diff --git a/ui/scripts/check-i18n-catalogs.mjs b/ui/scripts/check-i18n-catalogs.mjs
index 5898f7e1..914e9a2e 100644
--- a/ui/scripts/check-i18n-catalogs.mjs
+++ b/ui/scripts/check-i18n-catalogs.mjs
@@ -4,7 +4,7 @@ import { dirname, join } from 'node:path'
 import { fileURLToPath } from 'node:url'
 
 const ROOT = join(dirname(fileURLToPath(import.meta.url)), '..')
-const NAMESPACES = ['common', 'navigation', 'settings', 'wizard', 'activity']
+const NAMESPACES = ['common', 'navigation', 'settings', 'wizard', 'activity', 'extraInfo']
 const LANGUAGES = ['en', 'es']
 
 function load(language, namespace) {
@@ -52,6 +52,8 @@ const FORBIDDEN = [
   'Pregunta al mago',
   'Carpetas de salida',
   'Extra info',
+  'Clip information',
+  'Wait for generation to finish',
 ]
 
 export function forbiddenLiterals() {
diff --git a/ui/src/components/MainContent/VideoExtraInfoDialog.tsx b/ui/src/components/MainContent/VideoExtraInfoDialog.tsx
index b5b78d68..c93d186d 100644
--- a/ui/src/components/MainContent/VideoExtraInfoDialog.tsx
+++ b/ui/src/components/MainContent/VideoExtraInfoDialog.tsx
@@ -1,5 +1,6 @@
 import { useEffect, useState } from 'react'
 import { createPortal } from 'react-dom'
+import type { TFunction } from 'i18next'
 import { BadgeInfo, CalendarDays, Check, Clock3, Copy, FileVideo2, Languages, Loader2, MessageSquareText, RefreshCw, SlidersHorizontal, Sparkles, X, Youtube } from 'lucide-react'
 import { fetchVideoExtraInfo, generateVideoExtraInfo } from '../../api/client'
 import { useUiTranslation } from '../../i18n'
@@ -50,6 +51,7 @@ async function copyText(value: string) {
 }
 
 function CopyButton({ value, label }: { value: string; label: string }) {
+  const { t } = useUiTranslation('extraInfo')
   const [copied, setCopied] = useState(false)
   const copy = async () => {
     await copyText(value)
@@ -61,10 +63,10 @@ function CopyButton({ value, label }: { value: string; label: string }) {
       type="button"
       onClick={copy}
       className="inline-flex items-center gap-1 rounded-md px-2 py-1 text-[10px] text-text-muted hover:bg-bg-hover hover:text-text-primary transition-colors"
-      title={`Copy ${label}`}
+      title={t('copy.title', { label })}
     >
       {copied ? <Check size={11} className="text-accent-green" /> : <Copy size={11} />}
-      {copied ? 'Copied' : 'Copy'}
+      {copied ? t('copy.copied') : t('copy.action')}
     </button>
   )
 }
@@ -86,32 +88,34 @@ function formatDate(timestamp: number | null) {
   return new Date(timestamp * 1000).toLocaleString()
 }
 
