diff --git a/flake.lock b/flake.lock
index 711c6f8..b64b5ba 100644
--- a/flake.lock
+++ b/flake.lock
@@ -275,6 +275,21 @@
         "type": "github"
       }
     },
+    "nur": {
+      "locked": {
+        "lastModified": 1712594810,
+        "narHash": "sha256-YP5daMtfEmbhuZGZbFBjvGQIO0EeVnlhw6L+5IfANws=",
+        "owner": "nix-community",
+        "repo": "NUR",
+        "rev": "8216f5247f695e7648f9735177870071061700f8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "NUR",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "agenix": "agenix",
@@ -284,7 +299,8 @@
         "nixos-hardware": "nixos-hardware",
         "nixos-wsl": "nixos-wsl",
         "nixpkgs": "nixpkgs_2",
-        "nixpkgs-unstable": "nixpkgs-unstable"
+        "nixpkgs-unstable": "nixpkgs-unstable",
+        "nur": "nur"
       }
     },
     "systems": {
diff --git a/flake.nix b/flake.nix
index 706e828..27c58a9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -19,8 +19,10 @@
         inputs.nixpkgs.follows = "nixpkgs";
       };
       nix-colors.url = "github:misterio77/nix-colors";
+      nur = { url = "github:nix-community/NUR"; };
   };
   outputs = { self,
+              nur,
               nixpkgs,
               nixos-hardware,
               nixos-wsl,
@@ -64,7 +66,7 @@
           ./users/kopatz
           ./modules/collections/desktop.nix
           ./systems/pc/configuration.nix
-         ({ config, pkgs, ... }: { nixpkgs.overlays = with outputs.overlays; [additions modifications unstable-packages]; })
+         ({ config, pkgs, ... }: { nixpkgs.overlays = with outputs.overlays; [additions modifications unstable-packages nur.overlay]; })
           agenix.nixosModules.default
           home-manager-unstable.nixosModules.home-manager
         ];
diff --git a/home-manager/firefox/config/annoyances.nix b/home-manager/firefox/config/annoyances.nix
new file mode 100644
index 0000000..18eaa39
--- /dev/null
+++ b/home-manager/firefox/config/annoyances.nix
@@ -0,0 +1,47 @@
+{
+  # Disable firefox intro tabs on the first start
+  # Disable the first run tabs with advertisements for the latest firefox features.
+  "browser.startup.homepage_override.mstone" = "ignore";
+  # Disable new tab page intro
+  # Disable the intro to the newtab page on the first run
+  "browser.newtabpage.introShown" = false;
+  # Pocket Reading List
+  # No details
+  "extensions.pocket.enabled" = false;
+  "browser.newtabpage.activity-stream.section.highlights.includePocket" = false;
+  # Disable Sponsored Top Sites
+  # Firefox 83 introduced sponsored top sites
+  # (https://support.mozilla.org/en-US/kb/sponsor-privacy), which are sponsored ads
+  # displayed as suggestions in the URL bar.
+  "services.sync.prefs.sync.browser.newtabpage.activity-stream.showSponsoredTopSite" =
+    false;
+  # Disable about:config warning.
+  # No details
+  "browser.aboutConfig.showWarning" = false;
+  # Do not trim URLs in navigation bar
+  # By default Firefox trims many URLs (hiding the http:// prefix and trailing slash
+  # /).
+  "browser.urlbar.trimURLs" = false;
+  # Disable checking if Firefox is the default browser
+  # No details
+  "browser.shell.checkDefaultBrowser" = false;
+  # Disable reset prompt.
+  # When Firefox is not used for a while, it displays a prompt asking if the user
+  # wants to reset the profile. (see Bug #955950
+  # (https://bugzilla.mozilla.org/show_bug.cgi?id=955950)).
+  "browser.disableResetPrompt" = true;
+  # Disable Heartbeat Userrating
+  # With Firefox 37, Mozilla integrated the Heartbeat
+  # (https://wiki.mozilla.org/Advocacy/heartbeat) system to ask users from time to
+  # time about their experience with Firefox.
+  "browser.selfsupport.url" = "";
+  # Content of the new tab page
+  # 
+  "browser.newtabpage.enhanced" = false;
+  # Disable autoplay of <code>&lt;video&gt;</code> tags.
