diff --git a/app/soapbox/actions/compose.ts b/app/soapbox/actions/compose.ts
index 65d437a36..3010ae3fd 100644
--- a/app/soapbox/actions/compose.ts
+++ b/app/soapbox/actions/compose.ts
@@ -10,7 +10,7 @@ import { tagHistory } from 'soapbox/settings';
 import { isLoggedIn } from 'soapbox/utils/auth';
 import { getFeatures, parseVersion } from 'soapbox/utils/features';
 import { formatBytes, getVideoDuration } from 'soapbox/utils/media';
-import resizeImage from 'soapbox/utils/resize_image';
+import resizeImage from 'soapbox/utils/resize-image';
 
 import { showAlert, showAlertForError } from './alerts';
 import { useEmoji } from './emojis';
diff --git a/app/soapbox/actions/mrf.ts b/app/soapbox/actions/mrf.ts
index e2cef5938..1b9cbad93 100644
--- a/app/soapbox/actions/mrf.ts
+++ b/app/soapbox/actions/mrf.ts
@@ -1,11 +1,11 @@
 import { Map as ImmutableMap, Set as ImmutableSet } from 'immutable';
 
-import ConfigDB from 'soapbox/utils/config_db';
+import ConfigDB from 'soapbox/utils/config-db';
 
 import { fetchConfig, updateConfig } from './admin';
 
 import type { AppDispatch, RootState } from 'soapbox/store';
-import type { Policy } from 'soapbox/utils/config_db';
+import type { Policy } from 'soapbox/utils/config-db';
 
 const simplePolicyMerge = (simplePolicy: Policy, host: string, restrictions: ImmutableMap<string, any>) => {
   return simplePolicy.map((hosts, key) => {
diff --git a/app/soapbox/components/account.tsx b/app/soapbox/components/account.tsx
index 3137b25a3..006584e8d 100644
--- a/app/soapbox/components/account.tsx
+++ b/app/soapbox/components/account.tsx
@@ -1,7 +1,7 @@
 import * as React from 'react';
 import { Link, useHistory } from 'react-router-dom';
 
-import HoverRefWrapper from 'soapbox/components/hover_ref_wrapper';
+import HoverRefWrapper from 'soapbox/components/hover-ref-wrapper';
 import VerificationBadge from 'soapbox/components/verification-badge';
 import ActionButton from 'soapbox/features/ui/components/action-button';
 import { useAppSelector, useOnScreen } from 'soapbox/hooks';
diff --git a/app/soapbox/components/display-name.tsx b/app/soapbox/components/display-name.tsx
index ccc6f6ed4..8fd2bfa53 100644
--- a/app/soapbox/components/display-name.tsx
+++ b/app/soapbox/components/display-name.tsx
@@ -1,6 +1,6 @@
 import * as React from 'react';
 
-import HoverRefWrapper from 'soapbox/components/hover_ref_wrapper';
+import HoverRefWrapper from 'soapbox/components/hover-ref-wrapper';
 import { useSoapboxConfig } from 'soapbox/hooks';
 
 import { getAcct } from '../utils/accounts';
diff --git a/app/soapbox/components/emoji-button-wrapper.tsx b/app/soapbox/components/emoji-button-wrapper.tsx
index d85d22627..9a71c9e1a 100644
--- a/app/soapbox/components/emoji-button-wrapper.tsx
+++ b/app/soapbox/components/emoji-button-wrapper.tsx
@@ -8,7 +8,7 @@ import { openModal } from 'soapbox/actions/modals';
 import EmojiSelector from 'soapbox/components/ui/emoji-selector/emoji-selector';
 import { useAppSelector, useOwnAccount, useSoapboxConfig } from 'soapbox/hooks';
 import { isUserTouching } from 'soapbox/is_mobile';
-import { getReactForStatus } from 'soapbox/utils/emoji_reacts';
+import { getReactForStatus } from 'soapbox/utils/emoji-reacts';
 
 interface IEmojiButtonWrapper {
   statusId: string,
diff --git a/app/soapbox/components/helmet.tsx b/app/soapbox/components/helmet.tsx
index cd13dd30a..ba4a82fd3 100644
--- a/app/soapbox/components/helmet.tsx
+++ b/app/soapbox/components/helmet.tsx
@@ -3,7 +3,7 @@ import { Helmet as ReactHelmet } from 'react-helmet';
 
 import { useAppSelector, useSettings } from 'soapbox/hooks';
 import { RootState } from 'soapbox/store';
-import FaviconService from 'soapbox/utils/favicon_service';
+import FaviconService from 'soapbox/utils/favicon-service';
 
