/*** This will reset the preferences that have been - removed from the arkenfox user.js - deprecated by Mozilla but listed in the arkenfox user.js in the past Last updated: 11-December-2021 Instructions: - [optional] close Firefox and backup your profile - [optional] disable your network connection [1] - start Firefox - load about:config and press Ctrl+Shift+K to open the Web Console for about:config - using about:config is important, so the script has the right permissions - paste this script - if you edited the list of prefs in the script, make sure the last pref does not have a trailing comma - hit enter - check the Info output to see which prefs were reset - restart - some prefs require a restart - a restart will reapply your user.js - [optional] re-enable your network connection [1] Blocking Firefox from the internet ensures it cannot act on your reset preferences in the period before you restart it, such as app and extension auto-updating, or downloading unwanted components (GMP etc). It depends on what you're resetting and how long before you restart. ***/ (() => { if ('undefined' === typeof(Services)) return alert('about:config needs to be the active tab!'); const aPREFS = [ /* DEPRECATED */ /* FF92+ */ 'browser.urlbar.suggest.quicksuggest', // 95 'layout.css.font-visibility.level', // 94 'security.ssl3.rsa_des_ede3_sha', // 93 /* FF79-91 */ 'browser.cache.offline.storage.enable', 'browser.download.hide_plugins_without_extensions', 'browser.library.activity-stream.enabled', 'browser.search.geoSpecificDefaults', 'browser.search.geoSpecificDefaults.url', 'dom.ipc.plugins.flash.subprocess.crashreporter.enabled', 'dom.ipc.plugins.reportCrashURL', 'dom.w3c_pointer_events.enabled', 'intl.charset.fallback.override', 'network.ftp.enabled', 'plugin.state.flash', 'security.mixed_content.block_object_subrequest', 'security.ssl.errorReporting.automatic', 'security.ssl.errorReporting.enabled', 'security.ssl.errorReporting.url', /* 69-78 */ 'browser.newtabpage.activity-stream.telemetry.ping.endpoint', 'browser.tabs.remote.allowLinkedWebInFileUriProcess', 'browser.urlbar.oneOffSearches', 'devtools.webide.autoinstallADBExtension', 'devtools.webide.enabled', 'dom.indexedDB.enabled', 'extensions.blocklist.url', 'geo.wifi.logging.enabled', 'geo.wifi.uri', 'gfx.downloadable_fonts.woff2.enabled', 'media.autoplay.allow-muted', 'media.autoplay.enabled.user-gestures-needed', 'offline-apps.allow_by_default', 'plugins.click_to_play', 'privacy.userContext.longPressBehavior', 'toolkit.cosmeticAnimations.enabled', 'toolkit.telemetry.hybridContent.enabled', 'webgl.disable-extensions', /* 61-68 */ 'app.update.enabled', 'browser.aboutHomeSnippets.updateUrl', 'browser.chrome.errorReporter.enabled', 'browser.chrome.errorReporter.submitUrl', 'browser.chrome.favicons', 'browser.ctrlTab.previews', 'browser.fixup.hide_user_pass', 'browser.newtabpage.activity-stream.asrouter.userprefs.cfr', 'browser.newtabpage.activity-stream.disableSnippets', 'browser.onboarding.enabled', 'browser.search.countryCode', 'browser.urlbar.autocomplete.enabled', 'devtools.webide.adbAddonURL', 'devtools.webide.autoinstallADBHelper', 'dom.event.highrestimestamp.enabled', 'experiments.activeExperiment', 'experiments.enabled', 'experiments.manifest.uri', 'experiments.supported', 'lightweightThemes.update.enabled', 