+  # Per default, <code>&lt;video&gt;</code> tags are allowed to start automatically.
+  # Note: When disabling autoplay, you will have to click pause and play again on
+  # some video sites.
+  "media.autoplay.enabled" = true;
+  "media.autoplay.default" = 0;
+}
diff --git a/home-manager/firefox/config/browser-features.nix b/home-manager/firefox/config/browser-features.nix
new file mode 100644
index 0000000..d23444d
--- /dev/null
+++ b/home-manager/firefox/config/browser-features.nix
@@ -0,0 +1,121 @@
+{
+  # Disable Telemetry
+  # The telemetry feature
+  # (https://support.mozilla.org/kb/share-telemetry-data-mozilla-help-improve-firefox)
+  # sends data about the performance and responsiveness of Firefox to Mozilla.
+  "toolkit.telemetry.enabled" = false;
+  "toolkit.telemetry.archive.enabled" = false;
+  "toolkit.telemetry.rejected" = true;
+  "toolkit.telemetry.unified" = false;
+  "toolkit.telemetry.unifiedIsOptIn" = false;
+  "toolkit.telemetry.prompted" = 2;
+  "toolkit.telemetry.server" = "";
+  "toolkit.telemetry.cachedClientID" = "";
+  "toolkit.telemetry.newProfilePing.enabled" = false;
+  "toolkit.telemetry.shutdownPingSender.enabled" = false;
+  "toolkit.telemetry.updatePing.enabled" = false;
+  "toolkit.telemetry.bhrPing.enabled" = false;
+  "toolkit.telemetry.firstShutdownPing.enabled" = false;
+  "toolkit.telemetry.hybridContent.enabled" = false;
+  "toolkit.telemetry.reportingpolicy.firstRun" = false;
+  # Disable health report
+  # Disable sending Firefox health reports
+  # (https://www.mozilla.org/privacy/firefox/#health-report) to Mozilla
+  "datareporting.healthreport.uploadEnabled" = false;
+  "datareporting.policy.dataSubmissionEnabled" = false;
+  "datareporting.healthreport.service.enabled" = false;
+  # Disable shield studies
+  # Mozilla shield studies (https://wiki.mozilla.org/Firefox/Shield) is a feature
+  # which allows mozilla to remotely install experimental addons.
+  "app.normandy.enabled" = false;
+  "app.normandy.api_url" = "";
+  "app.shield.optoutstudies.enabled" = false;
+  "extensions.shield-recipe-client.enabled" = false;
+  "extensions.shield-recipe-client.api_url" = "";
+  # Disable experiments
+  # Telemetry Experiments (https://wiki.mozilla.org/Telemetry/Experiments) is a
+  # feature that allows Firefox to automatically download and run specially-designed
+  # restartless addons based on certain conditions.
+  "experiments.enabled" = false;
+  "experiments.manifest.uri" = "";
+  "experiments.supported" = false;
+  "experiments.activeExperiment" = false;
+  "network.allow-experiments" = false;
+  # Disable Crash Reports
+  # The crash report (https://www.mozilla.org/privacy/firefox/#crash-reporter) may
+  # contain data that identifies you or is otherwise sensitive to you.
+  "breakpad.reportURL" = "";
+  "browser.tabs.crashReporting.sendReport" = false;
+  "browser.crashReports.unsubmittedCheck.enabled" = false;
+  "browser.crashReports.unsubmittedCheck.autoSubmit" = false;
+  "browser.crashReports.unsubmittedCheck.autoSubmit2" = false;
+  # Opt out metadata updates
+  # Firefox sends data about installed addons as metadata updates
+  # (https://blog.mozilla.org/addons/how-to-opt-out-of-add-on-metadata-updates/), so
+  # Mozilla is able to recommend you other addons.
+  "extensions.getAddons.cache.enabled" = false;
+  # Disable google safebrowsing
+  # Google safebrowsing can detect phishing and malware but it also sends
+  # informations to google together with an unique id called wrkey
+  # (http://electroholiker.de/?p=1594).