 FaviconService.initFaviconService();
 
diff --git a/app/soapbox/components/hover_ref_wrapper.tsx b/app/soapbox/components/hover-ref-wrapper.tsx
similarity index 100%
rename from app/soapbox/components/hover_ref_wrapper.tsx
rename to app/soapbox/components/hover-ref-wrapper.tsx
diff --git a/app/soapbox/components/icon_with_counter.tsx b/app/soapbox/components/icon-with-counter.tsx
similarity index 100%
rename from app/soapbox/components/icon_with_counter.tsx
rename to app/soapbox/components/icon-with-counter.tsx
diff --git a/app/soapbox/components/media-gallery.tsx b/app/soapbox/components/media-gallery.tsx
index e978e448e..4215356d5 100644
--- a/app/soapbox/components/media-gallery.tsx
+++ b/app/soapbox/components/media-gallery.tsx
@@ -10,7 +10,7 @@ import { Attachment } from 'soapbox/types/entities';
 import { truncateFilename } from 'soapbox/utils/media';
 
 import { isIOS } from '../is_mobile';
-import { isPanoramic, isPortrait, isNonConformingRatio, minimumAspectRatio, maximumAspectRatio } from '../utils/media_aspect_ratio';
+import { isPanoramic, isPortrait, isNonConformingRatio, minimumAspectRatio, maximumAspectRatio } from '../utils/media-aspect-ratio';
 
 import type { Property } from 'csstype';
 import type { List as ImmutableList } from 'immutable';
diff --git a/app/soapbox/components/profile-hover-card.tsx b/app/soapbox/components/profile-hover-card.tsx
index 5baabeb86..1fce4feb3 100644
--- a/app/soapbox/components/profile-hover-card.tsx
+++ b/app/soapbox/components/profile-hover-card.tsx
@@ -17,7 +17,7 @@ import { useAppSelector, useAppDispatch } from 'soapbox/hooks';
 import { makeGetAccount } from 'soapbox/selectors';
 import { isLocal } from 'soapbox/utils/accounts';
 
-import { showProfileHoverCard } from './hover_ref_wrapper';
+import { showProfileHoverCard } from './hover-ref-wrapper';
 import { Card, CardBody, HStack, Icon, Stack, Text } from './ui';
 
 import type { AppDispatch } from 'soapbox/store';
diff --git a/app/soapbox/components/progress_circle.tsx b/app/soapbox/components/progress-circle.tsx
similarity index 100%
rename from app/soapbox/components/progress_circle.tsx
rename to app/soapbox/components/progress-circle.tsx
diff --git a/app/soapbox/components/radio_button.tsx b/app/soapbox/components/radio-button.tsx
similarity index 100%
rename from app/soapbox/components/radio_button.tsx
rename to app/soapbox/components/radio-button.tsx
diff --git a/app/soapbox/components/status-action-bar.tsx b/app/soapbox/components/status-action-bar.tsx
index b4f5c187b..011fc63a8 100644
--- a/app/soapbox/components/status-action-bar.tsx
+++ b/app/soapbox/components/status-action-bar.tsx
@@ -19,7 +19,7 @@ import StatusActionButton from 'soapbox/components/status-action-button';
 import DropdownMenuContainer from 'soapbox/containers/dropdown-menu-container';
 import { useAppDispatch, useAppSelector, useFeatures, useOwnAccount, useSettings, useSoapboxConfig } from 'soapbox/hooks';
 import { isLocal } from 'soapbox/utils/accounts';
-import { getReactForStatus, reduceEmoji } from 'soapbox/utils/emoji_reacts';
+import { getReactForStatus, reduceEmoji } from 'soapbox/utils/emoji-reacts';
 
