diff --git a/src/i18n/translations.ts b/src/i18n/translations.ts
index 79931efc..c7fc0a1c 100644
--- a/src/i18n/translations.ts
+++ b/src/i18n/translations.ts
@@ -41,7 +41,7 @@ export const resources = {
     it: translationHelper(it),
     ja: translationHelper(ja),
     ko: translationHelper(ko),
-    nb: translationHelper(nb_NO),
+    'nb-NO': translationHelper(nb_NO),
     pt: translationHelper(pt),
     sv: translationHelper(sv),
     uk: translationHelper(uk),
diff --git a/src/util/isoLanguages.ts b/src/util/isoLanguages.ts
new file mode 100644
index 00000000..3f309fa5
--- /dev/null
+++ b/src/util/isoLanguages.ts
@@ -0,0 +1,998 @@
+/*
+ * Copyright (C) Contributors to the Suwayomi project
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+export const loadDefaultDayJsLocale = () => import('dayjs/locale/en.js');
+
+export type ISOLanguageCode = string;
+
+export type ISOLanguage = {
+    name: string;
+    nativeName: string;
+    dayjsImport: () => Promise<any>;
+};
+
+// full list: https://github.com/meikidd/iso-639-1/blob/master/src/data.js
+export const ISOLanguages: Record<ISOLanguageCode, ISOLanguage> = {
+    // #############################
+    // ###                       ###
+    // ### START: manually added ###
+    // ###                       ###
+    // #############################
+    'es-419': {
+        name: 'Spanish; Castilian',
+        nativeName: 'Español',
+        dayjsImport: () => import('dayjs/locale/es.js'),
+    },
+    'pt-pt': {
+        name: 'Portuguese',
+        nativeName: 'Português (Portugal)',
+        dayjsImport: () => import('dayjs/locale/pt.js'),
+    },
+    'pt-br': {
+        name: 'Portuguese; Brasil',
+        nativeName: 'Português (Brasil)',
+        dayjsImport: () => import('dayjs/locale/pt-br.js'),
+    },
+    'zh-hans': {
+        name: 'Chinese (Simplified)',
+        nativeName: '中文 (HANS)',
+        dayjsImport: () => import('dayjs/locale/zh-cn.js'),
+    },
+    'zh-hant': {
+        name: 'Chinese (Traditional)',
+        nativeName: '中文 (HANT)',
+        dayjsImport: () => import('dayjs/locale/zh-hk.js'),
+    },
+    'zh-rhk': {
+        name: 'Chinese',
+        nativeName: '中文 (RHK)',
+        dayjsImport: () => import('dayjs/locale/zh-hk.js'),
+    },
+    'zh-rtw': {
+        name: 'Chinese',
+        nativeName: '中文 (RTW)',
+        dayjsImport: () => import('dayjs/locale/zh-tw.js'),
+    },
+    fil: {
+        name: 'Filipino',
+        nativeName: 'Filipino',
+        dayjsImport: () => import('dayjs/locale/tl-ph'),
+    },
+    sh: {
+        name: 'Serbo-Croatian',
+        nativeName: 'srpskohrvatski',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    'nb-NO': {
+        name: 'Norwegian Bokmål',
+        nativeName: 'Norsk bokmål',
+        dayjsImport: () => import('dayjs/locale/nb.js'),
+    },
+    // #############################
+    // ###                       ###
+    // ### END: manually added   ###
+    // ###                       ###
+    // #############################
+    aa: {
+        name: 'Afar',
+        nativeName: 'Afaraf',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    ab: {
+        name: 'Abkhaz',
+        nativeName: 'аҧсуа бызшәа',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    ae: {
+        name: 'Avestan',
+        nativeName: 'avesta',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    af: {
+        name: 'Afrikaans',
+        nativeName: 'Afrikaans',
+        dayjsImport: () => import('dayjs/locale/af.js'),
+    },
+    ak: {
+        name: 'Akan',
+        nativeName: 'Akan',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    am: {
+        name: 'Amharic',
+        nativeName: 'አማርኛ',
+        dayjsImport: () => import('dayjs/locale/am.js'),
+    },
+    an: {
+        name: 'Aragonese',
+        nativeName: 'aragonés',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    ar: {
+        name: 'Arabic',
+        nativeName: 'اَلْعَرَبِيَّةُ',
+        dayjsImport: () => import('dayjs/locale/ar.js'),
+    },
+    as: {
+        name: 'Assamese',
+        nativeName: 'অসমীয়া',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    av: {
+        name: 'Avaric',
+        nativeName: 'авар мацӀ',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    ay: {
+        name: 'Aymara',
+        nativeName: 'aymar aru',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    az: {
+        name: 'Azerbaijani',
+        nativeName: 'azərbaycan dili',