-function clipInfoAsText(clip: VideoClipInfo) {
+function clipInfoAsText(clip: VideoClipInfo, t: TFunction<'extraInfo'>) {
   const breakdown = formatGenerationBreakdown(clip.generation_timings)
   const lines = [
-    'CLIP INFORMATION',
-    `File: ${clip.name}`,
-    clip.created_at ? `Generated: ${formatDate(clip.created_at)}` : '',
-    clip.file_size_bytes ? `File size: ${formatBytes(clip.file_size_bytes)}` : '',
-    clip.generation_time_sec != null ? `Generation time: ${formatGenerationDuration(clip.generation_time_sec)}` : '',
-    breakdown ? `Timing breakdown: ${breakdown}` : '',
-    clip.model_type ? `Model: ${clip.model_type}` : '',
-    clip.resolution ? `Resolution: ${clip.resolution}` : '',
-    clip.video_length_frames != null ? `Frames: ${clip.video_length_frames}` : '',
-    clip.num_inference_steps != null ? `Inference steps: ${clip.num_inference_steps}` : '',
-    clip.guidance_scale != null ? `Guidance: ${clip.guidance_scale}` : '',
-    clip.seed != null ? `Seed: ${clip.seed}` : '',
-    clip.job_id ? `Job ID: ${clip.job_id}` : '',
-    clip.prompt ? `\nPROMPT\n${clip.prompt}` : '',
-    clip.audio_prompt ? `\nAUDIO PROMPT\n${clip.audio_prompt}` : '',
-    clip.negative_prompt ? `\nNEGATIVE PROMPT\n${clip.negative_prompt}` : '',
-    `\nALL SAVED METADATA\n${JSON.stringify(clip.saved_metadata, null, 2)}`,
+    t('clip.title').toUpperCase(),
+    `${t('clip.file')}: ${clip.name}`,
+    clip.created_at ? `${t('clip.generated')}: ${formatDate(clip.created_at)}` : '',
+    clip.file_size_bytes ? `${t('clip.fileSize')}: ${formatBytes(clip.file_size_bytes)}` : '',
+    clip.generation_time_sec != null ? `${t('clip.generationTime')}: ${formatGenerationDuration(clip.generation_time_sec)}` : '',
+    breakdown ? `${t('clip.timingBreakdown')}: ${breakdown}` : '',
+    clip.model_type ? `${t('clip.model')}: ${clip.model_type}` : '',
+    clip.resolution ? `${t('clip.resolution')}: ${clip.resolution}` : '',
+    clip.video_length_frames != null ? `${t('clip.frames')}: ${clip.video_length_frames}` : '',
+    clip.num_inference_steps != null ? `${t('clip.inferenceSteps')}: ${clip.num_inference_steps}` : '',
+    clip.guidance_scale != null ? `${t('clip.guidance')}: ${clip.guidance_scale}` : '',
+    clip.seed != null ? `${t('clip.seed')}: ${clip.seed}` : '',
+    clip.job_id ? `${t('clip.jobId')}: ${clip.job_id}` : '',
+    clip.prompt ? `\n${t('clip.prompt').toUpperCase()}\n${clip.prompt}` : '',
+    clip.audio_prompt ? `\n${t('clip.audioPrompt').toUpperCase()}\n${clip.audio_prompt}` : '',
+    clip.negative_prompt ? `\n${t('clip.negativePrompt').toUpperCase()}\n${clip.negative_prompt}` : '',
+    `\n${t('clip.allSavedMetadata').toUpperCase()}\n${JSON.stringify(clip.saved_metadata, null, 2)}`,
   ]
   return lines.filter(Boolean).join('\n')
 }
 
 export function VideoExtraInfoDialog({ name, onClose }: { name: string; onClose: () => void }) {
-  const { t } = useUiTranslation('activity')
+  const { t: tActivity } = useUiTranslation('activity')
+  const { t } = useUiTranslation('extraInfo')
+  const { t: tCommon } = useUiTranslation('common')
   const [language, setLanguage] = useState(initialLanguage)
   const [status, setStatus] = useState<VideoExtraInfoStatus | null>(null)
   const [data, setData] = useState<VideoExtraInfo | null>(null)
@@ -144,13 +148,13 @@ export function VideoExtraInfoDialog({ name, onClose }: { name: string; onClose:
         setData(result.data)
       })
       .catch(reason => {
-        if (active) setError(reason instanceof Error ? reason.message : 'Failed to load extra info')
+        if (active) setError(reason instanceof Error ? reason.message : t('errors.loadFailed'))
       })
       .finally(() => {
         if (active) setLoading(false)
       })
     return () => { active = false }
-  }, [language, name])
+  }, [language, name, t])
 
   const generate = async () => {
     if (generating) return
@@ -161,16 +165,16 @@ export function VideoExtraInfoDialog({ name, onClose }: { name: string; onClose:
       setData(result.data)
       setStatus(previous => previous ? { ...previous, available: true, data: result.data } : previous)
     } catch (reason) {
-      setError(reason instanceof Error ? reason.message : 'Failed to generate extra info')
+      setError(reason instanceof Error ? reason.message : t('errors.generateFailed'))
     } finally {
       setGenerating(false)
     }
   }
 
   const clip = status?.clip || null
-  const clipCopy = clip ? clipInfoAsText(clip) : ''
+  const clipCopy = clip ? clipInfoAsText(clip, t) : ''
   const publishingCopy = data
-    ? `PUBLISHING COPY\n${data.overview}\n\nYouTube\n${data.youtube.title}\n\n${data.youtube.description}\n\nX.com\n${data.x.post}`
+    ? `${t('publishing.heading').toUpperCase()}\n${data.overview}\n\n${t('publishing.youtube')}\n${data.youtube.title}\n\n${data.youtube.description}\n\n${t('publishing.xCom')}\n${data.x.post}`
     : ''
   const allCopy = [clipCopy, publishingCopy].filter(Boolean).join('\n\n')
   const generationBreakdown = clip ? formatGenerationBreakdown(clip.generation_timings) : ''
@@ -194,7 +198,7 @@ export function VideoExtraInfoDialog({ name, onClose }: { name: string; onClose:
             <BadgeInfo size={18} />
           </div>
           <div className="min-w-0 flex-1">
-            <h2 id="video-extra-info-title" className="text-sm font-semibold text-text-primary">{t('extraInfo')}</h2>
+            <h2 id="video-extra-info-title" className="text-sm font-semibold text-text-primary">{tActivity('extraInfo')}</h2>
             <p className="mt-1 truncate text-[11px] text-text-muted" title={name}>{name}</p>
           </div>
           <button
@@ -202,7 +206,7 @@ export function VideoExtraInfoDialog({ name, onClose }: { name: string; onClose:
             onClick={onClose}
             disabled={generating}
             className="rounded-lg p-1.5 text-text-muted hover:bg-bg-hover hover:text-text-primary disabled:opacity-40"
-            title={generating ? 'Wait for generation to finish' : 'Close'}
+            title={generating ? t('waitForGeneration') : tCommon('actions.close')}
           >
             <X size={16} />
           </button>
@@ -210,7 +214,7 @@ export function VideoExtraInfoDialog({ name, onClose }: { name: string; onClose:
 