 import type { Menu } from 'soapbox/components/dropdown-menu';
 import type { Account, Status } from 'soapbox/types/entities';
diff --git a/app/soapbox/components/status-content.tsx b/app/soapbox/components/status-content.tsx
index b3592c62d..a495a9f82 100644
--- a/app/soapbox/components/status-content.tsx
+++ b/app/soapbox/components/status-content.tsx
@@ -6,7 +6,7 @@ import { useHistory } from 'react-router-dom';
 import Icon from 'soapbox/components/icon';
 import { useSoapboxConfig } from 'soapbox/hooks';
 import { addGreentext } from 'soapbox/utils/greentext';
-import { onlyEmoji as isOnlyEmoji } from 'soapbox/utils/rich_content';
+import { onlyEmoji as isOnlyEmoji } from 'soapbox/utils/rich-content';
 
 import { isRtl } from '../rtl';
 
diff --git a/app/soapbox/components/status-reply-mentions.tsx b/app/soapbox/components/status-reply-mentions.tsx
index 4d65abd11..887c41a8e 100644
--- a/app/soapbox/components/status-reply-mentions.tsx
+++ b/app/soapbox/components/status-reply-mentions.tsx
@@ -3,8 +3,8 @@ import { FormattedList, FormattedMessage } from 'react-intl';
 import { Link } from 'react-router-dom';
 
 import { openModal } from 'soapbox/actions/modals';
+import HoverRefWrapper from 'soapbox/components/hover-ref-wrapper';
 import HoverStatusWrapper from 'soapbox/components/hover-status-wrapper';
-import HoverRefWrapper from 'soapbox/components/hover_ref_wrapper';
 import { useAppDispatch } from 'soapbox/hooks';
 
 import type { Account, Status } from 'soapbox/types/entities';
diff --git a/app/soapbox/components/thumb-navigation-link.tsx b/app/soapbox/components/thumb-navigation-link.tsx
index 58a55e7e6..069849507 100644
--- a/app/soapbox/components/thumb-navigation-link.tsx
+++ b/app/soapbox/components/thumb-navigation-link.tsx
@@ -2,7 +2,7 @@ import classNames from 'clsx';
 import React from 'react';
 import { NavLink, useLocation } from 'react-router-dom';
 
-import IconWithCounter from 'soapbox/components/icon_with_counter';
+import IconWithCounter from 'soapbox/components/icon-with-counter';
 import { Icon, Text } from 'soapbox/components/ui';
 
 interface IThumbNavigationLink {
diff --git a/app/soapbox/features/admin/components/report.tsx b/app/soapbox/features/admin/components/report.tsx
index fe28ab21c..3304a17a9 100644
--- a/app/soapbox/features/admin/components/report.tsx
+++ b/app/soapbox/features/admin/components/report.tsx
@@ -6,7 +6,7 @@ import { closeReports } from 'soapbox/actions/admin';
 import { deactivateUserModal, deleteUserModal } from 'soapbox/actions/moderation';
 import snackbar from 'soapbox/actions/snackbar';
 import Avatar from 'soapbox/components/avatar';
-import HoverRefWrapper from 'soapbox/components/hover_ref_wrapper';
+import HoverRefWrapper from 'soapbox/components/hover-ref-wrapper';
 import { Button, HStack } from 'soapbox/components/ui';
 import DropdownMenu from 'soapbox/containers/dropdown-menu-container';
 import Accordion from 'soapbox/features/ui/components/accordion';
diff --git a/app/soapbox/features/chats/components/chat-message-list.tsx b/app/soapbox/features/chats/components/chat-message-list.tsx
index 330fd9f9a..90c27e4a6 100644
--- a/app/soapbox/features/chats/components/chat-message-list.tsx
+++ b/app/soapbox/features/chats/components/chat-message-list.tsx
@@ -19,7 +19,7 @@ import emojify from 'soapbox/features/emoji/emoji';
 import Bundle from 'soapbox/features/ui/components/bundle';
 import { MediaGallery } from 'soapbox/features/ui/util/async-components';
 import { useAppSelector, useAppDispatch, useRefEventHandler } from 'soapbox/hooks';
-import { onlyEmoji } from 'soapbox/utils/rich_content';
+import { onlyEmoji } from 'soapbox/utils/rich-content';
 
