diff --git a/TODO.md b/TODO.md
index cb40aa5..ac9a8bc 100644
--- a/TODO.md
+++ b/TODO.md
@@ -242,6 +242,12 @@
 - [x] Add `storage/tmp/filepond/*` to .gitignore + rsync exclude, with .gitkeep
 - [ ] Deploy: `just deploy` to sync vendor JS files + updated CSP + .gitkeep to server
 
+## Export: LINK.txt for PeerTube files
+- [x] Add `getPeerTubeInstanceUrl()` helper to ExportController
+- [x] In `createExportZip()`: collect PeerTube files, generate LINK.txt per thesis directory
+- [x] Augment manifest.json with `peertube_links` array per thesis
+- [x] Update docs/export.md with LINK.txt and peertube_links documentation
+
 # improvements_postlaunch — Année verrouillable dans partage + correction ID
 
 ## Implémentation
diff --git a/app/src/Controllers/ExportController.php b/app/src/Controllers/ExportController.php
index 822f9b3..10a510c 100644
--- a/app/src/Controllers/ExportController.php
+++ b/app/src/Controllers/ExportController.php
@@ -53,6 +53,16 @@ class ExportController
         return $this->db->getAllThesisFilesForExport($thesisIds);
     }
 
+    /**
+     * Get the configured PeerTube instance URL, or empty string if not configured.
+     */
+    private function getPeerTubeInstanceUrl(): string
+    {
+        require_once APP_ROOT . '/src/PeerTubeService.php';
+        $settings = PeerTubeService::getSettings($this->db);
+        return $settings['instance_url'];
+    }
+
     /**
      * Build a JSON manifest describing every thesis and its files.
      *
@@ -153,17 +163,72 @@ class ExportController
         // Add every thesis file under files/
         $addedCount   = 0;
         $skippedCount = 0;
+        $peertubeLinks = [];  // thesisId => [{uuid, watchUrl, fileType, label}]
+        $ptInstanceUrl = '';
         foreach ($files as $f) {
-            $fullPath = $storageRoot . '/' . $f['file_path'];
+            $filePath = $f['file_path'];
+
+            // Collect PeerTube links per-thesis
+            if (str_starts_with($filePath, 'peertube_ids:')) {
+                $uuid = substr($filePath, strlen('peertube_ids:'));
+                if ($ptInstanceUrl === '') {
+                    $ptInstanceUrl = $this->getPeerTubeInstanceUrl();
+                }
+                $tid = (int) $f['thesis_id'];
+                $peertubeLinks[$tid] = $peertubeLinks[$tid] ?? ['dirname' => '', 'links' => []];
+                $peertubeLinks[$tid]['links'][] = [
+                    'uuid'     => $uuid,
+                    'url'      => $ptInstanceUrl !== '' ? rtrim($ptInstanceUrl, '/') . '/videos/watch/' . $uuid : '',
+                    'type'     => $f['file_type'],
+                    'label'    => $f['display_label'] ?? '',
+                    'name'     => $f['file_name'],
+                ];
+                $skippedCount++;  // not a real file on disk
+                continue;
+            }
+
+            // Track the directory for each thesis (for LINK.txt placement)
+            $tid = (int) $f['thesis_id'];
+            if (isset($peertubeLinks[$tid]) && $peertubeLinks[$tid]['dirname'] === '') {
+                $peertubeLinks[$tid]['dirname'] = dirname($filePath);
+            }
+
+            $fullPath = $storageRoot . '/' . $filePath;
             if (!is_file($fullPath) || !is_readable($fullPath)) {
                 $skippedCount++;
                 continue;
             }
-            $zipPath = $baseDir . '/' . $f['file_path'];
+            $zipPath = $baseDir . '/' . $filePath;
             $zip->addFile($fullPath, $zipPath);
             $addedCount++;
         }
 
+        // Add LINK.txt in each thesis directory that has PeerTube files
+        foreach ($peertubeLinks as $info) {
+            if ($info['dirname'] === '') {
+                continue;
+            }
+            $txt = "Liens PeerTube pour ce TFE\n"
+                 . str_repeat('=', 40) . "\n\n";
+            foreach ($info['links'] as $link) {
+                $label = $link['label'] !== '' ? $link['label'] : $link['name'];
+                $txt .= ($label !== '' ? $label . "\n" : '');
+                $txt .= ($link['url'] !== '' ? $link['url'] . "\n" : '(instance PeerTube non configurée)' . "\n");
+                $txt .= "\n";
+            }
+            $txtPath = $baseDir . '/' . $info['dirname'] . '/LINK.txt';
+            $zip->addFromString($txtPath, $txt);
+        }
+
+        // Augment manifest with PeerTube link info per thesis
+        foreach ($manifest['theses'] as &$entry) {
+            $tid = $entry['id'];
+            if (isset($peertubeLinks[$tid])) {
+                $entry['peertube_links'] = $peertubeLinks[$tid]['links'];
+            }
+        }
+        unset($entry);
+
         $zip->addFromString(
             'manifest.json',
             json_encode(array_merge($manifest, [
diff --git a/docs/export.md b/docs/export.md
index 2805403..12de40e 100644
--- a/docs/export.md
+++ b/docs/export.md
@@ -36,7 +36,8 @@ xamxam-files-2026-05-07.zip
         │   ├── 2025_LILA_DUBOIS_KARIM_NASSAR/
         │   │   ├── nixing_the_fix_report_final.pdf
         │   │   ├── bbb_sunflower_1080p_30fps_normal_mp4.zip
-        │   │   └── carte_loire_a_velo_france.pdf
+        │   │   ├── carte_loire_a_velo_france.pdf
+        │   │   └── LINK.txt                  ← si vidéos PeerTube présentes
         │   └── …
         └── 2026/
             └── …
@@ -69,6 +70,15 @@ xamxam-files-2026-05-07.zip
           "label": "Mémoire principal",
           "sort_order": 1
         }
+      ],
+      "peertube_links": [
+        {
+          "uuid": "abc123def",
+          "url": "https://videos.erg.be/videos/watch/abc123def",
+          "type": "video",
+          "label": "Vidéo de présentation",
+          "name": "presentation.mp4"
+        }
       ]
     }
   }