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Last active September 19, 2025 12:36
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Firefox profile settings
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user.js
// https://github.com/yokoffing/Betterfox
/* You may copy+paste this file and use it as it is.
*
* If you make changes to your about:config while the program is running, the
* changes will be overwritten by the user.js when the application restarts.
*
* To make lasting changes to preferences, you will have to edit the user.js.
*/
/****************************************************************************
* Betterfox *
* "Ad meliora" *
* version: 142 *
* url: https://github.com/yokoffing/Betterfox *
****************************************************************************/
/****************************************************************************
* SECTION: FASTFOX *
****************************************************************************/
/** GENERAL ***/
user_pref("content.notify.interval", 100000);
/** GFX ***/
user_pref("gfx.canvas.accelerated.cache-size", 512);
user_pref("gfx.content.skia-font-cache-size", 20);
/** DISK CACHE ***/
user_pref("browser.cache.disk.enable", false);
/** MEMORY CACHE ***/
user_pref("browser.sessionhistory.max_total_viewers", 4);
/** MEDIA CACHE ***/
user_pref("media.memory_cache_max_size", 65536);
user_pref("media.cache_readahead_limit", 7200);
user_pref("media.cache_resume_threshold", 3600);
/** IMAGE CACHE ***/
user_pref("image.mem.decode_bytes_at_a_time", 32768);
/** NETWORK ***/
user_pref("network.http.max-connections", 1800);
user_pref("network.http.max-persistent-connections-per-server", 10);
user_pref("network.http.max-urgent-start-excessive-connections-per-host", 5);
user_pref("network.http.pacing.requests.enabled", false);
user_pref("network.dnsCacheExpiration", 3600);
user_pref("network.ssl_tokens_cache_capacity", 10240);
/** SPECULATIVE LOADING ***/
user_pref("network.http.speculative-parallel-limit", 0);
user_pref("network.dns.disablePrefetch", true);
user_pref("network.dns.disablePrefetchFromHTTPS", true);
user_pref("browser.urlbar.speculativeConnect.enabled", false);
user_pref("browser.places.speculativeConnect.enabled", false);
user_pref("network.prefetch-next", false);
user_pref("network.predictor.enabled", false);
/** EXPERIMENTAL ***/
user_pref("layout.css.grid-template-masonry-value.enabled", true);
/****************************************************************************
* SECTION: SECUREFOX *
****************************************************************************/
/** TRACKING PROTECTION ***/
user_pref("browser.contentblocking.category", "strict");
user_pref("privacy.trackingprotection.allow_list.baseline.enabled", true);
user_pref("privacy.trackingprotection.allow_list.convenience.enabled", true);
user_pref("browser.download.start_downloads_in_tmp_dir", true);
user_pref("browser.helperApps.deleteTempFileOnExit", true);
user_pref("browser.uitour.enabled", false);
user_pref("privacy.globalprivacycontrol.enabled", true);
/** OCSP & CERTS / HPKP ***/
user_pref("security.OCSP.enabled", 0);
user_pref("security.pki.crlite_mode", 2);
user_pref("security.csp.reporting.enabled", false);
/** SSL / TLS ***/
user_pref("security.ssl.treat_unsafe_negotiation_as_broken", true);
user_pref("browser.xul.error_pages.expert_bad_cert", true);
user_pref("security.tls.enable_0rtt_data", false);
/** DISK AVOIDANCE ***/
user_pref("browser.privatebrowsing.forceMediaMemoryCache", true);
user_pref("browser.sessionstore.interval", 60000);
/** SHUTDOWN & SANITIZING ***/
user_pref("browser.privatebrowsing.resetPBM.enabled", true);
user_pref("privacy.history.custom", true);
/** SEARCH / URL BAR ***/
user_pref("browser.urlbar.trimHttps", true);
user_pref("browser.urlbar.untrimOnUserInteraction.featureGate", true);
user_pref("browser.search.separatePrivateDefault.ui.enabled", true);