+  "browser.safebrowsing.enabled" = false;
+  "browser.safebrowsing.downloads.remote.url" = "";
+  "browser.safebrowsing.phishing.enabled" = false;
+  "browser.safebrowsing.blockedURIs.enabled" = false;
+  "browser.safebrowsing.downloads.enabled" = false;
+  "browser.safebrowsing.downloads.remote.enabled" = false;
+  "browser.safebrowsing.appRepURL" = "";
+  "browser.safebrowsing.malware.enabled" = false;
+  # Disable malware scan
+  # The malware scan sends an unique identifier for each downloaded file to Google.
+  # "browser.safebrowsing.appRepURL" = ""; (Repeated from google safebrowsing)
+  # "browser.safebrowsing.malware.enabled" = false; (Repeated from google safebrowsing)
+  # Disable DNS over HTTPS
+  # DNS over HTTP (DoH), aka. Trusted Recursive Resolver (TRR)
+  # (https://wiki.mozilla.org/Trusted_Recursive_Resolver), uses a server run by
+  # Cloudflare to resolve hostnames, even when the system uses another (normal) DNS
+  # server. This setting disables it and sets the mode to explicit opt-out (5).
+  "network.trr.mode" = 5;
+  # Disable preloading of the new tab page.
+  # By default Firefox preloads the new tab page (with website thumbnails) in the
+  # background before it is even opened.
+  "browser.newtab.preload" = false;
+  # Disable about:addons' Get Add-ons panel
+  # The start page with recommended addons uses google analytics.
+  "extensions.getAddons.showPane" = false;
+  "extensions.webservice.discoverURL" = "";
+  # Disable check for captive portal.
+  # By default, Firefox checks for the presence of a captive portal on every
+  # startup.  This involves traffic to Akamai
+  # (https://support.mozilla.org/questions/1169302).
+  "network.captive-portal-service.enabled" = false;
+  # Disables playback of DRM-controlled HTML5 content
+  # if enabled, automatically downloads the Widevine Content Decryption Module
+  # provided by Google Inc. Details
+  # (https://support.mozilla.org/en-US/kb/enable-drm#w_opt-out-of-cdm-playback-uninstall-cdms-and-stop-all-cdm-downloads)
+  "media.eme.enabled" = false;
+  # Disables the Widevine Content Decryption Module provided by Google Inc.
+  # Used for the playback of DRM-controlled HTML5 content Details
+  # (https://support.mozilla.org/en-US/kb/enable-drm#w_disable-the-google-widevine-cdm-without-uninstalling)
+  "media.gmp-widevinecdm.enabled" = false;
+  # Disable access to device sensor data
+  # Disallow websites to access sensor data (ambient light, motion, device
+  # orientation and proximity data).
+  "device.sensors.ambientLight.enabled" = false;
+  "device.sensors.enabled" = false;
+  "device.sensors.motion.enabled" = false;
+  "device.sensors.orientation.enabled" = false;
+  "device.sensors.proximity.enabled" = false;
+  # Disable Firefox Suggest
+  # The Firefox Suggest
+  # (https://support.mozilla.org/en-US/kb/navigate-web-faster-firefox-suggest)
+  # feature allows Mozilla to provide search suggestions in the US, which uses your
+  # city location and search keywords to send suggestions. This is also used to
+  # serve advertisements.
+  "browser.urlbar.groupLabels.enabled" = false;
+  "browser.urlbar.quicksuggest.enabled" = false;
+  # Disable Javascript in PDF viewer
+  # Disables executing of JavaScript in the PDF form viewer. It is possible that
+  # some PDFs are not rendered correctly due to missing functions.
+  "pdfjs.enableScripting" = true;
+}
diff --git a/home-manager/firefox/config/privacy.nix b/home-manager/firefox/config/privacy.nix
new file mode 100644
index 0000000..3e04d74
--- /dev/null
+++ b/home-manager/firefox/config/privacy.nix
@@ -0,0 +1,96 @@
+{
+  # Fake another Useragent
+  # Using a popular useragent string
+  # (https://techblog.willshouse.com/2012/01/03/most-common-user-agents/) avoids
+  # attracting attention i.e. with an Iceweasel UA. (keep blank to use the default)
+
+  # Block Cookies
+  # Block 3rd-Party cookies or even all cookies.
