diff --git a/package.json b/package.json
index 70bc945806..4eed6de06f 100644
--- a/package.json
+++ b/package.json
@@ -222,6 +222,7 @@
     "tippy.js": "^6.3.7",
     "tlds": "^1.234.0",
     "tldts": "^6.1.46",
+    "unicode-segmenter": "^0.14.5",
     "zod": "^3.20.2"
   },
   "devDependencies": {
@@ -286,7 +287,8 @@
     "**/expo-constants": "18.0.8",
     "**/expo-device": "7.1.4",
     "**/zod": "3.23.8",
-    "**/multiformats": "9.9.0"
+    "**/multiformats": "9.9.0",
+    "unicode-segmenter": "0.14.5"
   },
   "jest": {
     "preset": "jest-expo/ios",
diff --git a/src/components/dialogs/lists/CreateOrEditListDialog.tsx b/src/components/dialogs/lists/CreateOrEditListDialog.tsx
index 203882d809..e71a281687 100644
--- a/src/components/dialogs/lists/CreateOrEditListDialog.tsx
+++ b/src/components/dialogs/lists/CreateOrEditListDialog.tsx
@@ -5,7 +5,7 @@ import {msg, Plural, Trans} from '@lingui/macro'
 import {useLingui} from '@lingui/react'
 
 import {cleanError} from '#/lib/strings/errors'
-import {useWarnMaxGraphemeCount} from '#/lib/strings/helpers'
+import {isOverMaxGraphemeCount} from '#/lib/strings/helpers'
 import {richTextToString} from '#/lib/strings/rich-text-helpers'
 import {shortenLinks, stripInvalidMentions} from '#/lib/strings/rich-text-manip'
 import {logger} from '#/logger'
@@ -259,11 +259,11 @@ function DialogInner({
     _,
   ])
 
-  const displayNameTooLong = useWarnMaxGraphemeCount({
+  const displayNameTooLong = isOverMaxGraphemeCount({
     text: displayName,
     maxCount: DISPLAY_NAME_MAX_GRAPHEMES,
   })
-  const descriptionTooLong = useWarnMaxGraphemeCount({
+  const descriptionTooLong = isOverMaxGraphemeCount({
     text: descriptionRt,
     maxCount: DESCRIPTION_MAX_GRAPHEMES,
   })
diff --git a/src/lib/strings/helpers.ts b/src/lib/strings/helpers.ts
index 9ecbfd38d0..b654721ea2 100644
--- a/src/lib/strings/helpers.ts
+++ b/src/lib/strings/helpers.ts
@@ -1,6 +1,5 @@
-import {useCallback, useMemo} from 'react'
 import {type RichText} from '@atproto/api'
-import Graphemer from 'graphemer'
+import {countGraphemes} from 'unicode-segmenter/grapheme'
 
 import {shortenLinks} from './rich-text-manip'
 
@@ -29,37 +28,18 @@ export function enforceLen(
   return str
 }
 
-export function useEnforceMaxGraphemeCount() {
-  const splitter = useMemo(() => new Graphemer(), [])
-
-  return useCallback(
-    (text: string, maxCount: number) => {
-      if (splitter.countGraphemes(text) > maxCount) {
-        return splitter.splitGraphemes(text).slice(0, maxCount).join('')
-      } else {
-        return text
-      }
-    },
-    [splitter],
-  )
-}
-
-export function useWarnMaxGraphemeCount({
+export function isOverMaxGraphemeCount({
   text,
   maxCount,
 }: {
   text: string | RichText
   maxCount: number
 }) {
-  const splitter = useMemo(() => new Graphemer(), [])
-
-  return useMemo(() => {
-    if (typeof text === 'string') {
-      return splitter.countGraphemes(text) > maxCount
-    } else {
-      return shortenLinks(text).graphemeLength > maxCount
-    }
-  }, [splitter, maxCount, text])
+  if (typeof text === 'string') {
+    return countGraphemes(text) > maxCount
+  } else {
+    return shortenLinks(text).graphemeLength > maxCount
+  }
 }
 
 export function countLines(str: string | undefined): number {
diff --git a/src/screens/Messages/components/MessageInput.tsx b/src/screens/Messages/components/MessageInput.tsx
index 87f22b2329..9f58d95950 100644
--- a/src/screens/Messages/components/MessageInput.tsx
+++ b/src/screens/Messages/components/MessageInput.tsx
@@ -14,7 +14,7 @@ import Animated, {
 import {useSafeAreaInsets} from 'react-native-safe-area-context'
 import {msg} from '@lingui/macro'
 import {useLingui} from '@lingui/react'
-import Graphemer from 'graphemer'
+import {countGraphemes} from 'unicode-segmenter/grapheme'
 