'media.autoplay.enabled', 'network.allow-experiments', 'network.cookie.lifetime.days', 'network.jar.block-remote-files', 'network.jar.open-unsafe-types', 'plugin.state.java', 'security.csp.enable_violation_events', 'security.csp.experimentalEnabled', 'shield.savant.enabled', /* 60 or earlier */ 'browser.bookmarks.showRecentlyBookmarked', 'browser.casting.enabled', 'browser.crashReports.unsubmittedCheck.autoSubmit', 'browser.formautofill.enabled', 'browser.formfill.saveHttpsForms', 'browser.fullscreen.animate', 'browser.history.allowPopState', 'browser.history.allowPushState', 'browser.history.allowReplaceState', 'browser.newtabpage.activity-stream.enabled', 'browser.newtabpage.directory.ping', 'browser.newtabpage.directory.source', 'browser.newtabpage.enhanced', 'browser.newtabpage.introShown', 'browser.pocket.api', 'browser.pocket.enabled', 'browser.pocket.oAuthConsumerKey', 'browser.pocket.site', 'browser.polaris.enabled', 'browser.safebrowsing.appRepURL', 'browser.safebrowsing.enabled', 'browser.safebrowsing.gethashURL', 'browser.safebrowsing.malware.reportURL', 'browser.safebrowsing.provider.google.appRepURL', 'browser.safebrowsing.reportErrorURL', 'browser.safebrowsing.reportGenericURL', 'browser.safebrowsing.reportMalwareErrorURL', 'browser.safebrowsing.reportMalwareMistakeURL', 'browser.safebrowsing.reportMalwareURL', 'browser.safebrowsing.reportPhishMistakeURL', 'browser.safebrowsing.reportURL', 'browser.safebrowsing.updateURL', 'browser.search.showOneOffButtons', 'browser.selfsupport.enabled', 'browser.selfsupport.url', 'browser.sessionstore.privacy_level_deferred', 'browser.tabs.animate', 'browser.trackingprotection.gethashURL', 'browser.trackingprotection.updateURL', 'browser.urlbar.unifiedcomplete', 'browser.usedOnWindows10.introURL', 'camera.control.autofocus_moving_callback.enabled', 'camera.control.face_detection.enabled', 'datareporting.healthreport.about.reportUrl', 'datareporting.healthreport.about.reportUrlUnified', 'datareporting.healthreport.documentServerURI', 'datareporting.healthreport.service.enabled', 'datareporting.policy.dataSubmissionEnabled.v2', 'devtools.webide.autoinstallFxdtAdapters', 'dom.archivereader.enabled', 'dom.beforeAfterKeyboardEvent.enabled', 'dom.disable_image_src_set', 'dom.disable_window_open_feature.scrollbars', 'dom.disable_window_status_change', 'dom.enable_user_timing', 'dom.flyweb.enabled', 'dom.idle-observers-api.enabled', 'dom.keyboardevent.code.enabled', 'dom.network.enabled', 'dom.push.udp.wakeupEnabled', 'dom.telephony.enabled', 'dom.vr.oculus050.enabled', 'dom.workers.enabled', 'dom.workers.sharedWorkers.enabled', 'extensions.formautofill.experimental', 'extensions.screenshots.system-disabled', 'extensions.shield-recipe-client.api_url', 'extensions.shield-recipe-client.enabled', 'full-screen-api.approval-required', 'general.useragent.locale', 'geo.security.allowinsecure', 'intl.locale.matchOS', 'loop.enabled', 'loop.facebook.appId', 'loop.facebook.enabled', 'loop.facebook.fallbackUrl', 'loop.facebook.shareUrl', 'loop.feedback.formURL', 'loop.feedback.manualFormURL', 'loop.logDomains', 'loop.server', 'media.block-play-until-visible', 'media.eme.apiVisible', 'media.eme.chromium-api.enabled', 'media.getusermedia.screensharing.allow_on_old_platforms', 'media.getusermedia.screensharing.allowed_domains', 