+        dayjsImport: () => import('dayjs/locale/az.js'),
+    },
+    ba: {
+        name: 'Bashkir',
+        nativeName: 'башҡорт теле',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    be: {
+        name: 'Belarusian',
+        nativeName: 'беларуская мова',
+        dayjsImport: () => import('dayjs/locale/be.js'),
+    },
+    bg: {
+        name: 'Bulgarian',
+        nativeName: 'български език',
+        dayjsImport: () => import('dayjs/locale/bg.js'),
+    },
+    bi: {
+        name: 'Bislama',
+        nativeName: 'Bislama',
+        dayjsImport: () => import('dayjs/locale/bi.js'),
+    },
+    bm: {
+        name: 'Bambara',
+        nativeName: 'bamanankan',
+        dayjsImport: () => import('dayjs/locale/bm.js'),
+    },
+    bn: {
+        name: 'Bengali',
+        nativeName: 'বাংলা',
+        dayjsImport: () => import('dayjs/locale/bn.js'),
+    },
+    bo: {
+        name: 'Tibetan',
+        nativeName: 'བོད་ཡིག',
+        dayjsImport: () => import('dayjs/locale/bo.js'),
+    },
+    br: {
+        name: 'Breton',
+        nativeName: 'brezhoneg',
+        dayjsImport: () => import('dayjs/locale/br.js'),
+    },
+    bs: {
+        name: 'Bosnian',
+        nativeName: 'bosanski jezik',
+        dayjsImport: () => import('dayjs/locale/bs.js'),
+    },
+    ca: {
+        name: 'Catalan',
+        nativeName: 'Català',
+        dayjsImport: () => import('dayjs/locale/ca.js'),
+    },
+    ce: {
+        name: 'Chechen',
+        nativeName: 'нохчийн мотт',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    ch: {
+        name: 'Chamorro',
+        nativeName: 'Chamoru',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    co: {
+        name: 'Corsican',
+        nativeName: 'corsu',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    cr: {
+        name: 'Cree',
+        nativeName: 'ᓀᐦᐃᔭᐍᐏᐣ',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    cs: {
+        name: 'Czech',
+        nativeName: 'čeština',
+        dayjsImport: () => import('dayjs/locale/cs.js'),
+    },
+    cu: {
+        name: 'Old Church Slavonic',
+        nativeName: 'ѩзыкъ словѣньскъ',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    cv: {
+        name: 'Chuvash',
+        nativeName: 'чӑваш чӗлхи',
+        dayjsImport: () => import('dayjs/locale/cv.js'),
+    },
+    cy: {
+        name: 'Welsh',
+        nativeName: 'Cymraeg',
+        dayjsImport: () => import('dayjs/locale/cy.js'),
+    },
+    da: {
+        name: 'Danish',
+        nativeName: 'Dansk',
+        dayjsImport: () => import('dayjs/locale/da.js'),
+    },
+    de: {
+        name: 'German',
+        nativeName: 'Deutsch',
+        dayjsImport: () => import('dayjs/locale/de.js'),
+    },
+    dv: {
+        name: 'Divehi',
+        nativeName: 'ދިވެހި',
+        dayjsImport: () => import('dayjs/locale/dv.js'),
+    },
+    dz: {
+        name: 'Dzongkha',
+        nativeName: 'རྫོང་ཁ',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    ee: {
+        name: 'Ewe',
+        nativeName: 'Eʋegbe',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    el: {
+        name: 'Greek',
+        nativeName: 'Ελληνικά',
+        dayjsImport: () => import('dayjs/locale/el.js'),
+    },
+    en: {
+        name: 'English',
+        nativeName: 'English',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    eo: {
+        name: 'Esperanto',
+        nativeName: 'Esperanto',
+        dayjsImport: () => import('dayjs/locale/eo.js'),
+    },
+    es: {
+        name: 'Spanish',
+        nativeName: 'Español',
+        dayjsImport: () => import('dayjs/locale/es.js'),
+    },
+    et: {
+        name: 'Estonian',
+        nativeName: 'eesti',
+        dayjsImport: () => import('dayjs/locale/et.js'),
+    },
+    eu: {
+        name: 'Basque',
+        nativeName: 'euskara',
+        dayjsImport: () => import('dayjs/locale/eu.js'),
+    },
+    fa: {
+        name: 'Persian',
+        nativeName: 'فارسی',
+        dayjsImport: () => import('dayjs/locale/fa.js'),
+    },
+    ff: {
+        name: 'Fula',
+        nativeName: 'Fulfulde',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    fi: {
+        name: 'Finnish',
+        nativeName: 'suomi',
+        dayjsImport: () => import('dayjs/locale/fi.js'),
+    },
+    fj: {
+        name: 'Fijian',
+        nativeName: 'vosa Vakaviti',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    fo: {
+        name: 'Faroese',
+        nativeName: 'Føroyskt',