         <div className="flex items-center gap-3 border-b border-border px-5 py-3">
           <Languages size={14} className="shrink-0 text-text-muted" />
-          <label htmlFor="extra-info-language" className="text-xs text-text-secondary">Language</label>
+          <label htmlFor="extra-info-language" className="text-xs text-text-secondary">{t('language')}</label>
           <select
             id="extra-info-language"
             value={language}
@@ -222,78 +226,78 @@ export function VideoExtraInfoDialog({ name, onClose }: { name: string; onClose:
           </select>
           {status && (
             <span className="ml-auto text-[10px] text-text-muted">
-              {status.prompt_count} saved prompt{status.prompt_count === 1 ? '' : 's'}
-              {status.director_context ? ' · Director production context' : ''}
+              {t('savedPrompts', { count: status.prompt_count })}
+              {status.director_context ? ` · ${t('directorContext')}` : ''}
             </span>
           )}
         </div>
 
         <div className="min-h-[260px] flex-1 overflow-y-auto px-5 py-4">
           <div className="mb-4 rounded-lg border border-border bg-bg-tertiary/60 px-3 py-2 text-[11px] leading-relaxed text-text-muted">
-            This is written from the prompts and production properties already saved with the video. The media is not re-analysed.
+            {t('intro')}
           </div>
 
           {clip && (
             <section className="mb-4 space-y-3 rounded-lg border border-accent-blue/25 bg-accent-blue/5 p-3">
               <div className="flex items-center justify-between gap-2">
                 <h3 className="flex items-center gap-1.5 text-xs font-medium text-text-primary">
-                  <FileVideo2 size={14} className="text-accent-blue" /> Clip information
+                  <FileVideo2 size={14} className="text-accent-blue" /> {t('clip.title')}
                 </h3>
-                <CopyButton value={clipCopy} label="clip information" />
+                <CopyButton value={clipCopy} label={t('copy.clipInformation')} />
               </div>
 
               <div className="grid grid-cols-2 gap-2 sm:grid-cols-3">
                 {clip.created_at != null && (
                   <div className="rounded-md bg-bg-primary/50 p-2">
-                    <div className="mb-1 flex items-center gap-1 text-[9px] uppercase tracking-wider text-text-muted"><CalendarDays size={10} /> Generated</div>
+                    <div className="mb-1 flex items-center gap-1 text-[9px] uppercase tracking-wider text-text-muted"><CalendarDays size={10} /> {t('clip.generated')}</div>
                     <div className="text-[11px] text-text-primary">{formatDate(clip.created_at)}</div>
                   </div>
                 )}
                 {clip.generation_time_sec != null && (
                   <div className="rounded-md bg-bg-primary/50 p-2">
-                    <div className="mb-1 flex items-center gap-1 text-[9px] uppercase tracking-wider text-text-muted"><Clock3 size={10} /> Generation time</div>
+                    <div className="mb-1 flex items-center gap-1 text-[9px] uppercase tracking-wider text-text-muted"><Clock3 size={10} /> {t('clip.generationTime')}</div>
                     <div className="text-[11px] text-text-primary">{formatGenerationDuration(clip.generation_time_sec)}</div>
                   </div>
                 )}
                 {clip.file_size_bytes > 0 && (
                   <div className="rounded-md bg-bg-primary/50 p-2">
-                    <div className="mb-1 text-[9px] uppercase tracking-wider text-text-muted">File size</div>
+                    <div className="mb-1 text-[9px] uppercase tracking-wider text-text-muted">{t('clip.fileSize')}</div>
                     <div className="text-[11px] text-text-primary">{formatBytes(clip.file_size_bytes)}</div>
                   </div>
                 )}
                 {clip.model_type && (
                   <div className="rounded-md bg-bg-primary/50 p-2">
-                    <div className="mb-1 text-[9px] uppercase tracking-wider text-text-muted">Model</div>
+                    <div className="mb-1 text-[9px] uppercase tracking-wider text-text-muted">{t('clip.model')}</div>
                     <div className="break-words text-[11px] text-text-primary">{clip.model_type}</div>
                   </div>
                 )}
                 {clip.resolution && (
                   <div className="rounded-md bg-bg-primary/50 p-2">
-                    <div className="mb-1 text-[9px] uppercase tracking-wider text-text-muted">Resolution</div>
+                    <div className="mb-1 text-[9px] uppercase tracking-wider text-text-muted">{t('clip.resolution')}</div>
                     <div className="text-[11px] text-text-primary">{clip.resolution}</div>
                   </div>
                 )}
                 {clip.video_length_frames != null && (
                   <div className="rounded-md bg-bg-primary/50 p-2">
-                    <div className="mb-1 text-[9px] uppercase tracking-wider text-text-muted">Frames</div>
+                    <div className="mb-1 text-[9px] uppercase tracking-wider text-text-muted">{t('clip.frames')}</div>
                     <div className="text-[11px] text-text-primary">{String(clip.video_length_frames)}</div>
                   </div>
                 )}
                 {clip.num_inference_steps != null && (
                   <div className="rounded-md bg-bg-primary/50 p-2">
-                    <div className="mb-1 text-[9px] uppercase tracking-wider text-text-muted">Inference steps</div>
+                    <div className="mb-1 text-[9px] uppercase tracking-wider text-text-muted">{t('clip.inferenceSteps')}</div>
                     <div className="text-[11px] text-text-primary">{String(clip.num_inference_steps)}</div>
                   </div>
                 )}
                 {clip.seed != null && (
                   <div className="rounded-md bg-bg-primary/50 p-2">
-                    <div className="mb-1 text-[9px] uppercase tracking-wider text-text-muted">Seed</div>
+                    <div className="mb-1 text-[9px] uppercase tracking-wider text-text-muted">{t('clip.seed')}</div>
                     <div className="break-all text-[11px] text-text-primary">{String(clip.seed)}</div>
                   </div>
                 )}
                 {clip.job_id && (
                   <div className="rounded-md bg-bg-primary/50 p-2">
-                    <div className="mb-1 text-[9px] uppercase tracking-wider text-text-muted">Job ID</div>
+                    <div className="mb-1 text-[9px] uppercase tracking-wider text-text-muted">{t('clip.jobId')}</div>
                     <div className="break-all text-[11px] text-text-primary">{clip.job_id}</div>
                   </div>
                 )}
@@ -301,25 +305,25 @@ export function VideoExtraInfoDialog({ name, onClose }: { name: string; onClose:
 