 import {HITSLOP_10, MAX_DM_GRAPHEME_LENGTH} from '#/lib/constants'
 import {useHaptics} from '#/lib/haptics'
@@ -75,7 +75,7 @@ export function MessageInput({
     if (!hasEmbed && message.trim() === '') {
       return
     }
-    if (new Graphemer().countGraphemes(message) > MAX_DM_GRAPHEME_LENGTH) {
+    if (countGraphemes(message) > MAX_DM_GRAPHEME_LENGTH) {
       Toast.show(_(msg`Message is too long`), 'xmark')
       return
     }
diff --git a/src/screens/Messages/components/MessageInput.web.tsx b/src/screens/Messages/components/MessageInput.web.tsx
index 0893479162..deb77b51d7 100644
--- a/src/screens/Messages/components/MessageInput.web.tsx
+++ b/src/screens/Messages/components/MessageInput.web.tsx
@@ -2,9 +2,9 @@ import React from 'react'
 import {Pressable, View} from 'react-native'
 import {msg} from '@lingui/macro'
 import {useLingui} from '@lingui/react'
-import Graphemer from 'graphemer'
 import {flushSync} from 'react-dom'
 import TextareaAutosize from 'react-textarea-autosize'
+import {countGraphemes} from 'unicode-segmenter/grapheme'
 
 import {isSafari, isTouchDevice} from '#/lib/browser'
 import {MAX_DM_GRAPHEME_LENGTH} from '#/lib/constants'
@@ -56,7 +56,7 @@ export function MessageInput({
     if (!hasEmbed && message.trim() === '') {
       return
     }
-    if (new Graphemer().countGraphemes(message) > MAX_DM_GRAPHEME_LENGTH) {
+    if (countGraphemes(message) > MAX_DM_GRAPHEME_LENGTH) {
       Toast.show(_(msg`Message is too long`), 'xmark')
       return
     }
diff --git a/src/screens/Profile/Header/EditProfileDialog.tsx b/src/screens/Profile/Header/EditProfileDialog.tsx
index 6fcd3a488e..68b7777bc4 100644
--- a/src/screens/Profile/Header/EditProfileDialog.tsx
+++ b/src/screens/Profile/Header/EditProfileDialog.tsx
@@ -6,7 +6,7 @@ import {useLingui} from '@lingui/react'
 
 import {urls} from '#/lib/constants'
 import {cleanError} from '#/lib/strings/errors'
-import {useWarnMaxGraphemeCount} from '#/lib/strings/helpers'
+import {isOverMaxGraphemeCount} from '#/lib/strings/helpers'
 import {logger} from '#/logger'
 import {type ImageMeta} from '#/state/gallery'
 import {useProfileUpdateMutation} from '#/state/queries/profile'
@@ -203,11 +203,11 @@ function DialogInner({
     _,
   ])
 
-  const displayNameTooLong = useWarnMaxGraphemeCount({
+  const displayNameTooLong = isOverMaxGraphemeCount({
     text: displayName,
     maxCount: DISPLAY_NAME_MAX_GRAPHEMES,
   })
-  const descriptionTooLong = useWarnMaxGraphemeCount({
+  const descriptionTooLong = isOverMaxGraphemeCount({
     text: description,
     maxCount: DESCRIPTION_MAX_GRAPHEMES,
   })
diff --git a/src/screens/Takendown.tsx b/src/screens/Takendown.tsx
index 77f219e55d..0f40897a18 100644
--- a/src/screens/Takendown.tsx
+++ b/src/screens/Takendown.tsx
@@ -1,4 +1,4 @@
-import {useMemo, useState} from 'react'
+import {useState} from 'react'
 import {View} from 'react-native'
 import {KeyboardAwareScrollView} from 'react-native-keyboard-controller'
 import {useSafeAreaInsets} from 'react-native-safe-area-context'
@@ -6,7 +6,7 @@ import {type ComAtprotoAdminDefs, ToolsOzoneReportDefs} from '@atproto/api'
 import {msg, Trans} from '@lingui/macro'
 import {useLingui} from '@lingui/react'
 import {useMutation} from '@tanstack/react-query'
-import Graphemer from 'graphemer'
+import {countGraphemes} from 'unicode-segmenter/grapheme'
 
 import {
   BLUESKY_MOD_SERVICE_HEADERS,
@@ -37,11 +37,10 @@ export function Takendown() {
   const agent = useAgent()
   const [isAppealling, setIsAppealling] = useState(false)
   const [reason, setReason] = useState('')
-  const graphemer = useMemo(() => new Graphemer(), [])
 