+        dayjsImport: () => import('dayjs/locale/fo.js'),
+    },
+    fr: {
+        name: 'French',
+        nativeName: 'Français',
+        dayjsImport: () => import('dayjs/locale/fr.js'),
+    },
+    fy: {
+        name: 'Western Frisian',
+        nativeName: 'Frysk',
+        dayjsImport: () => import('dayjs/locale/fy.js'),
+    },
+    ga: {
+        name: 'Irish',
+        nativeName: 'Gaeilge',
+        dayjsImport: () => import('dayjs/locale/ga.js'),
+    },
+    gd: {
+        name: 'Scottish Gaelic',
+        nativeName: 'Gàidhlig',
+        dayjsImport: () => import('dayjs/locale/gd.js'),
+    },
+    gl: {
+        name: 'Galician',
+        nativeName: 'galego',
+        dayjsImport: () => import('dayjs/locale/gl.js'),
+    },
+    gn: {
+        name: 'Guaraní',
+        nativeName: "Avañe'ẽ",
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    gu: {
+        name: 'Gujarati',
+        nativeName: 'ગુજરાતી',
+        dayjsImport: () => import('dayjs/locale/gu.js'),
+    },
+    gv: {
+        name: 'Manx',
+        nativeName: 'Gaelg',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    ha: {
+        name: 'Hausa',
+        nativeName: 'هَوُسَ',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    he: {
+        name: 'Hebrew',
+        nativeName: 'עברית',
+        dayjsImport: () => import('dayjs/locale/he.js'),
+    },
+    hi: {
+        name: 'Hindi',
+        nativeName: 'हिन्दी',
+        dayjsImport: () => import('dayjs/locale/hi.js'),
+    },
+    ho: {
+        name: 'Hiri Motu',
+        nativeName: 'Hiri Motu',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    hr: {
+        name: 'Croatian',
+        nativeName: 'Hrvatski',
+        dayjsImport: () => import('dayjs/locale/hr.js'),
+    },
+    ht: {
+        name: 'Haitian',
+        nativeName: 'Kreyòl ayisyen',
+        dayjsImport: () => import('dayjs/locale/ht.js'),
+    },
+    hu: {
+        name: 'Hungarian',
+        nativeName: 'magyar',
+        dayjsImport: () => import('dayjs/locale/hu.js'),
+    },
+    hy: {
+        name: 'Armenian',
+        nativeName: 'Հայերեն',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    hz: {
+        name: 'Herero',
+        nativeName: 'Otjiherero',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    ia: {
+        name: 'Interlingua',
+        nativeName: 'Interlingua',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    id: {
+        name: 'Indonesian',
+        nativeName: 'Bahasa Indonesia',
+        dayjsImport: () => import('dayjs/locale/id.js'),
+    },
+    ie: {
+        name: 'Interlingue',
+        nativeName: 'Interlingue',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    ig: {
+        name: 'Igbo',
+        nativeName: 'Asụsụ Igbo',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    ii: {
+        name: 'Nuosu',
+        nativeName: 'ꆈꌠ꒿ Nuosuhxop',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    ik: {
+        name: 'Inupiaq',
+        nativeName: 'Iñupiaq',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    io: {
+        name: 'Ido',
+        nativeName: 'Ido',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    is: {
+        name: 'Icelandic',
+        nativeName: 'Íslenska',
+        dayjsImport: () => import('dayjs/locale/is.js'),
+    },
+    it: {
+        name: 'Italian',
+        nativeName: 'Italiano',
+        dayjsImport: () => import('dayjs/locale/it.js'),
+    },
+    iu: {
+        name: 'Inuktitut',
+        nativeName: 'ᐃᓄᒃᑎᑐᑦ',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    ja: {
+        name: 'Japanese',
+        nativeName: '日本語',
+        dayjsImport: () => import('dayjs/locale/ja.js'),
+    },
+    jv: {
+        name: 'Javanese',
+        nativeName: 'basa Jawa',
+        dayjsImport: () => import('dayjs/locale/jv.js'),
+    },
+    ka: {
+        name: 'Georgian',
+        nativeName: 'ქართული',
+        dayjsImport: () => import('dayjs/locale/ka.js'),
+    },
+    kg: {
+        name: 'Kongo',
+        nativeName: 'Kikongo',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    ki: {
+        name: 'Kikuyu',
+        nativeName: 'Gĩkũyũ',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    kj: {
+        name: 'Kwanyama',
+        nativeName: 'Kuanyama',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    kk: {
+        name: 'Kazakh',
+        nativeName: 'қазақ тілі',
+        dayjsImport: () => import('dayjs/locale/kk.js'),
+    },
+    kl: {
+        name: 'Kalaallisut',