+  "network.cookie.cookieBehavior" = 1;
+  # Block Referer
+  # Firefox tells a website, from which site you're coming (the so called RefControl
+  # (http://kb.mozillazine.org/Network.http.sendRefererHeader">referer</a>). You can
+  # find more detailed settings in this <a
+  # href="http://www.ghacks.net/2015/01/22/improve-online-privacy-by-controlling-referrer-information/">ghacks
+  # article</a> or install the <a
+  # href="https://addons.mozilla.org/firefox/addon/refcontrol/) extension for per
+  # domain settings.
+  "network.http.referer.spoofSource" = true;
+  # Disable DOM storage
+  # Disables DOM storage, which enables so called "supercookies". Some modern sites
+  # will not work (i.e. missing "save" functions).
+  "dom.storage.enabled" = true;
+  # Disable IndexedDB (breaks things)
+  # abused for tracking (http://www.w3.org/TR/IndexedDB/">IndexedDB</a> is a way,
+  # websites can store structured data. This can be <a
+  # href="http://arstechnica.com/apple/2010/09/rldguid-tracking-cookies-in-safari-database-form/),
+  # too. Disabling causes problems when sites depend on it like Tweetdeck or Reddit
+  # and extensions that use it to store their data. Some users reported crashing
+  # tabs when IndexedDB is disabled. Only disable it, when you know what you're
+  # doing.
+  "dom.indexedDB.enabled" = true;
+  # Disable the Offline Cache.
+  # Websites can store up to 500 MB of data in an offline cache
+  # (http://kb.mozillazine.org/Browser.cache.offline.enable), to be able to run even
+  # when there is no working internet connection. This could possibly be used to
+  # store an user id.
+  "browser.cache.offline.enable" = false;
+  # Sessionstore Privacy
+  # This preference controls when to store extra information about a session:
+  # contents of forms, scrollbar positions, cookies, and POST data.
+  "browser.sessionstore.privacy_level" = 2;
+  # Disable Link Prefetching
+  # Firefox prefetches the next site on some links, so the site is loaded even when
+  # you never click.
+  "network.prefetch-next" = false;
+  "network.dns.disablePrefetch" = true;
+  "network.dns.disablePrefetchFromHTTPS" = true;
+  "network.predictor.enabled" = false;
+  "network.predictor.enable-prefetch" = false;
+  # Disable speculative website loading.
+  # In some situations Firefox already starts loading web pages when the mouse
+  # pointer is over a link, i. e. before you actually click. This is to speed up the
+  # loading of web pages by a few milliseconds.
+  "network.http.speculative-parallel-limit" = 0;
+  "browser.urlbar.speculativeConnect.enabled" = false;
+  # Use a private container for new tab page thumbnails
+  # Load the pages displayed on the new tab page in a private container when
+  # creating thumbnails.
+  "privacy.usercontext.about_newtab_segregation.enabled" = true;
+  # Disable WebGL
+  # Disables the WebGL function, to prevent (ab)use the full power of the graphics
+  # card (http://www.uniquemachine.org/">fingerprinting with WebGL</a>. Another
+  # issue is, that websites can <a
+  # href="https://isc.sans.edu/forums/diary/Time+to+disable+WebGL/10867). WebGL is
+  # part of some fingerprinting scripts used in the wild. Some interactive websites
+  # will not work, which are mostly games.
+  "webgl.disabled" = true;
+  # Override graphics card vendor and model strings in the WebGL API
+  # Websites can read the graphics card vendor and model using a WebGL API. This
+  # setting overrides both with " " without disabling WebGL.
+  "webgl.renderer-string-override" = " ";
+  "webgl.vendor-string-override" = " ";
+  # Disable WebRTC
+  # Disables the WebRTC function, which gives away your local ips. Some addons like
+  # uBlock origin provide settings to prevent WebRTC from exposing local ips without
+  # disabling WebRTC.
+  "media.peerconnection.enabled" = false;
+  # Disable the clipboardevents.
+  # Disable that websites can get notifications if you copy, paste, or cut something
+  # from a web page, and it lets them know which part of the page had been selected.
+  "dom.event.clipboardevents.enabled" = false;
+  # Disable Search Suggestions
+  # Firefox suggests search terms in the search field. This will send everything
+  # typed or pasted in the search field to the chosen search engine, even when you
+  # did not press enter.