user_pref("browser.search.suggest.enabled", false);
user_pref("browser.urlbar.quicksuggest.enabled", false);
user_pref("browser.urlbar.groupLabels.enabled", false);
user_pref("browser.formfill.enable", false);
user_pref("network.IDN_show_punycode", true);
/** PASSWORDS ***/
user_pref("signon.formlessCapture.enabled", false);
user_pref("signon.privateBrowsingCapture.enabled", false);
user_pref("network.auth.subresource-http-auth-allow", 1);
user_pref("editor.truncate_user_pastes", false);
/** MIXED CONTENT + CROSS-SITE ***/
user_pref("security.mixed_content.block_display_content", true);
user_pref("pdfjs.enableScripting", false);
/** EXTENSIONS ***/
user_pref("extensions.enabledScopes", 5);
/** HEADERS / REFERERS ***/
user_pref("network.http.referer.XOriginTrimmingPolicy", 2);
/** CONTAINERS ***/
user_pref("privacy.userContext.ui.enabled", true);
/** SAFE BROWSING ***/
user_pref("browser.safebrowsing.downloads.remote.enabled", false);
/** MOZILLA ***/
user_pref("permissions.default.desktop-notification", 2);
user_pref("permissions.default.geo", 2);
user_pref("geo.provider.network.url", "https://beacondb.net/v1/geolocate");
user_pref("browser.search.update", false);
user_pref("permissions.manager.defaultsUrl", "");
user_pref("extensions.getAddons.cache.enabled", false);
/** TELEMETRY ***/
user_pref("datareporting.policy.dataSubmissionEnabled", false);
user_pref("datareporting.healthreport.uploadEnabled", false);
user_pref("toolkit.telemetry.unified", false);
user_pref("toolkit.telemetry.enabled", false);
user_pref("toolkit.telemetry.server", "data:,");
user_pref("toolkit.telemetry.archive.enabled", false);
user_pref("toolkit.telemetry.newProfilePing.enabled", false);
user_pref("toolkit.telemetry.shutdownPingSender.enabled", false);
user_pref("toolkit.telemetry.updatePing.enabled", false);
user_pref("toolkit.telemetry.bhrPing.enabled", false);
user_pref("toolkit.telemetry.firstShutdownPing.enabled", false);
user_pref("toolkit.telemetry.coverage.opt-out", true);
user_pref("toolkit.coverage.opt-out", true);
user_pref("toolkit.coverage.endpoint.base", "");
user_pref("browser.newtabpage.activity-stream.feeds.telemetry", false);
user_pref("browser.newtabpage.activity-stream.telemetry", false);
user_pref("datareporting.usage.uploadEnabled", false);
/** EXPERIMENTS ***/
user_pref("app.shield.optoutstudies.enabled", false);
user_pref("app.normandy.enabled", false);
user_pref("app.normandy.api_url", "");
/** CRASH REPORTS ***/
user_pref("breakpad.reportURL", "");
user_pref("browser.tabs.crashReporting.sendReport", false);
/****************************************************************************
* SECTION: PESKYFOX *
****************************************************************************/
/** MOZILLA UI ***/
user_pref("browser.privatebrowsing.vpnpromourl", "");
user_pref("extensions.getAddons.showPane", false);
user_pref("extensions.htmlaboutaddons.recommendations.enabled", false);
user_pref("browser.discovery.enabled", false);
user_pref("browser.shell.checkDefaultBrowser", false);
user_pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.addons", false);
user_pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.features", false);
user_pref("browser.preferences.moreFromMozilla", false);
user_pref("browser.aboutConfig.showWarning", false);
user_pref("browser.aboutwelcome.enabled", false);
user_pref("browser.profiles.enabled", true);
/** THEME ADJUSTMENTS ***/
user_pref("toolkit.legacyUserProfileCustomizations.stylesheets", true);
user_pref("browser.compactmode.show", true);
user_pref("browser.privateWindowSeparation.enabled", false); // WINDOWS
/** AI ***/
user_pref("browser.ml.enable", false);
user_pref("browser.ml.chat.enabled", false);
/** FULLSCREEN NOTICE ***/
user_pref("full-screen-api.transition-duration.enter", "0 0");
user_pref("full-screen-api.transition-duration.leave", "0 0");
user_pref("full-screen-api.warning.timeout", 0);
/** URL BAR ***/