               {generationBreakdown && (
                 <div className="rounded-md bg-bg-primary/50 px-2.5 py-2 text-[10px] text-text-muted">
-                  <span className="font-medium text-text-secondary">Timing breakdown:</span> {generationBreakdown}
+                  <span className="font-medium text-text-secondary">{t('clip.timingBreakdown')}:</span> {generationBreakdown}
                 </div>
               )}
 
               <div className="rounded-md bg-bg-primary/50 p-2.5">
                 <div className="mb-1 flex items-center justify-between gap-2">
-                  <span className="text-[10px] uppercase tracking-wider text-text-muted">Generation prompt</span>
-                  {clip.prompt && <CopyButton value={clip.prompt} label="generation prompt" />}
+                  <span className="text-[10px] uppercase tracking-wider text-text-muted">{t('clip.generationPrompt')}</span>
+                  {clip.prompt && <CopyButton value={clip.prompt} label={t('copy.generationPrompt')} />}
                 </div>
                 <p className="max-h-64 overflow-y-auto whitespace-pre-wrap break-words text-xs leading-relaxed text-text-secondary">
-                  {clip.prompt || 'No prompt was saved for this clip.'}
+                  {clip.prompt || t('clip.noPrompt')}
                 </p>
               </div>
 
               {clip.audio_prompt && (
                 <div className="rounded-md bg-bg-primary/50 p-2.5">
                   <div className="mb-1 flex items-center justify-between gap-2">
-                    <span className="text-[10px] uppercase tracking-wider text-text-muted">Audio prompt</span>
-                    <CopyButton value={clip.audio_prompt} label="audio prompt" />
+                    <span className="text-[10px] uppercase tracking-wider text-text-muted">{t('clip.audioPrompt')}</span>
+                    <CopyButton value={clip.audio_prompt} label={t('copy.audioPrompt')} />
                   </div>
                   <p className="whitespace-pre-wrap break-words text-xs leading-relaxed text-text-secondary">{clip.audio_prompt}</p>
                 </div>
@@ -328,8 +332,8 @@ export function VideoExtraInfoDialog({ name, onClose }: { name: string; onClose:
               {clip.negative_prompt && (
                 <div className="rounded-md bg-bg-primary/50 p-2.5">
                   <div className="mb-1 flex items-center justify-between gap-2">
-                    <span className="text-[10px] uppercase tracking-wider text-text-muted">Negative prompt</span>
-                    <CopyButton value={clip.negative_prompt} label="negative prompt" />
+                    <span className="text-[10px] uppercase tracking-wider text-text-muted">{t('clip.negativePrompt')}</span>
+                    <CopyButton value={clip.negative_prompt} label={t('copy.negativePrompt')} />
                   </div>
                   <p className="whitespace-pre-wrap break-words text-xs leading-relaxed text-text-secondary">{clip.negative_prompt}</p>
                 </div>
@@ -337,9 +341,9 @@ export function VideoExtraInfoDialog({ name, onClose }: { name: string; onClose:
 