'media.gmp-eme-adobe.autoupdate', 'media.gmp-eme-adobe.enabled', 'media.gmp-eme-adobe.visible', 'network.http.referer.userControlPolicy', 'network.http.sendSecureXSiteReferrer', 'network.http.spdy.enabled.http2draft', 'network.http.spdy.enabled.v3-1', 'network.websocket.enabled', 'pageThumbs.enabled', 'pfs.datasource.url', 'plugin.scan.Acrobat', 'plugin.scan.Quicktime', 'plugin.scan.WindowsMediaPlayer', 'plugins.enumerable_names', 'plugins.update.notifyUser', 'plugins.update.url', 'privacy.clearOnShutdown.passwords', 'privacy.donottrackheader.value', 'security.mixed_content.send_hsts_priming', 'security.mixed_content.use_hsts', 'security.ssl3.ecdhe_ecdsa_rc4_128_sha', 'security.ssl3.ecdhe_rsa_rc4_128_sha', 'security.ssl3.rsa_rc4_128_md5', 'security.ssl3.rsa_rc4_128_sha', 'security.tls.insecure_fallback_hosts.use_static_list', 'security.tls.unrestricted_rc4_fallback', 'security.xpconnect.plugin.unrestricted', 'social.directories', 'social.enabled', 'social.remote-install.enabled', 'social.share.activationPanelEnabled', 'social.shareDirectory', 'social.toast-notifications.enabled', 'social.whitelist', 'toolkit.telemetry.unifiedIsOptIn', /* REMOVED */ /* 92+ */ 'dom.caches.enabled', 'dom.storageManager.enabled', 'dom.storage_access.enabled', 'privacy.firstparty.isolate.block_post_message', 'privacy.firstparty.isolate.restrict_opener_access', 'privacy.firstparty.isolate.use_site', /* 79-91 */ 'alerts.showFavicons', 'browser.newtabpage.activity-stream.asrouter.providers.snippets', 'browser.send_pings.require_same_host', 'browser.urlbar.usepreloadedtopurls.enabled', 'dom.allow_cut_copy', 'dom.battery.enabled', 'dom.IntersectionObserver.enabled', 'dom.storage.enabled', 'dom.vibrator.enabled', 'extensions.screenshots.upload-disabled', 'general.warnOnAboutConfig', 'gfx.direct2d.disabled', 'layers.acceleration.disabled', 'media.getusermedia.audiocapture.enabled', 'media.getusermedia.browser.enabled', 'media.getusermedia.screensharing.enabled', 'media.gmp-widevinecdm.visible', 'media.media-capabilities.enabled', 'network.http.redirection-limit', 'privacy.partition.network_state', 'security.insecure_connection_icon.enabled', 'security.mixed_content.block_active_content', 'security.ssl.enable_ocsp_stapling', 'security.ssl3.dhe_rsa_aes_128_sha', 'security.ssl3.dhe_rsa_aes_256_sha', 'webgl.min_capability_mode', /* 69-78 */ 'browser.cache.disk_cache_ssl', 'browser.search.geoip.url', 'browser.search.region', 'browser.sessionhistory.max_entries', 'dom.push.connection.enabled', 'dom.push.serverURL', 'extensions.getAddons.discovery.api_url', 'extensions.htmlaboutaddons.discover.enabled', 'extensions.webservice.discoverURL', 'intl.locale.requested', 'intl.regional_prefs.use_os_locales', 'media.block-autoplay-until-in-foreground', 'middlemouse.paste', 'plugin.sessionPermissionNow.intervalInMinutes', 'privacy.usercontext.about_newtab_segregation.enabled', 'security.insecure_connection_icon.pbmode.enabled', 'security.insecure_connection_text.pbmode.enabled', 'webgl.dxgl.enabled', /* 61-68 */ 'app.update.service.enabled', 'app.update.silent', 'app.update.staging.enabled', 'browser.cache.disk.capacity', 'browser.cache.disk.smart_size.enabled', 'browser.cache.disk.smart_size.first_run', 'browser.cache.offline.insecure.enable', 'browser.contentblocking.enabled', 'browser.eme.ui.enabled', 