{
  pkgs,
  ...
}:
{
  programs.librewolf = {
    enable = true;
    languagePacks = [ "en-GB" ];
    profiles.will = {
      settings = {
        # keep-sorted start
        "browser.aboutwelcome.enabled" = false;
        "browser.bookmarks.addedImportButton" = false;
        "browser.bookmarks.restore_default_bookmarks" = false;
        "browser.download.useDownloadDir" = true;
        "browser.newtabpage.enabled" = false;
        "browser.safebrowsing.downloads.enabled" = false;
        "browser.safebrowsing.malware.enabled" = false;
        "browser.safebrowsing.phishing.enabled" = false;
        "browser.safebrowsing.remote.block_potentially_unwanted" = false;
        "browser.safebrowsing.remote.block_uncommon" = false;
        "browser.search.suggest.enabled" = false;
        "browser.startup.homepage" = "chrome://browser/content/blanktab.html";
        "browser.startup.page" = 3;
        "browser.tabs.groups.smart.userEnabled" = false;
        "browser.tabs.warnOnClose" = true;
        "browser.tabs.warnOnOpen" = false;
        "browser.toolbars.bookmarks.visibility" = "never";
        "browser.urlbar.suggest.searches" = false;
        "datareporting.healthreport.uploadEnabled" = false;
        "datareporting.usage.uploadEnabled" = false;
        "dom.security.https_only_mode" = true;
        "dom.security.https_only_mode_ever_enabled" = true;
        "extensions.formautofill.creditCards.enabled" = false;
        "general.autoScroll" = true;
        "identity.fxaccounts.enabled" = true;
        "intl.locale.requested" = "en-GB";
        "network.trr.mode" = 3;
        "network.trr.uri" = "https://firefox.dns.nextdns.io/";
        "privacy.annotate_channels.strict_list.enabled" = true;
        "privacy.bounceTrackingProtection.mode" = 1;
        "privacy.fingerprintingProtection" = true;
        "privacy.globalprivacycontrol.enabled" = true;
        "privacy.globalprivacycontrol.was_ever_enabled" = true;
        "privacy.history.custom" = false;
        "privacy.query_stripping.enabled " = true;
        "privacy.query_stripping.enabled.pbmode" = true;
        "privacy.sanitize.sanitizeOnShutdown" = false;
        "privacy.trackingprotection.allow_list.baseline.enabled" = true;
        "privacy.trackingprotection.allow_list.convenience.enabled" = false;
        "privacy.trackingprotection.consentmanager.skip.pbmode.enabled" = false;
        "privacy.trackingprotection.emailtracking.enabled" = true;
        "privacy.trackingprotection.enabled" = true;
        "privacy.trackingprotection.socialtracking.enabled" = true;
        "services.sync.engine.passwords" = false;
        "sidebar.main.tools" = "syncedtabs,history,bookmarks";
        "sidebar.new-sidebar.has-used" = true;
        "sidebar.position_start" = false;
        "sidebar.revamp" = true;
        "sidebar.verticalTabs" = true;
        "sidebar.verticalTabs.dragToPinPromo.dismissed" = true;
        "signon.autofillForms" = false;
        "signon.firefoxRelay.feature" = "disabled";
        "signon.generation.enabled" = false;
        "signon.management.page.breach-alerts.enabled" = false;
        "signon.rememberSignons" = false;
        "toolkit.telemetry.reportingpolicy.firstRun" = false;
        # keep-sorted end
      };
      search = {
        default = "ddg";
        privateDefault = "ddg";
        engines = { };
        order = [ ];
        force = true;
      };
      extensions = {
        force = true;
        packages = with pkgs.nur.repos.rycee.firefox-addons; [
          # keep-sorted start sticky_comments=no
          # detect-cloudflare
          bitwarden
          dearrow
          nixpkgs-pr-tracker
          react-devtools
          return-youtube-dislikes
          sponsorblock
          ublock-origin
          # keep-sorted end
        ];
        settings = {
          # keep-sorted start block=yes
          # sponsorblock
          "sponsorBlocker@ajay.app".settings = {
            hideSegmentCreationInPopup = false;
            autoSkipOnMusicVideosUpdate = true;
            changeChapterColor = true;
            autoSkipOnMusicVideos = false;
            hideVideoPlayerControls = false;
            useVirtualTime = true;
            categoryPillColors = { };
            payments = {
              chaptersAllowed = false;
              freeAccess = false;
              lastCheck = 0;
              lastFreeCheck = 0;
              licenseKey = null;
            };
            allowExpirements = true;
            allowScrollingToEdit = true;