 import type { Menu } from 'soapbox/components/dropdown-menu';
 import type { ChatMessage as ChatMessageEntity } from 'soapbox/types/entities';
diff --git a/app/soapbox/features/chats/components/chat-window.tsx b/app/soapbox/features/chats/components/chat-window.tsx
index 13ba3ed39..3bcb83165 100644
--- a/app/soapbox/features/chats/components/chat-window.tsx
+++ b/app/soapbox/features/chats/components/chat-window.tsx
@@ -6,7 +6,7 @@ import {
   toggleChat,
 } from 'soapbox/actions/chats';
 import Avatar from 'soapbox/components/avatar';
-import HoverRefWrapper from 'soapbox/components/hover_ref_wrapper';
+import HoverRefWrapper from 'soapbox/components/hover-ref-wrapper';
 import IconButton from 'soapbox/components/icon-button';
 import { HStack, Counter } from 'soapbox/components/ui';
 import { useAppSelector, useAppDispatch } from 'soapbox/hooks';
diff --git a/app/soapbox/features/compose/components/visual-character-counter.tsx b/app/soapbox/features/compose/components/visual-character-counter.tsx
index bba7053e8..8bf37af29 100644
--- a/app/soapbox/features/compose/components/visual-character-counter.tsx
+++ b/app/soapbox/features/compose/components/visual-character-counter.tsx
@@ -2,7 +2,7 @@ import React from 'react';
 import { defineMessages, useIntl } from 'react-intl';
 import { length } from 'stringz';
 
-import ProgressCircle from 'soapbox/components/progress_circle';
+import ProgressCircle from 'soapbox/components/progress-circle';
 
 const messages = defineMessages({
   title: { id: 'compose.character_counter.title', defaultMessage: 'Used {chars} out of {maxChars} characters' },
diff --git a/app/soapbox/features/directory/index.tsx b/app/soapbox/features/directory/index.tsx
index 68eafb4ba..ff06e6659 100644
--- a/app/soapbox/features/directory/index.tsx
+++ b/app/soapbox/features/directory/index.tsx
@@ -6,7 +6,7 @@ import { useLocation } from 'react-router-dom';
 
 import { fetchDirectory, expandDirectory } from 'soapbox/actions/directory';
 import LoadMore from 'soapbox/components/load-more';
-import RadioButton from 'soapbox/components/radio_button';
+import RadioButton from 'soapbox/components/radio-button';
 import Column from 'soapbox/features/ui/components/column';
 import { useAppSelector } from 'soapbox/hooks';
 import { getFeatures } from 'soapbox/utils/features';
diff --git a/app/soapbox/features/edit-profile/index.tsx b/app/soapbox/features/edit-profile/index.tsx
index de7d6ee2d..1967e9138 100644
--- a/app/soapbox/features/edit-profile/index.tsx
+++ b/app/soapbox/features/edit-profile/index.tsx
@@ -21,7 +21,7 @@ import {
 import Streamfield, { StreamfieldComponent } from 'soapbox/components/ui/streamfield/streamfield';
 import { useAppSelector, useAppDispatch, useOwnAccount, useFeatures } from 'soapbox/hooks';
 import { normalizeAccount } from 'soapbox/normalizers';
-import resizeImage from 'soapbox/utils/resize_image';
+import resizeImage from 'soapbox/utils/resize-image';
 
 import ProfilePreview from './components/profile-preview';
 
diff --git a/app/soapbox/features/onboarding/steps/avatar-selection-step.tsx b/app/soapbox/features/onboarding/steps/avatar-selection-step.tsx
index 8f95b496f..753ef4d7f 100644
--- a/app/soapbox/features/onboarding/steps/avatar-selection-step.tsx
+++ b/app/soapbox/features/onboarding/steps/avatar-selection-step.tsx
@@ -7,7 +7,7 @@ import { patchMe } from 'soapbox/actions/me';
 import snackbar from 'soapbox/actions/snackbar';
 import { Avatar, Button, Card, CardBody, Icon, Spinner, Stack, Text } from 'soapbox/components/ui';
 import { useOwnAccount } from 'soapbox/hooks';
-import resizeImage from 'soapbox/utils/resize_image';
+import resizeImage from 'soapbox/utils/resize-image';
 