'browser.laterrun.enabled', 'browser.offline-apps.notify', 'browser.rights.3.shown', 'browser.safebrowsing.blockedURIs.enabled', 'browser.safebrowsing.downloads.remote.block_dangerous', 'browser.safebrowsing.downloads.remote.block_dangerous_host', 'browser.safebrowsing.provider.google.gethashURL', 'browser.safebrowsing.provider.google.reportMalwareMistakeURL', 'browser.safebrowsing.provider.google.reportPhishMistakeURL', 'browser.safebrowsing.provider.google.reportURL', 'browser.safebrowsing.provider.google.updateURL', 'browser.safebrowsing.provider.google4.dataSharing.enabled', 'browser.safebrowsing.provider.google4.dataSharingURL', 'browser.safebrowsing.provider.google4.gethashURL', 'browser.safebrowsing.provider.google4.reportMalwareMistakeURL', 'browser.safebrowsing.provider.google4.reportPhishMistakeURL', 'browser.safebrowsing.provider.google4.reportURL', 'browser.safebrowsing.provider.google4.updateURL', 'browser.safebrowsing.provider.mozilla.gethashURL', 'browser.safebrowsing.provider.mozilla.updateURL', 'browser.safebrowsing.reportPhishURL', 'browser.sessionhistory.max_total_viewers', 'browser.sessionstore.max_windows_undo', 'browser.slowStartup.maxSamples', 'browser.slowStartup.notificationDisabled', 'browser.slowStartup.samples', 'browser.storageManager.enabled', 'browser.urlbar.autoFill.typed', 'browser.urlbar.filter.javascript', 'browser.urlbar.maxHistoricalSearchSuggestions', 'browser.urlbar.userMadeSearchSuggestionsChoice', 'canvas.capturestream.enabled', 'dom.allow_scripts_to_close_windows', 'dom.disable_window_flip', 'dom.forms.datetime', 'dom.imagecapture.enabled', 'dom.popup_maximum', 'extensions.webextensions.keepStorageOnUninstall', 'extensions.webextensions.keepUuidOnUninstall', 'font.blacklist.underline_offset', 'font.name.monospace.x-unicode', 'font.name.monospace.x-western', 'font.name.sans-serif.x-unicode', 'font.name.sans-serif.x-western', 'font.name.serif.x-unicode', 'font.name.serif.x-western', 'gfx.offscreencanvas.enabled', 'javascript.options.shared_memory', 'layout.css.font-loading-api.enabled', 'media.gmp-gmpopenh264.autoupdate', 'media.gmp-gmpopenh264.enabled', 'media.gmp-manager.updateEnabled', 'media.gmp-manager.url', 'media.gmp-manager.url.override', 'media.gmp-widevinecdm.autoupdate', 'media.gmp.trial-create.enabled', 'media.navigator.video.enabled', 'media.peerconnection.ice.tcp', 'media.peerconnection.identity.enabled', 'media.peerconnection.identity.timeout', 'media.peerconnection.turn.disable', 'media.peerconnection.use_document_iceservers', 'media.peerconnection.video.enabled', 'network.auth.subresource-img-cross-origin-http-auth-allow', 'network.cookie.leave-secure-alone', 'network.cookie.same-site.enabled', 'network.dnsCacheEntries', 'network.dnsCacheExpiration', 'network.http.fast-fallback-to-IPv4', 'network.proxy.autoconfig_url.include_path', 'offline-apps.quota.warn', 'pdfjs.enableWebGL', 'plugin.default.state', 'plugin.defaultXpi.state', 'plugin.scan.plid.all', 'privacy.trackingprotection.annotate_channels', 'privacy.trackingprotection.lower_network_priority', 'privacy.trackingprotection.pbmode.enabled', 'privacy.trackingprotection.ui.enabled', 'security.data_uri.block_toplevel_data_uri_navigations', 'security.insecure_field_warning.contextual.enabled', 'security.insecure_password.ui.enabled', 