+        nativeName: 'kalaallisut',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    km: {
+        name: 'Khmer',
+        nativeName: 'ខេមរភាសា',
+        dayjsImport: () => import('dayjs/locale/km.js'),
+    },
+    kn: {
+        name: 'Kannada',
+        nativeName: 'ಕನ್ನಡ',
+        dayjsImport: () => import('dayjs/locale/kn.js'),
+    },
+    ko: {
+        name: 'Korean',
+        nativeName: '한국어',
+        dayjsImport: () => import('dayjs/locale/ko.js'),
+    },
+    kr: {
+        name: 'Kanuri',
+        nativeName: 'Kanuri',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    ks: {
+        name: 'Kashmiri',
+        nativeName: 'कश्मीरी',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    ku: {
+        name: 'Kurdish',
+        nativeName: 'Kurdî',
+        dayjsImport: () => import('dayjs/locale/ku.js'),
+    },
+    kv: {
+        name: 'Komi',
+        nativeName: 'коми кыв',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    kw: {
+        name: 'Cornish',
+        nativeName: 'Kernewek',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    ky: {
+        name: 'Kyrgyz',
+        nativeName: 'Кыргызча',
+        dayjsImport: () => import('dayjs/locale/ky.js'),
+    },
+    la: {
+        name: 'Latin',
+        nativeName: 'latine',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    lb: {
+        name: 'Luxembourgish',
+        nativeName: 'Lëtzebuergesch',
+        dayjsImport: () => import('dayjs/locale/lb.js'),
+    },
+    lg: {
+        name: 'Ganda',
+        nativeName: 'Luganda',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    li: {
+        name: 'Limburgish',
+        nativeName: 'Limburgs',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    ln: {
+        name: 'Lingala',
+        nativeName: 'Lingála',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    lo: {
+        name: 'Lao',
+        nativeName: 'ພາສາລາວ',
+        dayjsImport: () => import('dayjs/locale/lo.js'),
+    },
+    lt: {
+        name: 'Lithuanian',
+        nativeName: 'lietuvių kalba',
+        dayjsImport: () => import('dayjs/locale/lt.js'),
+    },
+    lu: {
+        name: 'Luba-Katanga',
+        nativeName: 'Kiluba',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    lv: {
+        name: 'Latvian',
+        nativeName: 'latviešu valoda',
+        dayjsImport: () => import('dayjs/locale/lv.js'),
+    },
+    mg: {
+        name: 'Malagasy',
+        nativeName: 'fiteny malagasy',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    mh: {
+        name: 'Marshallese',
+        nativeName: 'Kajin M̧ajeļ',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    mi: {
+        name: 'Māori',
+        nativeName: 'te reo Māori',
+        dayjsImport: () => import('dayjs/locale/mi.js'),
+    },
+    mk: {
+        name: 'Macedonian',
+        nativeName: 'македонски јазик',
+        dayjsImport: () => import('dayjs/locale/mk.js'),
+    },
+    ml: {
+        name: 'Malayalam',
+        nativeName: 'മലയാളം',
+        dayjsImport: () => import('dayjs/locale/ml.js'),
+    },
+    mn: {
+        name: 'Mongolian',
+        nativeName: 'Монгол хэл',
+        dayjsImport: () => import('dayjs/locale/mn.js'),
+    },
+    mr: {
+        name: 'Marathi',
+        nativeName: 'मराठी',
+        dayjsImport: () => import('dayjs/locale/mr.js'),
+    },
+    ms: {
+        name: 'Malay',
+        nativeName: 'Bahasa Melayu',
+        dayjsImport: () => import('dayjs/locale/ms.js'),
+    },
+    mt: {
+        name: 'Maltese',
+        nativeName: 'Malti',
+        dayjsImport: () => import('dayjs/locale/mt.js'),
+    },
+    my: {
+        name: 'Burmese',
+        nativeName: 'ဗမာစာ',
+        dayjsImport: () => import('dayjs/locale/my.js'),
+    },
+    na: {
+        name: 'Nauru',
+        nativeName: 'Dorerin Naoero',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    nb: {
+        name: 'Norwegian Bokmål',
+        nativeName: 'Norsk bokmål',
+        dayjsImport: () => import('dayjs/locale/nb.js'),
+    },
+    nd: {
+        name: 'Northern Ndebele',
+        nativeName: 'isiNdebele',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    ne: {
+        name: 'Nepali',
+        nativeName: 'नेपाली',
+        dayjsImport: () => import('dayjs/locale/ne.js'),
+    },
+    ng: {
+        name: 'Ndonga',
+        nativeName: 'Owambo',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    nl: {
+        name: 'Dutch',
+        nativeName: 'Nederlands',