            audioNotificationOnSkip = false;
            autoHideInfoButton = true;
            categoryPillUpdate = true;
            chapterCategoryAdded = true;
            checkForUnlistedVideos = false;
            cleanPopup = false;
            darkMode = true;
            deArrowInstalled = true;
            defaultCategory = "chooseACategory";
            disableSkipping = false;
            donateClicked = 0;
            dontShowNotice = false;
            forceChannelCheck = false;
            fullVideoLabelsOnThumbnails = true;
            fullVideoSegments = true;
            hideDeleteButtonPlayerControls = false;
            hideDiscordLaunches = 0;
            hideDiscordLink = false;
            hideInfoButtonPlayerControls = false;
            hideSkipButtonPlayerControls = false;
            hideUploadButtonPlayerControls = false;
            categorySelections = [
              {
                name = "sponsor";
                option = 2;
              }
              {
                name = "poi_highlight";
                option = 1;
              }
              {
                name = "exclusive_access";
                option = 0;
              }
              {
                name = "chapter";
                option = 0;
              }
              {
                name = "selfpromo";
                option = 1;
              }
              {
                name = "interaction";
                option = 1;
              }
              {
                name = "intro";
                option = 1;
              }
              {
                name = "outro";
                option = 1;
              }
              {
                name = "preview";
                option = 1;
              }
              {
                name = "filler";
                option = 1;
              }
              {
                name = "music_offtopic";
                option = 2;
              }
              {
                name = "hook";
                option = 1;
              }
            ];
            manualSkipOnFullVideo = false;
            minDuration = 0;
            isVip = false;
            muteSegments = false;
            noticeVisibilityMode = 3;
            renderSegmentsAsChapters = false;
            scrollToEditTimeUpdate = false;
            serverAddress = "https://sponsor.ajay.app";
            showAutogeneratedChapters = false;
            showCategoryGuidelines = true;
            showCategoryWithoutPermission = false;
            showChapterInfoMessage = true;
            showDeArrowInSettings = true;
            showDeArrowPromotion = true;
            showDonationLink = false;
            showNewFeaturePopups = false;
            showSegmentFailedToFetchWarning = true;
            showSegmentNameInChapterBar = true;
            showTimeWithSkips = true;
            showUpcomingNotice = false;
            showUpsells = false;
            minutesSaved = 67.630516;
            shownDeArrowPromotion = false;
            showZoomToFillError2 = false;
            skipNoticeDuration = 4;
            sponsorTimesContributed = 0;
            testingServer = false;
            trackDownvotes = false;
            trackDownvotesInPrivate = false;
            trackViewCount = false;
            trackViewCountInPrivate = false;
            ytInfoPermissionGranted = false;
            skipNonMusicOnlyOnYoutubeMusic = false;
            hookUpdate = false;
            permissions = {
              sponsor = true;
              selfpromo = true;
              exclusive_access = true;
              interaction = true;
              intro = true;
              outro = true;
              preview = true;
              hook = true;
              music_offtopic = true;
              filler = true;
              poi_highlight = true;
              chapter = false;
            };
            segmentListDefaultTab = 0;
            prideTheme = false;
          };
          # ublock-origin
          "uBlock0@raymondhill.net".settings = {
            advancedUserEnabled = true;
            selectedFilterLists = [
              "user-filters"
              "ublock-filters"
              "ublock-badware"
              "ublock-privacy"
              "ublock-quick-fixes"
              "ublock-unbreak"
              "easylist"
              "easyprivacy"
              "adguard-spyware-url"
              "urlhaus-1"
              "plowe-0"
            ];
          };
          # keep-sorted end
        };
      };
    };
  };
}