 import type { AxiosError } from 'axios';
 
diff --git a/app/soapbox/features/onboarding/steps/cover-photo-selection-step.tsx b/app/soapbox/features/onboarding/steps/cover-photo-selection-step.tsx
index 4d1ae3f12..520fbc1b9 100644
--- a/app/soapbox/features/onboarding/steps/cover-photo-selection-step.tsx
+++ b/app/soapbox/features/onboarding/steps/cover-photo-selection-step.tsx
@@ -8,7 +8,7 @@ import snackbar from 'soapbox/actions/snackbar';
 import StillImage from 'soapbox/components/still-image';
 import { Avatar, Button, Card, CardBody, Icon, Spinner, Stack, Text } from 'soapbox/components/ui';
 import { useOwnAccount } from 'soapbox/hooks';
-import resizeImage from 'soapbox/utils/resize_image';
+import resizeImage from 'soapbox/utils/resize-image';
 
 import type { AxiosError } from 'axios';
 
diff --git a/app/soapbox/features/status/components/status-interaction-bar.tsx b/app/soapbox/features/status/components/status-interaction-bar.tsx
index 79d4f82bd..a0abcf98e 100644
--- a/app/soapbox/features/status/components/status-interaction-bar.tsx
+++ b/app/soapbox/features/status/components/status-interaction-bar.tsx
@@ -7,7 +7,7 @@ import { useDispatch } from 'react-redux';
 import { openModal } from 'soapbox/actions/modals';
 import { HStack, IconButton, Text, Emoji } from 'soapbox/components/ui';
 import { useAppSelector, useSoapboxConfig, useFeatures } from 'soapbox/hooks';
-import { reduceEmoji } from 'soapbox/utils/emoji_reacts';
+import { reduceEmoji } from 'soapbox/utils/emoji-reacts';
 
 import type { Status } from 'soapbox/types/entities';
 
diff --git a/app/soapbox/features/ui/components/profile_familiar_followers.tsx b/app/soapbox/features/ui/components/profile_familiar_followers.tsx
index dcb3b3d87..2d395a2a6 100644
--- a/app/soapbox/features/ui/components/profile_familiar_followers.tsx
+++ b/app/soapbox/features/ui/components/profile_familiar_followers.tsx
@@ -6,7 +6,7 @@ import { Link } from 'react-router-dom';
 
 import { fetchAccountFamiliarFollowers } from 'soapbox/actions/familiar_followers';
 import { openModal } from 'soapbox/actions/modals';
-import HoverRefWrapper from 'soapbox/components/hover_ref_wrapper';
+import HoverRefWrapper from 'soapbox/components/hover-ref-wrapper';
 import { Text } from 'soapbox/components/ui';
 import VerificationBadge from 'soapbox/components/verification-badge';
 import { useAppSelector, useFeatures } from 'soapbox/hooks';
diff --git a/app/soapbox/features/video/index.tsx b/app/soapbox/features/video/index.tsx
index 871e80774..f418714bd 100644
--- a/app/soapbox/features/video/index.tsx
+++ b/app/soapbox/features/video/index.tsx
@@ -7,7 +7,7 @@ import { defineMessages, useIntl, FormattedMessage } from 'react-intl';
 import Blurhash from 'soapbox/components/blurhash';
 import Icon from 'soapbox/components/icon';
 import { useSettings } from 'soapbox/hooks';
-import { isPanoramic, isPortrait, minimumAspectRatio, maximumAspectRatio } from 'soapbox/utils/media_aspect_ratio';
+import { isPanoramic, isPortrait, minimumAspectRatio, maximumAspectRatio } from 'soapbox/utils/media-aspect-ratio';
 
 import { isFullscreen, requestFullscreen, exitFullscreen } from '../ui/util/fullscreen';
 