+        dayjsImport: () => import('dayjs/locale/nl.js'),
+    },
+    nn: {
+        name: 'Norwegian Nynorsk',
+        nativeName: 'Norsk nynorsk',
+        dayjsImport: () => import('dayjs/locale/nn.js'),
+    },
+    no: {
+        name: 'Norwegian',
+        nativeName: 'Norsk',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    nr: {
+        name: 'Southern Ndebele',
+        nativeName: 'isiNdebele',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    nv: {
+        name: 'Navajo',
+        nativeName: 'Diné bizaad',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    ny: {
+        name: 'Chichewa',
+        nativeName: 'chiCheŵa',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    oc: {
+        name: 'Occitan',
+        nativeName: 'occitan',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    oj: {
+        name: 'Ojibwe',
+        nativeName: 'ᐊᓂᔑᓈᐯᒧᐎᓐ',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    om: {
+        name: 'Oromo',
+        nativeName: 'Afaan Oromoo',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    or: {
+        name: 'Oriya',
+        nativeName: 'ଓଡ଼ିଆ',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    os: {
+        name: 'Ossetian',
+        nativeName: 'ирон æвзаг',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    pa: {
+        name: 'Panjabi',
+        nativeName: 'ਪੰਜਾਬੀ',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    pi: {
+        name: 'Pāli',
+        nativeName: 'पाऴि',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    pl: {
+        name: 'Polish',
+        nativeName: 'Polski',
+        dayjsImport: () => import('dayjs/locale/pl.js'),
+    },
+    ps: {
+        name: 'Pashto',
+        nativeName: 'پښتو',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    pt: {
+        name: 'Portuguese',
+        nativeName: 'Português',
+        dayjsImport: () => import('dayjs/locale/pt.js'),
+    },
+    qu: {
+        name: 'Quechua',
+        nativeName: 'Runa Simi',
+        dayjsImport: loadDefaultDayJsLocale,
+
+        // asdfasdfasdfasdf
+    },
+    rm: {
+        name: 'Romansh',
+        nativeName: 'rumantsch grischun',
+        dayjsImport: () => import('dayjs/locale/cs.js'),
+    },
+    rn: {
+        name: 'Kirundi',
+        nativeName: 'Ikirundi',
+        dayjsImport: () => import('dayjs/locale/cs.js'),
+    },
+    ro: {
+        name: 'Romanian',
+        nativeName: 'Română',
+        dayjsImport: () => import('dayjs/locale/ro.js'),
+    },
+    ru: {
+        name: 'Russian',
+        nativeName: 'Русский',
+        dayjsImport: () => import('dayjs/locale/ru.js'),
+    },
+    rw: {
+        name: 'Kinyarwanda',
+        nativeName: 'Ikinyarwanda',
+        dayjsImport: () => import('dayjs/locale/rw.js'),
+    },
+    sa: {
+        name: 'Sanskrit',
+        nativeName: 'संस्कृतम्',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    sc: {
+        name: 'Sardinian',
+        nativeName: 'sardu',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    sd: {
+        name: 'Sindhi',
+        nativeName: 'सिन्धी',
+        dayjsImport: () => import('dayjs/locale/sd.js'),
+    },
+    se: {
+        name: 'Northern Sami',
+        nativeName: 'Davvisámegiella',
+        dayjsImport: () => import('dayjs/locale/se.js'),
+    },
+    sg: {
+        name: 'Sango',
+        nativeName: 'yângâ tî sängö',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    si: {
+        name: 'Sinhala',
+        nativeName: 'සිංහල',
+        dayjsImport: () => import('dayjs/locale/si.js'),
+    },
+    sk: {
+        name: 'Slovak',
+        nativeName: 'slovenčina',
+        dayjsImport: () => import('dayjs/locale/sk.js'),
+    },
+    sl: {
+        name: 'Slovenian',
+        nativeName: 'slovenščina',
+        dayjsImport: () => import('dayjs/locale/sl.js'),
+    },
+    sm: {
+        name: 'Samoan',
+        nativeName: "gagana fa'a Samoa",
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    sn: {
+        name: 'Shona',
+        nativeName: 'chiShona',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    so: {
+        name: 'Somali',
+        nativeName: 'Soomaaliga',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    sq: {
+        name: 'Albanian',
+        nativeName: 'Shqip',
+        dayjsImport: () => import('dayjs/locale/sq.js'),
+    },
+    sr: {
+        name: 'Serbian',
+        nativeName: 'српски језик',
+        dayjsImport: () => import('dayjs/locale/sr.js'),
