diff --git a/backend/static/event-modal.js b/backend/static/event-modal.js
index 51d56fd..28a97d8 100644
--- a/backend/static/event-modal.js
+++ b/backend/static/event-modal.js
@@ -197,11 +197,46 @@
         </div>`;
     }
 
-    function _renderFileInfo(s) {
+    function _renderFileInfo(s, eventId) {
         const bw  = s.blastware || {};
         const src = s.source || {};
-        return `<div class="grid grid-cols-1 sm:grid-cols-2 gap-x-6 gap-y-2 text-sm">
-            <div class="sm:col-span-2"><span class="text-gray-500">Blastware file</span> <span class="font-mono text-xs ml-1">${_esc(bw.filename || '—')}</span> ${bw.filesize ? `<span class="text-xs text-gray-500 ml-2">(${(bw.filesize / 1024).toFixed(1)} KB)</span>` : ''}</div>
+        const sizeKb = bw.filesize ? (bw.filesize / 1024).toFixed(1) : null;
+        const canDownloadBinary = !!(bw.available && bw.filename && eventId);
+
+        const downloadButtons = `
+            <div class="flex flex-wrap gap-2 mb-4">
+                ${canDownloadBinary ? `
+                    <a href="/api/sfm/db/events/${encodeURIComponent(eventId)}/blastware_file"
+                       download="${_esc(bw.filename)}"
+                       class="inline-flex items-center gap-2 px-4 py-2 bg-seismo-orange hover:bg-seismo-navy text-white rounded-lg text-sm font-medium transition-colors">
+                        <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 16v1a3 3 0 003 3h10a3 3 0 003-3v-1m-4-4l-4 4m0 0l-4-4m4 4V4"></path>
+                        </svg>
+                        Download Blastware file
+                        <span class="text-xs opacity-80 ml-1">(${_esc(bw.filename)}${sizeKb ? `, ${sizeKb} KB` : ''})</span>
+                    </a>
+                ` : `
+                    <span class="inline-flex items-center gap-2 px-4 py-2 bg-gray-100 dark:bg-gray-800 text-gray-500 dark:text-gray-400 rounded-lg text-sm cursor-not-allowed">
+                        <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 16v1a3 3 0 003 3h10a3 3 0 003-3v-1m-4-4l-4 4m0 0l-4-4m4 4V4"></path>
+                        </svg>
+                        Blastware file unavailable
+                    </span>
+                `}
+                <a href="/api/sfm/db/events/${encodeURIComponent(eventId)}/sidecar"
+                   download="${_esc((bw.filename || 'event') + '.sfm.json')}"
+                   class="inline-flex items-center gap-2 px-3 py-2 border border-gray-300 dark:border-gray-600 hover:bg-gray-50 dark:hover:bg-gray-700 text-gray-700 dark:text-gray-300 rounded-lg text-sm transition-colors">
+                    <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z"></path>
+                    </svg>
+                    Download sidecar JSON
+                </a>
+            </div>
+        `;
+
+        return `${downloadButtons}
+        <div class="grid grid-cols-1 sm:grid-cols-2 gap-x-6 gap-y-2 text-sm">
+            <div class="sm:col-span-2"><span class="text-gray-500">Blastware file</span> <span class="font-mono text-xs ml-1">${_esc(bw.filename || '—')}</span> ${sizeKb ? `<span class="text-xs text-gray-500 ml-2">(${sizeKb} KB)</span>` : ''}</div>
             <div class="sm:col-span-2"><span class="text-gray-500">SHA-256</span> <span class="font-mono text-xs ml-1 break-all">${_esc(bw.sha256 || '—')}</span></div>
             <div><span class="text-gray-500">Captured at</span> <span class="font-medium ml-1">${_esc(src.captured_at ? src.captured_at.slice(0, 19).replace('T', ' ') : '—')}</span></div>
             <div><span class="text-gray-500">Tool version</span> <span class="font-mono text-xs ml-1">${_esc(src.tool_version || '—')}</span></div>
@@ -279,7 +314,7 @@
             ` : ''}
 
             ${_sectionHeader('Source File')}
-            ${_renderFileInfo(s)}
+            ${_renderFileInfo(s, eventId)}
         `;
     };