-  const reasonGraphemeLength = useMemo(() => {
-    return graphemer.countGraphemes(reason)
-  }, [graphemer, reason])
+  const reasonGraphemeLength = countGraphemes(reason)
+  const isOverMaxLength =
+    reasonGraphemeLength > MAX_REPORT_REASON_GRAPHEME_LENGTH
 
   const {
     mutate: submitAppeal,
@@ -72,14 +71,11 @@ export function Takendown() {
   const primaryBtn =
     isAppealling && !isSuccess ? (
       <Button
-        variant="solid"
         color="primary"
         size="large"
         label={_(msg`Submit appeal`)}
         onPress={() => submitAppeal(reason)}
-        disabled={
-          isPending || reasonGraphemeLength > MAX_REPORT_REASON_GRAPHEME_LENGTH
-        }>
+        disabled={isPending || isOverMaxLength}>
         <ButtonText>
           <Trans>Submit Appeal</Trans>
         </ButtonText>
@@ -87,7 +83,6 @@ export function Takendown() {
       </Button>
     ) : (
       <Button
-        variant="solid"
         size="large"
         color="secondary_inverted"
         label={_(msg`Sign out`)}
@@ -204,7 +199,7 @@ export function Takendown() {
                   <Text
                     style={[
                       a.text_md,
-                      a.leading_normal,
+                      a.leading_snug,
                       {color: t.palette.negative_500},
                       a.mt_lg,
                     ]}>
@@ -213,13 +208,13 @@ export function Takendown() {
                 )}
               </View>
             ) : (
-              <P style={[t.atoms.text_contrast_medium]}>
+              <P style={[t.atoms.text_contrast_medium, a.leading_snug]}>
                 <Trans>
                   Your account was found to be in violation of the{' '}
                   <SimpleInlineLinkText
                     label={_(msg`Bluesky Social Terms of Service`)}
                     to="https://bsky.social/about/support/tos"
-                    style={[a.text_md, a.leading_normal]}>
+                    style={[a.text_md, a.leading_snug]}>
                     Bluesky Social Terms of Service
                   </SimpleInlineLinkText>
                   . You have been sent an email outlining the specific violation
diff --git a/src/view/com/composer/text-input/TextInput.web.tsx b/src/view/com/composer/text-input/TextInput.web.tsx
index c1efce8c5e..3f12b2f597 100644
--- a/src/view/com/composer/text-input/TextInput.web.tsx
+++ b/src/view/com/composer/text-input/TextInput.web.tsx
@@ -20,7 +20,7 @@ import {Text as TiptapText} from '@tiptap/extension-text'
 import {generateJSON} from '@tiptap/html'
 import {Fragment, Node, Slice} from '@tiptap/pm/model'
 import {EditorContent, type JSONContent, useEditor} from '@tiptap/react'
-import Graphemer from 'graphemer'
+import {splitGraphemes} from 'unicode-segmenter/grapheme'
 
 import {useColorSchemeStyle} from '#/lib/hooks/useColorSchemeStyle'
 import {blobToDataUri, isUriImage} from '#/lib/media/util'
@@ -218,7 +218,7 @@ export function TextInput({
                 // all the lines get mushed together -sfn
                 '\n',
               )
-              const graphemes = new Graphemer().splitGraphemes(textBefore)
+              const graphemes = [...splitGraphemes(textBefore)]
 
               if (graphemes.length > 0) {
                 const lastGrapheme = graphemes[graphemes.length - 1]
diff --git a/src/view/com/composer/text-input/hooks/useGrapheme.tsx b/src/view/com/composer/text-input/hooks/useGrapheme.tsx
deleted file mode 100644
index aa375ff470..0000000000
--- a/src/view/com/composer/text-input/hooks/useGrapheme.tsx
+++ /dev/null
@@ -1,36 +0,0 @@
-import {useCallback, useMemo} from 'react'
-import Graphemer from 'graphemer'
-
-export const useGrapheme = () => {
-  const splitter = useMemo(() => new Graphemer(), [])
-
-  const getGraphemeString = useCallback(
-    (name: string, length: number) => {
-      let remainingCharacters = 0
-
-      if (name.length > length) {
-        const graphemes = splitter.splitGraphemes(name)
-
-        if (graphemes.length > length) {
-          remainingCharacters = 0
-          name = `${graphemes.slice(0, length).join('')}…`
-        } else {
-          remainingCharacters = length - graphemes.length
-          name = graphemes.join('')
-        }
-      } else {
-        remainingCharacters = length - name.length
-      }
-
-      return {
-        name,
-        remainingCharacters,
-      }
-    },
-    [splitter],
-  )
-
-  return {
-    getGraphemeString,
-  }
-}
diff --git a/src/view/com/composer/videos/SubtitleDialog.tsx b/src/view/com/composer/videos/SubtitleDialog.tsx
index a3e8d62b5f..e2f7ac9473 100644
--- a/src/view/com/composer/videos/SubtitleDialog.tsx
+++ b/src/view/com/composer/videos/SubtitleDialog.tsx
@@ -4,7 +4,7 @@ import {msg, Trans} from '@lingui/macro'
 import {useLingui} from '@lingui/react'
 