+    },
+    ss: {
+        name: 'Swati',
+        nativeName: 'SiSwati',
+        dayjsImport: () => import('dayjs/locale/ss.js'),
+    },
+    st: {
+        name: 'Southern Sotho',
+        nativeName: 'Sesotho',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    su: {
+        name: 'Sundanese',
+        nativeName: 'Basa Sunda',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    sv: {
+        name: 'Swedish',
+        nativeName: 'Svenska',
+        dayjsImport: () => import('dayjs/locale/sv.js'),
+    },
+    sw: {
+        name: 'Swahili',
+        nativeName: 'Kiswahili',
+        dayjsImport: () => import('dayjs/locale/sw.js'),
+    },
+    ta: {
+        name: 'Tamil',
+        nativeName: 'தமிழ்',
+        dayjsImport: () => import('dayjs/locale/ta.js'),
+    },
+    te: {
+        name: 'Telugu',
+        nativeName: 'తెలుగు',
+        dayjsImport: () => import('dayjs/locale/te.js'),
+    },
+    tg: {
+        name: 'Tajik',
+        nativeName: 'тоҷикӣ',
+        dayjsImport: () => import('dayjs/locale/tg.js'),
+    },
+    th: {
+        name: 'Thai',
+        nativeName: 'ไทย',
+        dayjsImport: () => import('dayjs/locale/th.js'),
+    },
+    ti: {
+        name: 'Tigrinya',
+        nativeName: 'ትግርኛ',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    tk: {
+        name: 'Turkmen',
+        nativeName: 'Türkmençe',
+        dayjsImport: () => import('dayjs/locale/tk.js'),
+    },
+    tl: {
+        name: 'Tagalog',
+        nativeName: 'Wikang Tagalog',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    tn: {
+        name: 'Tswana',
+        nativeName: 'Setswana',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    to: {
+        name: 'Tonga',
+        nativeName: 'faka Tonga',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    tr: {
+        name: 'Turkish',
+        nativeName: 'Türkçe',
+        dayjsImport: () => import('dayjs/locale/tr.js'),
+    },
+    ts: {
+        name: 'Tsonga',
+        nativeName: 'Xitsonga',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    tt: {
+        name: 'Tatar',
+        nativeName: 'татар теле',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    tw: {
+        name: 'Twi',
+        nativeName: 'Twi',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    ty: {
+        name: 'Tahitian',
+        nativeName: 'Reo Tahiti',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    ug: {
+        name: 'Uyghur',
+        nativeName: 'ئۇيغۇرچە‎',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    uk: {
+        name: 'Ukrainian',
+        nativeName: 'Українська',
+        dayjsImport: () => import('dayjs/locale/uk.js'),
+    },
+    ur: {
+        name: 'Urdu',
+        nativeName: 'اردو',
+        dayjsImport: () => import('dayjs/locale/ur.js'),
+    },
+    uz: {
+        name: 'Uzbek',
+        nativeName: 'Ўзбек',
+        dayjsImport: () => import('dayjs/locale/uz.js'),
+    },
+    ve: {
+        name: 'Venda',
+        nativeName: 'Tshivenḓa',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    vi: {
+        name: 'Vietnamese',
+        nativeName: 'Tiếng Việt',
+        dayjsImport: () => import('dayjs/locale/vi.js'),
+    },
+    vo: {
+        name: 'Volapük',
+        nativeName: 'Volapük',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    wa: {
+        name: 'Walloon',
+        nativeName: 'walon',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    wo: {
+        name: 'Wolof',
+        nativeName: 'Wollof',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    xh: {
+        name: 'Xhosa',
+        nativeName: 'isiXhosa',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    yi: {
+        name: 'Yiddish',
+        nativeName: 'ייִדיש',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    yo: {
+        name: 'Yoruba',
+        nativeName: 'Yorùbá',
+        dayjsImport: () => import('dayjs/locale/yo.js'),
+    },
+    za: {
+        name: 'Zhuang',
+        nativeName: 'Saɯ cueŋƅ',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+    zh: {
+        name: 'Chinese',
+        nativeName: '中文',
+        dayjsImport: () => import('dayjs/locale/zh.js'),
+    },
+    zu: {
+        name: 'Zulu',
+        nativeName: 'isiZulu',
+        dayjsImport: loadDefaultDayJsLocale,
+    },
+};
diff --git a/src/util/language.tsx b/src/util/language.tsx
index 7308e9db..841bc676 100644
--- a/src/util/language.tsx
+++ b/src/util/language.tsx
@@ -7,6 +7,7 @@
  */
 