+  "browser.search.suggest.enabled" = true;
+  # Disable Search Keyword
+  # When you mistype some url, Firefox starts a search even from urlbar. This
+  # feature is useful for quick searching, but may harm your privacy, when it's
+  # unintended.
+  "keyword.enabled" = true;
+  # Disable Fixup URLs
+  # When you type "something" in the urlbar and press enter, Firefox tries
+  # "something.com", if Fixup URLs is enabled.
+  "browser.fixup.alternate.enabled" = true;
+}
diff --git a/home-manager/firefox/config/security.nix b/home-manager/firefox/config/security.nix
new file mode 100644
index 0000000..5515196
--- /dev/null
+++ b/home-manager/firefox/config/security.nix
@@ -0,0 +1,25 @@
+{
+  # Disable automatic updates.
+  # Updates are no longer installed automatically. You will still be notified when
+  # an update is available and can install it. Avoids getting a new (maybe addon
+  # incompatible) version.
+  "app.update.auto" = false;
+
+  # Disable searching for updates.
+  # Disable searching for updates. This only works with the enterprise policy
+  # download..
+
+  # Disable extension blocklist from mozilla.
+  # The extension blocklist (https://blocked.cdn.mozilla.net/) is used by mozilla to
+  # deactivate individual addons in the browser, but as a side effect it gives
+  # mozilla the ultimate control to disable any extension. <b>Caution:</b> When you
+  # disable the blocklist, you may keep using known malware addons.
+  "extensions.blocklist.enabled" = false;
+  # Enable HTTPS only mode
+  # If enabled, allows connections only to sites that use the HTTPS protocol.
+  "dom.security.https_only_mode" = true;
+  "dom.security.https_only_mode_ever_enabled" = true;
+  # Show Punycode.
+  # This helps to protect against possible character spoofing.
+  "network.IDN_show_punycode" = true;
+}
diff --git a/home-manager/firefox/config/tracking.nix b/home-manager/firefox/config/tracking.nix
new file mode 100644
index 0000000..9271896
--- /dev/null
+++ b/home-manager/firefox/config/tracking.nix
@@ -0,0 +1,69 @@
+{
+  # Enable Do-not-Track
+  # With the do not track feature, you tell websites, that you do not want to be
+  # tracked. Most websites ignore this, so you need other privacy options as well.
+  "privacy.donottrackheader.enabled" = true;
+  "privacy.donottrackheader.value" = 1;
+  # Enable resistFingerprinting
+  # The <code>privacy.resistFingerprinting</code> setting coming from the
+  # tor-browser hides some system properties. See discussion in our bug tracker.
+  # (https://bugzilla.mozilla.org/show_bug.cgi?id=1308340">Bug #1308340</a> for more
+  # information. This option may interfere with other privacy related settings, see
+  # the <a
+  # href="https://github.com/allo-/firefox-profilemaker/issues/56#issuecomment-333397712)
+  "privacy.resistFingerprinting" = false;
+  # Enable Mozilla Trackingprotection
+  # Firefox has a builtin tracking protection
+  # (https://wiki.mozilla.org/Security/Tracking_protection), which blocks a list of
+  # known tracking sites.
+  "privacy.trackingprotection.pbmode.enabled" = true;
+  "privacy.trackingprotection.enabled" = true;
+  "privacy.trackingprotection.fingerprinting.enabled" = true;
+  "privacy.trackingprotection.cryptomining.enabled" = true;
+  # Enable firstparty isolation.
+  # FPI works by separating cookies on a per-domain basis. In this way tracking
+  # networks won't be able to locate the same cookie on different sites. Note that
+  # this might break third-party logins.
+  "privacy.firstparty.isolate" = false;
+  # Disable Browser Pings
+  # Firefox sends "ping" requests (http://kb.mozillazine.org/Browser.send_pings),
+  # when a website requests to be informed when a user clicks on a link.
+  "browser.send_pings" = false;
+  # Disable TLS session identifiers
+  # TLS allows for session identifiers, which speed up the session resumption when a
+  # connection was lost. These identifiers can be used for tracking
+  # (https://youbroketheinternet.org/trackedanyway).
