-date=2023-04-26 |website=It's FOSS |language=en}}{{Cite web |last=Pablinux |date=2021-04-08 |title=LibreWolf, a Firefox prepared to be more private |url=https://www.linuxadictos.com/en/librewolf-a-firefox-prepared-to-be-more-private-nothing-to-be-installed.html |access-date=2023-04-26 |website=Linux Adictos |language=en}} It does not have sponsored shortcuts.

By default, LibreWolf deletes the user's cookies and history when the browser is closed, but that feature can be disabled.{{Cite web |last=Das |first=Ankush |date=2021-11-08 |title=LibreWolf: An Open-Source Firefox Fork Without the Telemetry |url=https://itsfoss.com/librewolf/ |access-date=2024-06-03 |website=It's FOSS |language=en}}{{Cite web |last=Hasan |first=Mehedi |date=2022-03-13 |title=LibreWolf: A Trusted Open-source Firefox Fork for Linux |url=https://www.ubuntupit.com/librewolf-a-trusted-open-source-firefox-fork-for-linux/ |access-date=2024-06-03 |website=UbuntuPIT |language=en-US}} LinuxSecurity noted that LibreWolf may not have full compatibility with some websites.

By default, Firefox Sync is disabled for LibreWolf, though it is possible to enable it in the browser's settings.{{Cite web |title=Frequently asked Questions |url=https://librewolf.net/docs/faq/#can-i-use-firefox-sync-with-librewolf-is-it-safe-to-do-so |website=Librewolf |language=en}}

According to the website PrivacyTests.org in 2022, LibreWolf, along with Brave Browser and Tor Browser, had the most privacy protection compared to other browsers.{{Cite web |last=Saxena |first=Hermant |date=2022-06-20 |title=Brave and Librewolf are the most private browsers, says study |url=https://news.thewindowsclub.com/brave-and-librewolf-are-the-most-private-browsers-107030/ |access-date=2024-06-03 |website=TheWindowsClub News |language=en-us}}{{Cite web |last=Brinkmann |first=Martin |date=2022-06-15 |title=PrivacyTests reveals how your web browser does privacy-wise - gHacks Tech News |url=https://www.ghacks.net/2022/06/15/privacytests-reveals-how-your-web-browser-does-privacy-wise/ |access-date=2024-06-03 |website=gHacks Technology News |language=en-US}}