 import {MAX_ALT_TEXT} from '#/lib/constants'
-import {useEnforceMaxGraphemeCount} from '#/lib/strings/helpers'
+import {isOverMaxGraphemeCount} from '#/lib/strings/helpers'
 import {LANGUAGES} from '#/locale/languages'
 import {isWeb} from '#/platform/detection'
 import {useLanguagePrefs} from '#/state/preferences'
@@ -72,7 +72,6 @@ function SubtitleDialogInner({
   const control = Dialog.useDialogContext()
   const {_} = useLingui()
   const t = useTheme()
-  const enforceLen = useEnforceMaxGraphemeCount()
   const {primaryLanguage} = useLanguagePrefs()
 
   const [altText, setAltText] = useState(defaultAltText)
@@ -94,18 +93,23 @@ function SubtitleDialogInner({
 
   const subtitleMissingLanguage = captions.some(sub => sub.lang === '')
 
+  const isOverMaxLength = isOverMaxGraphemeCount({
+    text: altText,
+    maxCount: MAX_ALT_TEXT,
+  })
+
   return (
     <Dialog.ScrollableInner label={_(msg`Video settings`)}>
       <View style={a.gap_md}>
         <Text style={[a.text_xl, a.font_semi_bold, a.leading_tight]}>
           <Trans>Alt text</Trans>
         </Text>
-        <TextField.Root>
+        <TextField.Root isInvalid={isOverMaxLength}>
           <Dialog.Input
             label={_(msg`Alt text`)}
             placeholder={_(msg`Add alt text (optional)`)}
             value={altText}
-            onChangeText={evt => setAltText(enforceLen(evt, MAX_ALT_TEXT))}
+            onChangeText={setAltText}
             maxLength={MAX_ALT_TEXT * 10}
             multiline
             style={{maxHeight: 300}}
@@ -118,6 +122,18 @@ function SubtitleDialogInner({
           />
         </TextField.Root>
 
+        {isOverMaxLength && (
+          <Text
+            style={[
+              a.text_md,
+              {color: t.palette.negative_500},
+              a.leading_snug,
+              a.mt_md,
+            ]}>
+            <Trans>Alt text must be less than {MAX_ALT_TEXT} characters.</Trans>
+          </Text>
+        )}
+
         {isWeb && (
           <>
             <View
@@ -173,7 +189,8 @@ function SubtitleDialogInner({
               saveAltText(altText)
               control.close()
             }}
-            style={a.mt_lg}>
+            style={a.mt_lg}
+            disabled={isOverMaxLength}>
             <ButtonText>
               <Trans>Done</Trans>
             </ButtonText>
diff --git a/yarn.lock b/yarn.lock
index 0204e500c7..9c3baf231c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -19158,10 +19158,10 @@ unicode-property-aliases-ecmascript@^2.0.0:
   resolved "https://registry.yarnpkg.com/unicode-property-aliases-ecmascript/-/unicode-property-aliases-ecmascript-2.1.0.tgz#43d41e3be698bd493ef911077c9b131f827e8ccd"
   integrity sha512-6t3foTQI9qne+OZoVQB/8x8rk2k1eVy1gRXhV3oFQ5T6R1dqQ1xtin3XqSlx3+ATBkliTaR/hHyJBm+LVPNM8w==
 
-unicode-segmenter@^0.14.0:
-  version "0.14.0"
-  resolved "https://registry.yarnpkg.com/unicode-segmenter/-/unicode-segmenter-0.14.0.tgz#090128182bcc710327a1b7e4af4f5834444eaa61"
-  integrity sha512-AH4lhPCJANUnSLEKnM4byboctePJzltF4xj8b+NbNiYeAkAXGh7px2K/4NANFp7dnr6+zB3e6HLu8Jj8SKyvYg==
+unicode-segmenter@0.14.5, unicode-segmenter@^0.14.0, unicode-segmenter@^0.14.5:
+  version "0.14.5"
+  resolved "https://registry.yarnpkg.com/unicode-segmenter/-/unicode-segmenter-0.14.5.tgz#c658f6dd30de172cdcd94542adc205ba43fb63c6"
+  integrity sha512-jHGmj2LUuqDcX3hqY12Ql+uhUTn8huuxNZGq7GvtF6bSybzH3aFgedYu/KTzQStEgt1Ra2F3HxadNXsNjb3m3g==
 
 unimodules-app-loader@~6.0.8:
   version "6.0.8"