+  "security.ssl.disable_session_identifiers" = true;
+  # Disable Beacons
+  # The Beacon (https://w3c.github.io/beacon/) feature allows websites to send
+  # tracking data after you left the website.
+  "beacon.enabled" = false;
+  # Disable the Battery API
+  # Firefox allows websites to read the charge level of the battery. This may be
+  # used for fingerprinting.
+  "dom.battery.enabled" = false;
+  # Disable media device queries
+  # Prevent websites from accessing information about webcam and microphone
+  # (https://developer.mozilla.org/docs/Web/API/MediaDevices/enumerateDevices)
+  # (possible fingerprinting).
+  "media.navigator.enabled" = false;
+  # Disable form autofill
+  # Automatically filled form fields are used for fingerprinting
+  # (https://freedom-to-tinker.com/2017/12/27/no-boundaries-for-user-identities-web-trackers-exploit-browser-login-managers/).
+  # This setting disables automatic form filling until you click on the field.
+  "signon.autofillForms" = false;
+  # Disable webaudio API
+  # Disable webaudio API to prevent browser fingerprinting. See Mozilla Bug #1288359
+  # (https://bugzilla.mozilla.org/show_bug.cgi?id=1288359). This can break web apps,
+  # like Discord, which rely on the API.
+  "dom.webaudio.enabled" = false;
+  # Disable video statistics
+  # Prevent websites from measuring video performance (possible fingerprinting). See
+  # Mozilla Bug 654550 (https://bugzilla.mozilla.org/show_bug.cgi?id=654550).
+  "media.video_stats.enabled" = false;
+  # Enable query parameter stripping
+  # Firefox 102 introduced query parameter stripping like utm_source. Enabled by
+  # default with Strict Enhanced Tracking Protection.
+  "privacy.query_stripping" = true;
+
+}
diff --git a/home-manager/firefox/default.nix b/home-manager/firefox/default.nix
new file mode 100644
index 0000000..6211a11
--- /dev/null
+++ b/home-manager/firefox/default.nix
@@ -0,0 +1,56 @@
+{ pkgs, lib, ... }:
+let merge = lib.foldr (a: b: a // b) { };
+in {
+  programs.firefox = {
+    enable = true;
+    package = if pkgs.stdenv.isLinux then pkgs.firefox else pkgs.firefox-bin;
+    profiles = {
+      default = {
+        name = "privacy-friendly";
+        settings = merge [
+          (import ./config/annoyances.nix)
+          (import ./config/browser-features.nix)
+          (import ./config/privacy.nix)
+          (import ./config/tracking.nix)
+          (import ./config/security.nix)
+        ];
+        extensions = with pkgs.nur.repos.rycee.firefox-addons; [
+          clearurls
+          darkreader
+          #df-youtube
+          #facebook-container
+          #octotree
+          #okta-browser-plugin
+          #onepassword-password-manager
+          #plasma-integration
+          #return-youtube-dislikes
+          sponsorblock
+          ublock-origin
+          #vimium
+        ];
+      };
+      # This does not have as strict privacy settings as the default profile.
+      # It uses the default firefox settings. Useful when something is not
+      # working using the default profile
+      shit = {
+        name = "trade-privacy-for-convenience";
+        id = 1;
+        settings = merge [ (import ./config/annoyances.nix) ];
+        extensions = with pkgs.nur.repos.rycee.firefox-addons; [
+          clearurls
+          darkreader
+          #df-youtube
+          #facebook-container
+          #octotree
+          #okta-browser-plugin
+          #onepassword-password-manager
+          #plasma-integration
+          #return-youtube-dislikes
+          sponsorblock
+          ublock-origin
+          #vimium
+        ];
+      };
+    };
+  };
+}
diff --git a/users/kopatz/home.nix b/users/kopatz/home.nix
index af570a6..e3711f5 100644
--- a/users/kopatz/home.nix
+++ b/users/kopatz/home.nix
@@ -23,6 +23,7 @@
     ../../home-manager/kitty.nix
     ../../home-manager/rofi.nix
     ../../home-manager/kde-path.nix
+    ../../home-manager/firefox
     #../../home-manager/syncthing.nix
     inputs.nix-colors.homeManagerModule
   ];