diff --git a/app/Http/Controllers/ExportController.php b/app/Http/Controllers/ExportController.php
index 6b10955..735f89a 100644
--- a/app/Http/Controllers/ExportController.php
+++ b/app/Http/Controllers/ExportController.php
@@ -2,6 +2,7 @@
 
 namespace App\Http\Controllers;
 
+use App\Enums\FieldType;
 use App\Enums\SourceStatus;
 use App\Models\Releve;
 use App\Models\Source;
@@ -17,6 +18,44 @@ class ExportController extends Controller
         private readonly GedcomExportService $gedcom,
     ) {}
 
+    /** Export CSV de tous les relevés d'une source */
+    public function sourceCsv(Source $source): Response
+    {
+        $this->authorize('view', $source);
+
+        $source->load(['sourceType.fields', 'releves']);
+        $fields = $source->sourceType->fields->sortBy('order');
+
+        $handle = fopen('php://temp', 'r+');
+
+        // BOM UTF-8 pour la compatibilité Excel
+        fwrite($handle, "\xEF\xBB\xBF");
+
+        // En-tête
+        fputcsv($handle, $fields->pluck('label')->toArray(), ';');
+
+        // Lignes
+        foreach ($source->releves as $releve) {
+            $row = [];
+            foreach ($fields as $field) {
+                $val    = $releve->data[$field->name] ?? null;
+                $row[]  = $this->formatCsvValue($val, $field->type);
+            }
+            fputcsv($handle, $row, ';');
+        }
+
+        rewind($handle);
+        $csv = stream_get_contents($handle);
+        fclose($handle);
+
+        $filename = $this->sanitizeFilename($source->nom) . '.csv';
+
+        return response($csv, 200, [
+            'Content-Type'        => 'text/csv; charset=UTF-8',
+            'Content-Disposition' => "attachment; filename=\"{$filename}\"",
+        ]);
+    }
+
     /** Export de tous les relevés d'une source */
     public function source(Source $source): Response
     {
@@ -106,6 +145,26 @@ class ExportController extends Controller
         ]);
     }
 
+    private function formatCsvValue(mixed $val, FieldType $type): string
+    {
+        if ($val === null || $val === '') {
+            return '';
+        }
+
+        return match ($type) {
+            FieldType::Boolean => $val ? 'Oui' : 'Non',
+            FieldType::Date    => is_array($val)
+                ? trim(($val['valeur'] ?? '') . (
+                    ! empty($val['calendrier']) && $val['calendrier'] !== 'gregorien'
+                        ? ' (' . $val['calendrier'] . ')'
+                        : ''
+                ))
+                : (string) $val,
+            FieldType::Place   => is_array($val) ? ($val['nom_long'] ?? '') : (string) $val,
+            default            => (string) $val,
+        };
+    }
+
     private function sanitizeFilename(string $name): string
     {
         $name = iconv('UTF-8', 'ASCII//TRANSLIT', $name) ?: $name;
diff --git a/resources/views/sources/show.blade.php b/resources/views/sources/show.blade.php
index 86b349d..e9d083e 100644
--- a/resources/views/sources/show.blade.php
+++ b/resources/views/sources/show.blade.php
@@ -134,12 +134,24 @@
         <div class="bg-white dark:bg-gray-800 shadow rounded-lg overflow-hidden">
             <div class="px-6 py-4 border-b border-gray-200 dark:border-gray-700 flex items-center justify-between">
                 <h3 class="font-medium text-gray-900 dark:text-white">Relevés ({{ $source->releves->count() }})</h3>
-                @can('create', [App\Models\Releve::class, $source])
-                    <a href="{{ route('sources.releves.create', $source) }}"
-                       class="px-3 py-1.5 bg-indigo-600 text-white text-xs rounded-md hover:bg-indigo-700">
-                        + Nouveau relevé
-                    </a>
-                @endcan
+                <div class="flex items-center gap-2">
+                    @if($source->releves->isNotEmpty())
+                        <a href="{{ route('export.source.csv', $source) }}"
+                           class="px-3 py-1.5 bg-white dark:bg-gray-700 border border-gray-300 dark:border-gray-600 text-gray-700 dark:text-gray-300 text-xs rounded-md hover:bg-gray-50 dark:hover:bg-gray-600">
+                            ↓ CSV
+                        </a>
+                        <a href="{{ route('export.source', $source) }}"
+                           class="px-3 py-1.5 bg-white dark:bg-gray-700 border border-gray-300 dark:border-gray-600 text-gray-700 dark:text-gray-300 text-xs rounded-md hover:bg-gray-50 dark:hover:bg-gray-600">
+                            ↓ GEDCOM
+                        </a>
+                    @endif
+                    @can('create', [App\Models\Releve::class, $source])
+                        <a href="{{ route('sources.releves.create', $source) }}"
+                           class="px-3 py-1.5 bg-indigo-600 text-white text-xs rounded-md hover:bg-indigo-700">
+                            + Nouveau relevé
+                        </a>
+                    @endcan
+                </div>
             </div>
             @if($source->releves->isEmpty())
                 <p class="px-6 py-8 text-center text-gray-400 dark:text-gray-500 text-sm">Aucun relevé pour cette source.</p>
diff --git a/routes/web.php b/routes/web.php
index 8a3bb03..78559da 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -61,6 +61,7 @@ Route::middleware('auth')->group(function () {
     Route::get('carte',          [CarteController::class, 'index'])->name('carte');
     Route::get('carte/data',     [CarteController::class, 'data'])->name('carte.data');
     Route::get('export/source/{source}', [ExportController::class, 'source'])->name('export.source');
+    Route::get('export/source/{source}/csv', [ExportController::class, 'sourceCsv'])->name('export.source.csv');
     Route::get('export/recherche', [ExportController::class, 'recherche'])->name('export.recherche');
 
     Route::get('notifications', [NotificationController::class, 'index'])->name('notifications.index');