diff --git a/app/soapbox/reducers/admin.ts b/app/soapbox/reducers/admin.ts
index b51368f46..19a803f16 100644
--- a/app/soapbox/reducers/admin.ts
+++ b/app/soapbox/reducers/admin.ts
@@ -25,7 +25,7 @@ import { normalizeId } from 'soapbox/utils/normalizers';
 
 import type { AnyAction } from 'redux';
 import type { APIEntity } from 'soapbox/types/entities';
-import type { Config } from 'soapbox/utils/config_db';
+import type { Config } from 'soapbox/utils/config-db';
 
 const ReducerRecord = ImmutableRecord({
   reports: ImmutableMap<string, ReducerAdminReport>(),
diff --git a/app/soapbox/reducers/instance.ts b/app/soapbox/reducers/instance.ts
index bf3c47463..1c15891e9 100644
--- a/app/soapbox/reducers/instance.ts
+++ b/app/soapbox/reducers/instance.ts
@@ -4,7 +4,7 @@ import { ADMIN_CONFIG_UPDATE_REQUEST, ADMIN_CONFIG_UPDATE_SUCCESS } from 'soapbo
 import { PLEROMA_PRELOAD_IMPORT } from 'soapbox/actions/preload';
 import { normalizeInstance } from 'soapbox/normalizers/instance';
 import KVStore from 'soapbox/storage/kv-store';
-import { ConfigDB } from 'soapbox/utils/config_db';
+import { ConfigDB } from 'soapbox/utils/config-db';
 
 import {
   rememberInstance,
diff --git a/app/soapbox/reducers/soapbox.js b/app/soapbox/reducers/soapbox.js
index 0cd8ed9b4..b959a5596 100644
--- a/app/soapbox/reducers/soapbox.js
+++ b/app/soapbox/reducers/soapbox.js
@@ -2,7 +2,7 @@ import { Map as ImmutableMap, fromJS } from 'immutable';
 
 import { PLEROMA_PRELOAD_IMPORT } from 'soapbox/actions/preload';
 import KVStore from 'soapbox/storage/kv-store';
-import { ConfigDB } from 'soapbox/utils/config_db';
+import { ConfigDB } from 'soapbox/utils/config-db';
 
 import { ADMIN_CONFIG_UPDATE_SUCCESS } from '../actions/admin';
 import {
diff --git a/app/soapbox/reducers/statuses.ts b/app/soapbox/reducers/statuses.ts
index 088191edd..e63cd48c3 100644
--- a/app/soapbox/reducers/statuses.ts
+++ b/app/soapbox/reducers/statuses.ts
@@ -3,7 +3,7 @@ import { Map as ImmutableMap, List as ImmutableList, fromJS } from 'immutable';
 
 import emojify from 'soapbox/features/emoji/emoji';
 import { normalizeStatus } from 'soapbox/normalizers';
-import { simulateEmojiReact, simulateUnEmojiReact } from 'soapbox/utils/emoji_reacts';
+import { simulateEmojiReact, simulateUnEmojiReact } from 'soapbox/utils/emoji-reacts';
 import { stripCompatibilityFeatures, unescapeHTML } from 'soapbox/utils/html';
 import { makeEmojiMap, normalizeId } from 'soapbox/utils/normalizers';
 
diff --git a/app/soapbox/selectors/index.ts b/app/soapbox/selectors/index.ts
index 84165fc98..047faefa6 100644
--- a/app/soapbox/selectors/index.ts
+++ b/app/soapbox/selectors/index.ts
@@ -9,7 +9,7 @@ import { createSelector } from 'reselect';
 import { getSettings } from 'soapbox/actions/settings';
 import { getDomain } from 'soapbox/utils/accounts';
 import { validId } from 'soapbox/utils/auth';
-import ConfigDB from 'soapbox/utils/config_db';
+import ConfigDB from 'soapbox/utils/config-db';
 import { shouldFilter } from 'soapbox/utils/timelines';
 
 import type { ReducerChat } from 'soapbox/reducers/chats';
diff --git a/app/soapbox/utils/__tests__/config_db.test.ts b/app/soapbox/utils/__tests__/config-db.test.ts
similarity index 90%
rename from app/soapbox/utils/__tests__/config_db.test.ts
rename to app/soapbox/utils/__tests__/config-db.test.ts
index a83757eb3..8f398ee9a 100644
--- a/app/soapbox/utils/__tests__/config_db.test.ts
+++ b/app/soapbox/utils/__tests__/config-db.test.ts
@@ -2,7 +2,7 @@ import { List as ImmutableList, fromJS } from 'immutable';
 
 import config_db from 'soapbox/__fixtures__/config_db.json';
 