               <details className="rounded-md bg-bg-primary/50 p-2.5">
                 <summary className="flex cursor-pointer list-none items-center gap-1.5 text-[10px] uppercase tracking-wider text-text-muted hover:text-text-secondary">
-                  <SlidersHorizontal size={11} /> All saved settings
+                  <SlidersHorizontal size={11} /> {t('clip.allSavedSettings')}
                 </summary>
-                <div className="mt-2 flex justify-end"><CopyButton value={savedMetadata} label="all saved settings" /></div>
+                <div className="mt-2 flex justify-end"><CopyButton value={savedMetadata} label={t('copy.allSavedSettings')} /></div>
                 <pre className="mt-1 max-h-80 overflow-auto whitespace-pre-wrap break-words rounded bg-black/20 p-2 text-[10px] leading-relaxed text-text-muted">{savedMetadata}</pre>
               </details>
             </section>
@@ -348,7 +352,7 @@ export function VideoExtraInfoDialog({ name, onClose }: { name: string; onClose:
           {(loading || generating) && !data && (
             <div className="flex min-h-[190px] flex-col items-center justify-center gap-3 text-text-muted">
               <Loader2 size={22} className="animate-spin text-accent-blue" />
-              <span className="text-xs">{generating ? 'Writing platform copy…' : 'Checking saved extra info…'}</span>
+              <span className="text-xs">{generating ? t('status.writing') : t('status.checking')}</span>
             </div>
           )}
 
@@ -360,15 +364,15 @@ export function VideoExtraInfoDialog({ name, onClose }: { name: string; onClose:
             <div className="flex min-h-[180px] flex-col items-center justify-center gap-3 text-center">
               <Sparkles size={24} className="text-accent-blue" />
               <div>
-                <p className="text-sm text-text-primary">No copy saved in this language yet</p>
-                <p className="mt-1 text-[11px] text-text-muted">Generate a summary, YouTube metadata, and an x.com post.</p>
+                <p className="text-sm text-text-primary">{t('empty.title')}</p>
+                <p className="mt-1 text-[11px] text-text-muted">{t('empty.hint')}</p>
               </div>
               <button
                 type="button"
                 onClick={generate}
                 className="mt-1 inline-flex items-center gap-1.5 rounded-lg bg-accent-blue px-4 py-2 text-xs text-white hover:bg-accent-blue-hover"
               >
-                <Sparkles size={13} /> Generate
+                <Sparkles size={13} /> {t('empty.generate')}
               </button>
             </div>
           )}
@@ -377,8 +381,8 @@ export function VideoExtraInfoDialog({ name, onClose }: { name: string; onClose:
             <div className={`space-y-4 ${generating ? 'opacity-60' : ''}`}>
               <section className="rounded-lg border border-border bg-bg-tertiary/40 p-3">
                 <div className="mb-2 flex items-center justify-between">
-                  <h3 className="flex items-center gap-1.5 text-xs font-medium text-text-primary"><BadgeInfo size={13} /> What the video is</h3>
-                  <CopyButton value={data.overview} label="overview" />
+                  <h3 className="flex items-center gap-1.5 text-xs font-medium text-text-primary"><BadgeInfo size={13} /> {t('publishing.overview')}</h3>
+                  <CopyButton value={data.overview} label={t('copy.overview')} />
                 </div>
                 <p className="whitespace-pre-wrap text-xs leading-relaxed text-text-secondary">{data.overview}</p>
               </section>
@@ -386,19 +390,19 @@ export function VideoExtraInfoDialog({ name, onClose }: { name: string; onClose:
               <section className="rounded-lg border border-border bg-bg-tertiary/40 p-3">
                 <div className="mb-2 flex items-center gap-1.5">
                   <Youtube size={14} className="text-red-400" />
-                  <h3 className="text-xs font-medium text-text-primary">YouTube</h3>
+                  <h3 className="text-xs font-medium text-text-primary">{t('publishing.youtube')}</h3>
                 </div>
                 <div className="mb-3 rounded-md bg-bg-primary/50 p-2.5">
                   <div className="mb-1 flex items-center justify-between">
-                    <span className="text-[10px] uppercase tracking-wider text-text-muted">Optimized title · {data.youtube.title.length}/100</span>
-                    <CopyButton value={data.youtube.title} label="YouTube title" />
+                    <span className="text-[10px] uppercase tracking-wider text-text-muted">{t('publishing.optimizedTitle', { length: data.youtube.title.length })}</span>
+                    <CopyButton value={data.youtube.title} label={t('copy.youtubeTitle')} />
                   </div>
                   <p className="text-sm font-medium text-text-primary">{data.youtube.title}</p>
                 </div>
                 <div className="rounded-md bg-bg-primary/50 p-2.5">
                   <div className="mb-1 flex items-center justify-between">
-                    <span className="text-[10px] uppercase tracking-wider text-text-muted">Optimized description</span>
-                    <CopyButton value={data.youtube.description} label="YouTube description" />
+                    <span className="text-[10px] uppercase tracking-wider text-text-muted">{t('publishing.optimizedDescription')}</span>
+                    <CopyButton value={data.youtube.description} label={t('copy.youtubeDescription')} />
                   </div>
                   <p className="whitespace-pre-wrap text-xs leading-relaxed text-text-secondary">{data.youtube.description}</p>
                 </div>
@@ -406,8 +410,8 @@ export function VideoExtraInfoDialog({ name, onClose }: { name: string; onClose:
 
