diff --git a/components/AuthorPresentationEditor.tsx b/components/AuthorPresentationEditor.tsx
index 4937990..de8ebbc 100644
--- a/components/AuthorPresentationEditor.tsx
+++ b/components/AuthorPresentationEditor.tsx
@@ -61,14 +61,14 @@ function PresentationField({
   return (
     <ArticleField
       id="presentation"
-      label="Présentation personnelle"
+      label={t('presentation.field.presentation')}
       value={draft.presentation}
       onChange={(value) => onChange({ ...draft, presentation: value as string })}
       required
       type="textarea"
       rows={6}
-      placeholder="Présentez-vous : qui êtes-vous, votre parcours, vos intérêts..."
-      helpText="Cette présentation sera visible par tous les lecteurs"
+      placeholder={t('presentation.field.presentation.placeholder')}
+      helpText={t('presentation.field.presentation.help')}
     />
   )
 }
@@ -83,14 +83,14 @@ function ContentDescriptionField({
   return (
     <ArticleField
       id="contentDescription"
-      label="Description de votre contenu"
+      label={t('presentation.field.contentDescription')}
       value={draft.contentDescription}
       onChange={(value) => onChange({ ...draft, contentDescription: value as string })}
       required
       type="textarea"
       rows={6}
-      placeholder="Décrivez le type de contenu que vous publiez : science-fiction, recherche scientifique, thèmes abordés..."
-      helpText="Aidez les lecteurs à comprendre le type d'articles que vous publiez"
+      placeholder={t('presentation.field.contentDescription.placeholder')}
+      helpText={t('presentation.field.contentDescription.help')}
     />
   )
 }
@@ -105,13 +105,13 @@ function MainnetAddressField({
   return (
     <ArticleField
       id="mainnetAddress"
-      label="Adresse Bitcoin mainnet (pour le sponsoring)"
+      label={t('presentation.field.mainnetAddress')}
       value={draft.mainnetAddress}
       onChange={(value) => onChange({ ...draft, mainnetAddress: value as string })}
       required
       type="text"
-      placeholder="1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa"
-      helpText="Adresse Bitcoin mainnet où vous recevrez les paiements de sponsoring (0.046 BTC par sponsoring)"
+      placeholder={t('presentation.field.mainnetAddress.placeholder')}
+      helpText={t('presentation.field.mainnetAddress.help')}
     />
   )
 }
@@ -126,10 +126,8 @@ function PictureField({
   return (
     <ImageUploadField
       id="picture"
-      label="Photo de profil"
       value={draft.pictureUrl}
       onChange={(url) => onChange({ ...draft, pictureUrl: url })}
-      helpText="Image de profil pour votre page auteur (max 5Mo, formats: PNG, JPG, WebP)"
     />
   )
 }
@@ -206,7 +204,7 @@ function useAuthorPresentationState(pubkey: string | null) {
       e.preventDefault()
       const address = draft.mainnetAddress.trim()
       if (!ADDRESS_PATTERN.test(address)) {
-        setValidationError('Adresse Bitcoin invalide (doit commencer par 1, 3 ou bc1)')
+        setValidationError(t('presentation.validation.invalidAddress'))
         return
       }
       setValidationError(null)
@@ -237,7 +235,7 @@ function AuthorPresentationFormView({
   }
 
   // Get user name or fallback to shortened pubkey
-  const userName = profile?.name ?? (pubkey ? `${pubkey.substring(0, 16)}...` : 'Utilisateur')
+  const userName = profile?.name ?? (pubkey ? `${pubkey.substring(0, 16)}...` : t('presentation.fallback.user'))
 
   return (
     <PresentationForm
diff --git a/components/ImageUploadField.tsx b/components/ImageUploadField.tsx
index 00b0ff7..37e28ce 100644
--- a/components/ImageUploadField.tsx
+++ b/components/ImageUploadField.tsx
@@ -1,10 +1,11 @@
 import { useState } from 'react'
 import { uploadNip95Media } from '@/lib/nip95'
+import { t } from '@/lib/i18n'
 import Image from 'next/image'
 
 interface ImageUploadFieldProps {
   id: string
-  label: string
+  label?: string | undefined
   value?: string | undefined
   onChange: (url: string) => void
   helpText?: string | undefined
@@ -28,25 +29,28 @@ export function ImageUploadField({ id, label, value, onChange, helpText }: Image
       if (media.type === 'image') {
         onChange(media.url)
       } else {
-        setError('Seules les images sont autorisées')
+        setError(t('presentation.field.picture.error.imagesOnly'))
       }
     } catch (e) {
-      setError(e instanceof Error ? e.message : 'Erreur lors de l\'upload')
+      setError(e instanceof Error ? e.message : t('presentation.field.picture.error.uploadFailed'))
     } finally {
       setUploading(false)
     }
   }
 