 import { t } from 'i18next';
+import { ISOLanguage, ISOLanguages, loadDefaultDayJsLocale } from '@/util/isoLanguages.ts';
 
 export enum DefaultLanguage {
     ALL = 'all',
@@ -14,109 +15,39 @@ export enum DefaultLanguage {
     LOCAL_SOURCE = 'localsourcelang',
 }
 
-const loadDefaultDayJsLocale = () => import('dayjs/locale/en.js');
-
-export const ISOLanguages = [
-    // full list: https://github.com/meikidd/iso-639-1/blob/master/src/data.js
-    { dayjsImport: loadDefaultDayJsLocale, code: 'en', name: 'English', nativeName: 'English' },
-    { dayjsImport: () => import('dayjs/locale/ca.js'), code: 'ca', name: 'Catalan; Valencian', nativeName: 'Català' },
-    { dayjsImport: () => import('dayjs/locale/de.js'), code: 'de', name: 'German', nativeName: 'Deutsch' },
-    { dayjsImport: () => import('dayjs/locale/es.js'), code: 'es', name: 'Spanish; Castilian', nativeName: 'Español' },
-    {
-        dayjsImport: () => import('dayjs/locale/es.js'),
-        code: 'es-419',
-        name: 'Spanish; Castilian',
-        nativeName: 'Español (Latinoamérica)',
-    },
-    { dayjsImport: () => import('dayjs/locale/fr.js'), code: 'fr', name: 'French', nativeName: 'Français' },
-    { dayjsImport: () => import('dayjs/locale/id.js'), code: 'id', name: 'Indonesian', nativeName: 'Indonesia' },
-    { dayjsImport: () => import('dayjs/locale/it.js'), code: 'it', name: 'Italian', nativeName: 'Italiano' },
-    { dayjsImport: () => import('dayjs/locale/pt.js'), code: 'pt', name: 'Portuguese', nativeName: 'Português' },
-    {
-        dayjsImport: () => import('dayjs/locale/pt.js'),
-        code: 'pt-pt',
-        name: 'Portuguese',
-        nativeName: 'Português (Portugal)',
-    },
-    {
-        dayjsImport: () => import('dayjs/locale/pt-br.js'),
-        code: 'pt-br',
-        name: 'Portuguese; Brasil',
-        nativeName: 'Português (Brasil)',
-    },
-    { dayjsImport: () => import('dayjs/locale/vi.js'), code: 'vi', name: 'Vietnamese', nativeName: 'Tiếng Việt' },
-    { dayjsImport: () => import('dayjs/locale/tr.js'), code: 'tr', name: 'Turkish', nativeName: 'Türkçe' },
-    { dayjsImport: () => import('dayjs/locale/ru.js'), code: 'ru', name: 'Russian', nativeName: 'русский' },
-    { dayjsImport: () => import('dayjs/locale/ar.js'), code: 'ar', name: 'Arabic', nativeName: 'العربية' },
-    { dayjsImport: () => import('dayjs/locale/hi.js'), code: 'hi', name: 'Hindi', nativeName: 'हिन्दी' },
-    { dayjsImport: () => import('dayjs/locale/th.js'), code: 'th', name: 'Thai', nativeName: 'ไทย' },
-    { dayjsImport: () => import('dayjs/locale/zh.js'), code: 'zh', name: 'Chinese', nativeName: '中文' },
-    { dayjsImport: () => import('dayjs/locale/zh-cn.js'), code: 'zh-hans', name: 'Chinese', nativeName: '中文 (HANS)' },
-    { dayjsImport: () => import('dayjs/locale/zh-hk.js'), code: 'zh-hant', name: 'Chinese', nativeName: '中文 (HANT)' },
-    { dayjsImport: () => import('dayjs/locale/zh-hk.js'), code: 'zh-rhk', name: 'Chinese', nativeName: '中文 (RHK)' },
-    { dayjsImport: () => import('dayjs/locale/zh-tw.js'), code: 'zh-rtw', name: 'Chinese', nativeName: '中文 (RTW)' },
-
-    { dayjsImport: () => import('dayjs/locale/ja.js'), code: 'ja', name: 'Japanese', nativeName: '日本語' },
-    { dayjsImport: () => import('dayjs/locale/ko.js'), code: 'ko', name: 'Korean', nativeName: '한국어' },
-    { dayjsImport: () => import('dayjs/locale/af.js'), code: 'zu', name: 'Zulu', nativeName: 'isiZulu' },
-    { dayjsImport: () => import('dayjs/locale/af.js'), code: 'xh', name: 'Xhosa', nativeName: 'isiXhosa' },
-    { dayjsImport: () => import('dayjs/locale/uk.js'), code: 'uk', name: 'Ukrainian', nativeName: 'Українська' },
-    { dayjsImport: () => import('dayjs/locale/ro.js'), code: 'ro', name: 'Romanian', nativeName: 'Română' },
-    { dayjsImport: () => import('dayjs/locale/bg.js'), code: 'bg', name: 'Bulgarian', nativeName: 'български' },
-    { dayjsImport: () => import('dayjs/locale/cs.js'), code: 'cs', name: 'Czech', nativeName: 'čeština' },
-    { dayjsImport: () => import('dayjs/locale/pl.js'), code: 'pl', name: 'Polish', nativeName: 'polski' },
-    {
-        dayjsImport: () => import('dayjs/locale/nb.js'),
-        code: 'nb',
-        name: 'Norwegian Bokmål',
-        nativeName: 'Norsk bokmål',
-    },
-    { dayjsImport: () => import('dayjs/locale/nb.js'), code: 'no', name: 'Norwegian', nativeName: 'Norsk' },
-    { dayjsImport: () => import('dayjs/locale/nl.js'), code: 'nl', name: 'Dutch', nativeName: 'Nederlands' },