               <section className="rounded-lg border border-border bg-bg-tertiary/40 p-3">
                 <div className="mb-2 flex items-center justify-between">
-                  <h3 className="flex items-center gap-1.5 text-xs font-medium text-text-primary"><MessageSquareText size={13} /> X.com · {data.x.post.length}/280</h3>
-                  <CopyButton value={data.x.post} label="x.com post" />
+                  <h3 className="flex items-center gap-1.5 text-xs font-medium text-text-primary"><MessageSquareText size={13} /> {t('publishing.xPost', { length: data.x.post.length })}</h3>
+                  <CopyButton value={data.x.post} label={t('copy.xPost')} />
                 </div>
                 <p className="whitespace-pre-wrap text-xs leading-relaxed text-text-secondary">{data.x.post}</p>
               </section>
@@ -416,14 +420,14 @@ export function VideoExtraInfoDialog({ name, onClose }: { name: string; onClose:
         </div>
 
         <div className="flex items-center justify-end gap-2 border-t border-border px-5 py-3">
-          {allCopy && <CopyButton value={allCopy} label="all extra info" />}
+          {allCopy && <CopyButton value={allCopy} label={t('copy.allExtraInfo')} />}
           <button
             type="button"
             onClick={onClose}
             disabled={generating}
             className="rounded-lg border border-border px-3 py-2 text-xs text-text-secondary hover:border-border-light hover:text-text-primary disabled:opacity-40"
           >
-            Close
+            {tCommon('actions.close')}
           </button>
           {data && (
             <button
@@ -433,7 +437,7 @@ export function VideoExtraInfoDialog({ name, onClose }: { name: string; onClose:
               className="inline-flex items-center gap-1.5 rounded-lg bg-accent-blue px-3 py-2 text-xs text-white hover:bg-accent-blue-hover disabled:opacity-50"
             >
               {generating ? <Loader2 size={13} className="animate-spin" /> : <RefreshCw size={13} />}
-              {generating ? 'Generating…' : 'Regenerate'}
+              {generating ? t('actions.generating') : t('actions.regenerate')}
             </button>
           )}
         </div>
diff --git a/ui/src/i18n/locales/en/extraInfo.json b/ui/src/i18n/locales/en/extraInfo.json
new file mode 100644
index 00000000..02da3792
--- /dev/null
+++ b/ui/src/i18n/locales/en/extraInfo.json
@@ -0,0 +1,71 @@
+{
+  "waitForGeneration": "Wait for generation to finish",
+  "language": "Language",
+  "savedPrompts_one": "{{count}} saved prompt",
+  "savedPrompts_other": "{{count}} saved prompts",
+  "directorContext": "Director production context",
+  "intro": "This is written from the prompts and production properties already saved with the video. The media is not re-analysed.",
+  "clip": {
+    "title": "Clip information",
+    "file": "File",
+    "generated": "Generated",
+    "generationTime": "Generation time",
+    "fileSize": "File size",
+    "model": "Model",
+    "resolution": "Resolution",
+    "frames": "Frames",
+    "inferenceSteps": "Inference steps",
+    "guidance": "Guidance",
+    "seed": "Seed",
+    "jobId": "Job ID",
+    "timingBreakdown": "Timing breakdown",
+    "generationPrompt": "Generation prompt",
+    "noPrompt": "No prompt was saved for this clip.",
+    "audioPrompt": "Audio prompt",
+    "negativePrompt": "Negative prompt",
+    "allSavedSettings": "All saved settings",
+    "prompt": "Prompt",
+    "allSavedMetadata": "All saved metadata"
+  },
+  "copy": {
+    "action": "Copy",
+    "copied": "Copied",
+    "title": "Copy {{label}}",
+    "clipInformation": "clip information",
+    "generationPrompt": "generation prompt",
+    "audioPrompt": "audio prompt",
+    "negativePrompt": "negative prompt",
+    "allSavedSettings": "all saved settings",
+    "overview": "overview",
+    "youtubeTitle": "YouTube title",
+    "youtubeDescription": "YouTube description",
+    "xPost": "x.com post",
+    "allExtraInfo": "all Extra info"
+  },
+  "status": {
+    "writing": "Writing platform copy…",
+    "checking": "Checking saved Extra info…"
+  },
+  "errors": {
+    "loadFailed": "Failed to load Extra info",