user_pref("browser.urlbar.trending.featureGate", false);
/** NEW TAB PAGE ***/
user_pref("browser.newtabpage.activity-stream.default.sites", "");
user_pref("browser.newtabpage.activity-stream.showSponsoredTopSites", false);
user_pref("browser.newtabpage.activity-stream.feeds.section.topstories", false);
user_pref("browser.newtabpage.activity-stream.showSponsored", false);
user_pref("browser.newtabpage.activity-stream.showSponsoredCheckboxes", false);
/** POCKET ***/
user_pref("extensions.pocket.enabled", false);
/** DOWNLOADS ***/
user_pref("browser.download.manager.addToRecentDocs", false);
/** PDF ***/
user_pref("browser.download.open_pdf_attachments_inline", true);
/** TAB BEHAVIOR ***/
user_pref("browser.bookmarks.openInTabClosesMenu", false);
user_pref("browser.menu.showViewImageInfo", true);
user_pref("findbar.highlightAll", true);
user_pref("layout.word_select.eat_space_to_next_word", false);
/****************************************************************************
* START: MY OVERRIDES *
****************************************************************************/
// visit https://github.com/yokoffing/Betterfox/wiki/Common-Overrides
// visit https://github.com/yokoffing/Betterfox/wiki/Optional-Hardening
// PREF: improve font rendering by using DirectWrite everywhere like Chrome [WINDOWS]
user_pref("gfx.font_rendering.cleartype_params.rendering_mode", 5);
user_pref("gfx.font_rendering.cleartype_params.cleartype_level", 100);
user_pref("gfx.font_rendering.directwrite.use_gdi_table_loading", false);
//user_pref("gfx.font_rendering.cleartype_params.enhanced_contrast", 50); // 50-100 [OPTIONAL]
// PREF: enable container tabs
user_pref("privacy.userContext.enabled", true);
// PREF: disable login manager
user_pref("signon.rememberSignons", false);
// PREF: disable address and credit card manager
user_pref("extensions.formautofill.addresses.enabled", false);
user_pref("extensions.formautofill.creditCards.enabled", false);
// PREF: hide site shortcut thumbnails on New Tab page
user_pref("browser.newtabpage.activity-stream.feeds.topsites", false);
// PREF: hide weather on New Tab page
user_pref("browser.newtabpage.activity-stream.showWeather", false);
// PREF: hide dropdown suggestions when clicking on the address bar
user_pref("browser.urlbar.suggest.topsites", false);
/****************************************************************************
* SECTION: SMOOTHFOX *
****************************************************************************/
// visit https://github.com/yokoffing/Betterfox/blob/main/Smoothfox.js
// Enter your scrolling overrides below this line:
// credit: https://github.com/AveYo/fox/blob/cf56d1194f4e5958169f9cf335cd175daa48d349/Natural%20Smooth%20Scrolling%20for%20user.js
// recommended for 120hz+ displays
// largely matches Chrome flags: Windows Scrolling Personality and Smooth Scrolling
user_pref("apz.overscroll.enabled", true); // DEFAULT NON-LINUX
user_pref("general.smoothScroll", true); // DEFAULT
user_pref("general.smoothScroll.msdPhysics.continuousMotionMaxDeltaMS", 12);
user_pref("general.smoothScroll.msdPhysics.enabled", true);
user_pref("general.smoothScroll.msdPhysics.motionBeginSpringConstant", 600);
user_pref("general.smoothScroll.msdPhysics.regularSpringConstant", 650);
user_pref("general.smoothScroll.msdPhysics.slowdownMinDeltaMS", 25);
user_pref("general.smoothScroll.msdPhysics.slowdownMinDeltaRatio", "2");
user_pref("general.smoothScroll.msdPhysics.slowdownSpringConstant", 250);
user_pref("general.smoothScroll.currentVelocityWeighting", "1");
user_pref("general.smoothScroll.stopDecelerationWeighting", "1");
user_pref("mousewheel.default.delta_multiplier_y", 300); // 250-400; adjust this number to your liking
/****************************************************************************
* END: BETTERFOX *
****************************************************************************/
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