'security.tls.version.fallback-limit', 'services.blocklist.addons.collection', 'services.blocklist.gfx.collection', 'services.blocklist.onecrl.collection', 'services.blocklist.plugins.collection', 'services.blocklist.signing.enforced', 'services.blocklist.update_enabled', 'signon.autofillForms.http', 'signon.storeWhenAutocompleteOff', 'toolkit.telemetry.cachedClientID', 'urlclassifier.trackingTable', 'xpinstall.whitelist.required', /* 60 or lower */ 'browser.migrate.automigrate.enabled', 'browser.search.geoip.timeout', 'browser.search.reset.enabled', 'browser.search.reset.whitelist', 'browser.stopReloadAnimation.enabled', 'browser.tabs.insertRelatedAfterCurrent', 'browser.tabs.loadDivertedInBackground', 'browser.tabs.loadInBackground', 'browser.tabs.selectOwnerOnClose', 'browser.urlbar.clickSelectsAll', 'browser.urlbar.doubleClickSelectsAll', 'device.storage.enabled', 'dom.keyboardevent.dispatch_during_composition', 'dom.presentation.controller.enabled', 'dom.presentation.discoverable', 'dom.presentation.discovery.enabled', 'dom.presentation.enabled', 'dom.presentation.receiver.enabled', 'dom.presentation.session_transport.data_channel.enable', 'dom.vr.oculus.enabled', 'dom.vr.openvr.enabled', 'dom.vr.osvr.enabled', 'extensions.pocket.api', 'extensions.pocket.oAuthConsumerKey', 'extensions.pocket.site', 'general.useragent.compatMode.firefox', 'geo.wifi.xhr.timeout', 'gfx.layerscope.enabled', 'media.flac.enabled', 'media.mediasource.enabled', 'media.mediasource.mp4.enabled', 'media.mediasource.webm.audio.enabled', 'media.mediasource.webm.enabled', 'media.mp4.enabled', 'media.ogg.enabled', 'media.ogg.flac.enabled', 'media.opus.enabled', 'media.raw.enabled', 'media.wave.enabled', 'media.webm.enabled', 'media.webspeech.recognition.enable', 'media.wmf.amd.vp9.enabled', 'media.wmf.enabled', 'media.wmf.vp9.enabled', 'network.dns.blockDotOnion', 'network.stricttransportsecurity.preloadlist', 'security.block_script_with_wrong_mime', 'security.fileuri.strict_origin_policy', 'security.sri.enable', 'services.sync.enabled', 'ui.submenuDelay', 'webextensions.storage.sync.enabled', 'webextensions.storage.sync.serverURL', // excluding these e10 settings // 'browser.tabs.remote.autostart', // 'browser.tabs.remote.autostart.2', // 'browser.tabs.remote.force-enable', // 'browser.tabs.remote.separateFileUriProcess', // 'extensions.e10sBlocksEnabling', // 'extensions.webextensions.remote', // 'dom.ipc.processCount', // 'dom.ipc.shims.enabledWarnings', // 'dom.ipc.processCount.extension', // 'dom.ipc.processCount.file', // 'security.sandbox.content.level', // 'dom.ipc.plugins.sandbox-level.default', // 'dom.ipc.plugins.sandbox-level.flash', // 'security.sandbox.logging.enabled', /* IMPORTANT: last active pref must not have a trailing comma */ /* reset parrot: check your open about:config after running the script */ '_user.js.parrot' ]; console.clear(); let c = 0; for (const sPname of aPREFS) { if (Services.prefs.prefHasUserValue(sPname)) { Services.prefs.clearUserPref(sPname); if (!Services.prefs.prefHasUserValue(sPname)) { console.info('reset', sPname); c++; } else console.warn('failed to reset', sPname); } } focus(); const d = (c==1) ? ' pref' : ' prefs'; alert(c ? 'successfully reset ' + c + d + "\n\nfor details check the console" : 'nothing to reset'); return 'all done'; })();