-    { dayjsImport: () => import('dayjs/locale/my.js'), code: 'my', name: 'Burmese', nativeName: 'ဗမာစာ' },
-    { dayjsImport: () => import('dayjs/locale/ms.js'), code: 'ms', name: 'Malay', nativeName: 'Malaysia' },
-    { dayjsImport: () => import('dayjs/locale/mn.js'), code: 'mn', name: 'Mongolian', nativeName: 'Монгол' },
-    { dayjsImport: () => import('dayjs/locale/ml.js'), code: 'ml', name: 'Malayalam', nativeName: 'മലയാളം' },
-    { dayjsImport: () => import('dayjs/locale/ku.js'), code: 'ku', name: 'Kurdish', nativeName: 'Kurdî' },
-    { dayjsImport: () => import('dayjs/locale/hu.js'), code: 'hu', name: 'Hungarian', nativeName: 'Magyar' },
-    { dayjsImport: () => import('dayjs/locale/hr.js'), code: 'hr', name: 'Croatian', nativeName: 'Hrvatski' },
-    { dayjsImport: () => import('dayjs/locale/he.js'), code: 'he', name: 'Hebrew', nativeName: 'עברית' },
-    { dayjsImport: () => import('dayjs/locale/tl-ph'), code: 'fil', name: 'Filipino', nativeName: 'Filipino' },
-    { dayjsImport: () => import('dayjs/locale/fi.js'), code: 'fi', name: 'Finnish', nativeName: 'suomi' },
-    { dayjsImport: () => import('dayjs/locale/fa.js'), code: 'fa', name: 'Persian', nativeName: 'فارسی' },
-    { dayjsImport: () => import('dayjs/locale/eu.js'), code: 'eu', name: 'Basque', nativeName: 'euskara' },
-    { dayjsImport: () => import('dayjs/locale/el.js'), code: 'el', name: 'Greek', nativeName: 'Ελληνικά' },
-    { dayjsImport: () => import('dayjs/locale/da.js'), code: 'da', name: 'Danish', nativeName: 'dansk' },
-    { dayjsImport: () => import('dayjs/locale/bn.js'), code: 'bn', name: 'Bengali', nativeName: 'বাংলা' },
-    { dayjsImport: () => import('dayjs/locale/lt.js'), code: 'lt', name: 'Lithuanian', nativeName: 'lietuvių kalba' },
-    {
-        dayjsImport: loadDefaultDayJsLocale,
-        code: 'sh',
-        name: 'Serbo-Croatian',
-        nativeName: 'srpskohrvatski',
-    },
-
-    { dayjsImport: () => import('dayjs/locale/af.js'), code: 'af', name: 'Afrikaans', nativeName: 'Afrikaans' },
-    { dayjsImport: () => import('dayjs/locale/am.js'), code: 'am', name: 'Amharic', nativeName: 'አማርኛ' },
-    { dayjsImport: () => import('dayjs/locale/az.js'), code: 'az', name: 'Azerbaijani', nativeName: 'Azərbaycan' },
-    { dayjsImport: () => import('dayjs/locale/be.js'), code: 'be', name: 'Belarusian', nativeName: 'беларуская' },
-    { dayjsImport: () => import('dayjs/locale/bs.js'), code: 'bs', name: 'Bosnian', nativeName: 'bosanski' },
-    { dayjsImport: () => import('dayjs/locale/sv.js'), code: 'sv', name: 'Swedish', nativeName: 'svenska' },
-];
-
-export function langCodeToName(code: string): string {
-    const whereToCut = code.indexOf('-') !== -1 ? code.indexOf('-') : code.length;
-
-    const proccessedCode = code.toLocaleLowerCase().substring(0, whereToCut);
-    let result = t('global.language.label.language_with_code', { code });
-
-    for (let i = 0; i < ISOLanguages.length; i++) {
-        if (ISOLanguages[i].code === proccessedCode || ISOLanguages[i].code === code.toLocaleLowerCase()) {
-            result = ISOLanguages[i].nativeName;
-        }
+function getISOLanguage(code: string): ISOLanguage | null {
+    if (ISOLanguages[code]) {
+        return ISOLanguages[code];
     }
 
-    return result;
+    if (ISOLanguages[code.toLocaleLowerCase()]) {
+        return ISOLanguages[code.toLocaleLowerCase()];
+    }
+
+    const whereToCut = code.indexOf('-') !== -1 ? code.indexOf('-') : code.length;
+    const processedCode = code.toLocaleLowerCase().substring(0, whereToCut);
+    if (ISOLanguages[processedCode]) {
+        return ISOLanguages[processedCode];
+    }
+
+    return null;
+}
+
+export function getLanguage(code: string): { name: string; nativeName: string } {
+    const isoLanguage = getISOLanguage(code);
+
+    if (isoLanguage) {
+        return isoLanguage;
+    }
+
+    return {
+        name: t('global.language.label.language_with_code', { code }),
+        nativeName: t('global.language.label.language_with_code', { code }),
+    };
+}
+
+export function langCodeToName(code: string): string {
+    return getLanguage(code).nativeName;
 }
 
 function defaultNativeLang() {
@@ -149,7 +80,7 @@ export const langSortCmp = (a: string, b: string) => {
 };
 
 export const loadDayJsLocale = async (locale: string) => {
-    const lang = ISOLanguages.find(({ code }) => code.toLowerCase() === locale.toLowerCase());
+    const lang = getISOLanguage(locale);
 
     try {
         if (!lang) {