+    "generateFailed": "Failed to generate Extra info"
+  },
+  "empty": {
+    "title": "No copy saved in this language yet",
+    "hint": "Generate a summary, YouTube metadata, and an x.com post.",
+    "generate": "Generate"
+  },
+  "publishing": {
+    "heading": "Publishing copy",
+    "overview": "What the video is",
+    "youtube": "YouTube",
+    "optimizedTitle": "Optimized title · {{length}}/100",
+    "optimizedDescription": "Optimized description",
+    "xPost": "X.com · {{length}}/280",
+    "xCom": "X.com"
+  },
+  "actions": {
+    "generating": "Generating…",
+    "regenerate": "Regenerate"
+  }
+}
diff --git a/ui/src/i18n/locales/es/extraInfo.json b/ui/src/i18n/locales/es/extraInfo.json
new file mode 100644
index 00000000..d11e7383
--- /dev/null
+++ b/ui/src/i18n/locales/es/extraInfo.json
@@ -0,0 +1,71 @@
+{
+  "waitForGeneration": "Espera a que termine la generación",
+  "language": "Idioma",
+  "savedPrompts_one": "{{count}} prompt guardado",
+  "savedPrompts_other": "{{count}} prompts guardados",
+  "directorContext": "Contexto de producción de Director",
+  "intro": "Esto se escribe a partir de los prompts y las propiedades de producción ya guardados con el vídeo. El material no se vuelve a analizar.",
+  "clip": {
+    "title": "Información del clip",
+    "file": "Archivo",
+    "generated": "Generado",
+    "generationTime": "Tiempo de generación",
+    "fileSize": "Tamaño del archivo",
+    "model": "Modelo",
+    "resolution": "Resolución",
+    "frames": "Fotogramas",
+    "inferenceSteps": "Pasos de inferencia",
+    "guidance": "Guidance",
+    "seed": "Seed",
+    "jobId": "Job ID",
+    "timingBreakdown": "Desglose de tiempos",
+    "generationPrompt": "Prompt de generación",
+    "noPrompt": "No se guardó ningún prompt para este clip.",
+    "audioPrompt": "Prompt de audio",
+    "negativePrompt": "Prompt negativo",
+    "allSavedSettings": "Todos los ajustes guardados",
+    "prompt": "Prompt",
+    "allSavedMetadata": "Todos los metadatos guardados"
+  },
+  "copy": {
+    "action": "Copiar",
+    "copied": "Copiado",
+    "title": "Copiar {{label}}",
+    "clipInformation": "información del clip",
+    "generationPrompt": "prompt de generación",
+    "audioPrompt": "prompt de audio",
+    "negativePrompt": "prompt negativo",
+    "allSavedSettings": "todos los ajustes guardados",
+    "overview": "resumen",
+    "youtubeTitle": "título de YouTube",
+    "youtubeDescription": "descripción de YouTube",
+    "xPost": "publicación de x.com",
+    "allExtraInfo": "toda la Información adicional"
+  },
+  "status": {
+    "writing": "Redactando el texto para plataformas…",
+    "checking": "Comprobando Información adicional guardada…"
+  },
+  "errors": {
+    "loadFailed": "No se pudo cargar Información adicional",
+    "generateFailed": "No se pudo generar Información adicional"
+  },
+  "empty": {
+    "title": "Aún no hay texto guardado en este idioma",
+    "hint": "Genera un resumen, metadatos de YouTube y una publicación para x.com.",
+    "generate": "Generar"
+  },
+  "publishing": {
+    "heading": "Texto para publicar",
+    "overview": "De qué trata el vídeo",
+    "youtube": "YouTube",
+    "optimizedTitle": "Título optimizado · {{length}}/100",
+    "optimizedDescription": "Descripción optimizada",
+    "xPost": "X.com · {{length}}/280",
+    "xCom": "X.com"
+  },
+  "actions": {
+    "generating": "Generando…",
+    "regenerate": "Regenerar"
+  }
+}
diff --git a/ui/src/i18n/resources.ts b/ui/src/i18n/resources.ts
index a34bffff..f01c3838 100644
--- a/ui/src/i18n/resources.ts
+++ b/ui/src/i18n/resources.ts
@@ -3,13 +3,15 @@ import navigationEn from './locales/en/navigation.json'
 import settingsEn from './locales/en/settings.json'
 import wizardEn from './locales/en/wizard.json'
 import activityEn from './locales/en/activity.json'
+import extraInfoEn from './locales/en/extraInfo.json'
 import commonEs from './locales/es/common.json'
 import navigationEs from './locales/es/navigation.json'
 import settingsEs from './locales/es/settings.json'
 import wizardEs from './locales/es/wizard.json'
 import activityEs from './locales/es/activity.json'
+import extraInfoEs from './locales/es/extraInfo.json'
 