+  const displayLabel = label ?? t('presentation.field.picture')
+  const displayHelpText = helpText ?? t('presentation.field.picture.help')
+
   return (
     <div className="space-y-2">
       <label htmlFor={id} className="block text-sm font-medium text-neon-cyan">
-        {label}
+        {displayLabel}
       </label>
       {value && (
         <div className="relative w-32 h-32 rounded-lg overflow-hidden border border-neon-cyan/20">
           <Image
             src={value}
-            alt="Profile picture"
+            alt={t('presentation.field.picture')}
             fill
             className="object-cover"
           />
@@ -57,7 +61,7 @@ export function ImageUploadField({ id, label, value, onChange, helpText }: Image
           htmlFor={id}
           className="px-4 py-2 bg-neon-cyan/20 hover:bg-neon-cyan/30 text-neon-cyan rounded-lg text-sm font-medium transition-all border border-neon-cyan/50 hover:shadow-glow-cyan cursor-pointer"
         >
-          {uploading ? 'Upload en cours...' : value ? 'Changer l\'image' : 'Télécharger une image'}
+          {uploading ? t('presentation.field.picture.uploading') : value ? t('presentation.field.picture.change') : t('presentation.field.picture.upload')}
         </label>
         <input
           id={id}
@@ -73,17 +77,16 @@ export function ImageUploadField({ id, label, value, onChange, helpText }: Image
             onClick={() => onChange('')}
             className="px-4 py-2 bg-red-500/20 hover:bg-red-500/30 text-red-400 rounded-lg text-sm font-medium transition-all border border-red-500/50"
           >
-            Supprimer
+            {t('presentation.field.picture.remove')}
           </button>
         )}
       </div>
       {error && (
         <p className="text-sm text-red-400">{error}</p>
       )}
-      {helpText && (
-        <p className="text-sm text-cyber-accent">{helpText}</p>
+      {displayHelpText && (
+        <p className="text-sm text-cyber-accent">{displayHelpText}</p>
       )}
     </div>
   )
 }
-
diff --git a/locales/en.txt b/locales/en.txt
index db5aa7f..a23dbeb 100644
--- a/locales/en.txt
+++ b/locales/en.txt
@@ -61,6 +61,25 @@ presentation.success=Presentation article created!
 presentation.successMessage=Your presentation article has been created successfully. You can now publish articles.
 presentation.notConnected=Connect with Nostr to create your presentation article
 presentation.profileNote=This profile data is specific to zapwall.fr and may differ from your Nostr profile.
+presentation.field.picture=Profile picture
+presentation.field.picture.help=Profile image for your author page (max 5MB, formats: PNG, JPG, WebP)
+presentation.field.picture.change=Change image
+presentation.field.picture.upload=Upload an image
+presentation.field.picture.uploading=Uploading...
+presentation.field.picture.remove=Remove
+presentation.field.picture.error.imagesOnly=Only images are allowed
+presentation.field.picture.error.uploadFailed=Upload error
+presentation.field.presentation=Personal presentation
+presentation.field.presentation.placeholder=Introduce yourself: who you are, your background, your interests...
+presentation.field.presentation.help=This presentation will be visible to all readers
+presentation.field.contentDescription=Content description
+presentation.field.contentDescription.placeholder=Describe the type of content you publish: science fiction, scientific research, themes covered...
+presentation.field.contentDescription.help=Help readers understand the type of articles you publish
+presentation.field.mainnetAddress=Bitcoin mainnet address (for sponsoring)
+presentation.field.mainnetAddress.placeholder=1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa
+presentation.field.mainnetAddress.help=Bitcoin mainnet address where you will receive sponsoring payments (0.046 BTC excluding fees per sponsoring)
+presentation.validation.invalidAddress=Invalid Bitcoin address (must start with 1, 3 or bc1)
+presentation.fallback.user=User
 
 # Filters
 filters.clear=Clear all