-import { ConfigDB } from '../config_db';
+import { ConfigDB } from '../config-db';
 
 test('find', () => {
   const configs = fromJS(config_db).get('configs');
diff --git a/app/soapbox/utils/__tests__/emoji_reacts.test.ts b/app/soapbox/utils/__tests__/emoji-reacts.test.ts
similarity index 99%
rename from app/soapbox/utils/__tests__/emoji_reacts.test.ts
rename to app/soapbox/utils/__tests__/emoji-reacts.test.ts
index 14832210c..97f8e34db 100644
--- a/app/soapbox/utils/__tests__/emoji_reacts.test.ts
+++ b/app/soapbox/utils/__tests__/emoji-reacts.test.ts
@@ -11,7 +11,7 @@ import {
   getReactForStatus,
   simulateEmojiReact,
   simulateUnEmojiReact,
-} from '../emoji_reacts';
+} from '../emoji-reacts';
 
 const ALLOWED_EMOJI = ImmutableList([
   '👍',
diff --git a/app/soapbox/utils/config_db.ts b/app/soapbox/utils/config-db.ts
similarity index 100%
rename from app/soapbox/utils/config_db.ts
rename to app/soapbox/utils/config-db.ts
diff --git a/app/soapbox/utils/emoji_reacts.ts b/app/soapbox/utils/emoji-reacts.ts
similarity index 100%
rename from app/soapbox/utils/emoji_reacts.ts
rename to app/soapbox/utils/emoji-reacts.ts
diff --git a/app/soapbox/utils/favicon_service.ts b/app/soapbox/utils/favicon-service.ts
similarity index 100%
rename from app/soapbox/utils/favicon_service.ts
rename to app/soapbox/utils/favicon-service.ts
diff --git a/app/soapbox/utils/greentext.ts b/app/soapbox/utils/greentext.ts
index eab93b22a..70c5e05d8 100644
--- a/app/soapbox/utils/greentext.ts
+++ b/app/soapbox/utils/greentext.ts
@@ -1,4 +1,4 @@
-import { processHtml } from './tiny_post_html_processor';
+import { processHtml } from './tiny-post-html-processor';
 
 export const addGreentext = (html: string): string => {
   // Copied from Pleroma FE
diff --git a/app/soapbox/utils/media_aspect_ratio.ts b/app/soapbox/utils/media-aspect-ratio.ts
similarity index 100%
rename from app/soapbox/utils/media_aspect_ratio.ts
rename to app/soapbox/utils/media-aspect-ratio.ts
diff --git a/app/soapbox/utils/resize_image.ts b/app/soapbox/utils/resize-image.ts
similarity index 100%
rename from app/soapbox/utils/resize_image.ts
rename to app/soapbox/utils/resize-image.ts
diff --git a/app/soapbox/utils/rich_content.ts b/app/soapbox/utils/rich-content.ts
similarity index 100%
rename from app/soapbox/utils/rich_content.ts
rename to app/soapbox/utils/rich-content.ts
diff --git a/app/soapbox/utils/soapbox_prop_types.ts b/app/soapbox/utils/soapbox-prop-types.ts
similarity index 100%
rename from app/soapbox/utils/soapbox_prop_types.ts
rename to app/soapbox/utils/soapbox-prop-types.ts
diff --git a/app/soapbox/utils/tiny_post_html_processor.ts b/app/soapbox/utils/tiny-post-html-processor.ts
similarity index 100%
rename from app/soapbox/utils/tiny_post_html_processor.ts
rename to app/soapbox/utils/tiny-post-html-processor.ts