-export const NAMESPACES = ['common', 'navigation', 'settings', 'wizard', 'activity'] as const
+export const NAMESPACES = ['common', 'navigation', 'settings', 'wizard', 'activity', 'extraInfo'] as const
 export type I18nNamespace = (typeof NAMESPACES)[number]
 
 export const resources = {
@@ -19,6 +21,7 @@ export const resources = {
     settings: settingsEn,
     wizard: wizardEn,
     activity: activityEn,
+    extraInfo: extraInfoEn,
   },
   es: {
     common: commonEs,
@@ -26,6 +29,7 @@ export const resources = {
     settings: settingsEs,
     wizard: wizardEs,
     activity: activityEs,
+    extraInfo: extraInfoEs,
   },
 } as const
 
diff --git a/ui/tests/i18nFoundation.test.tsx b/ui/tests/i18nFoundation.test.tsx
index 4a6cb1b5..544be563 100644
--- a/ui/tests/i18nFoundation.test.tsx
+++ b/ui/tests/i18nFoundation.test.tsx
@@ -54,6 +54,9 @@ test('required glossary keys exist in both languages', async () => {
     ['activity', 'extraInfo'],
     ['activity', 'catalog.loadMore'],
     ['activity', 'catalog.searchPlaceholder'],
+    ['extraInfo', 'language'],
+    ['extraInfo', 'clip.title'],
+    ['extraInfo', 'copy.action'],
     ['common', 'sample.named'],
     ['navigation', 'labs.story'],
     ['navigation', 'labs.series'],
@@ -79,6 +82,13 @@ test('required glossary keys exist in both languages', async () => {
   assert.equal(i18n.t('inspector.loadFailed', { ns: 'activity', lng: 'en' }), 'Could not load Extra info')
   assert.equal(i18n.t('inspector.loadFailed', { ns: 'activity', lng: 'es' }), 'No se pudo cargar Información adicional')
   assert.equal(i18n.t('actions.close', { ns: 'common', lng: 'es' }), 'Cerrar')
+  assert.equal(i18n.t('language', { ns: 'extraInfo', lng: 'es' }), 'Idioma')
+  assert.equal(i18n.t('clip.title', { ns: 'extraInfo', lng: 'es' }), 'Información del clip')
+  assert.equal(i18n.t('errors.loadFailed', { ns: 'extraInfo', lng: 'es' }), 'No se pudo cargar Información adicional')
+  assert.equal(i18n.t('savedPrompts', { ns: 'extraInfo', lng: 'en', count: 1 }), '1 saved prompt')
+  assert.equal(i18n.t('savedPrompts', { ns: 'extraInfo', lng: 'en', count: 2 }), '2 saved prompts')
+  assert.equal(i18n.t('savedPrompts', { ns: 'extraInfo', lng: 'es', count: 1 }), '1 prompt guardado')
+  assert.equal(i18n.t('savedPrompts', { ns: 'extraInfo', lng: 'es', count: 2 }), '2 prompts guardados')
 })
 
 test('missing keys fall back to english without throwing', async () => {
@@ -218,6 +228,13 @@ test('migrated chrome no longer hardcodes the pilot phrases', () => {
   assert.deepEqual(forbiddenLiterals(), [])
 })
 
+test('resources register the extraInfo namespace', async () => {
+  const { NAMESPACES, resources } = await import('../src/i18n/resources.ts')
+  assert.deepEqual([...NAMESPACES], ['common', 'navigation', 'settings', 'wizard', 'activity', 'extraInfo'])
+  assert.ok('extraInfo' in resources.en)
+  assert.ok('extraInfo' in resources.es)
+})
+
 test('Extra info chrome and the Assets inspector use the activity catalog', async () => {
   const fs = await import('node:fs/promises')
   const files = [
@@ -250,4 +267,11 @@ test('Extra info chrome and the Assets inspector use the activity catalog', asyn
     assert.match(panel, new RegExp(`tActivity\\('${key.replace('.', '\\.')}'`), key)
   }
   assert.match(panel, /tCommon\('actions\.close'\)/)
+  const dialog = await fs.readFile(new URL('../src/components/MainContent/VideoExtraInfoDialog.tsx', import.meta.url), 'utf8')
+  assert.match(dialog, /useUiTranslation\('extraInfo'\)/)
+  assert.match(dialog, /tActivity\('extraInfo'\)/)
+  assert.match(dialog, /tCommon\('actions\.close'\)/)
+  assert.match(dialog, /t\('clip\.title'\)/)
+  assert.doesNotMatch(dialog, /['"`]Clip information['"`]/)
+  assert.doesNotMatch(dialog, /['"`]Wait for generation to finish['"`]/)
 })