diff --git a/manifest.json b/manifest.json
index 24ccff6..30c8cd2 100644
--- a/manifest.json
+++ b/manifest.json
@@ -14,7 +14,8 @@
   "permissions": [
     "storage",
     "clipboardWrite",
-    "activeTab"
+    "activeTab",
+    "contextMenus"
   ],
   "host_permissions": [
     "https://archive.org/*",
diff --git a/src/background/index.js b/src/background/index.js
index 217075e..93cec10 100644
--- a/src/background/index.js
+++ b/src/background/index.js
@@ -17,3 +17,33 @@ browser.runtime.onMessage.addListener(async (msg, sender) => {
   }
 });
 
+// Context menu to collect links on archive.org /download/* pages
+browser.runtime.onInstalled.addListener(() => {
+  try {
+    browser.contextMenus.create({
+      id: 'aolg-collect',
+      title: 'Collect archive.org links',
+      contexts: ['page'],
+      documentUrlPatterns: ['https://archive.org/download/*']
+    });
+  } catch (e) {
+    // ignore if already exists or not supported
+  }
+});
+
+browser.contextMenus.onClicked.addListener(async (info, tab) => {
+  if (info.menuItemId !== 'aolg-collect' || !tab?.id) return;
+  try {
+    const items = await browser.tabs.sendMessage(tab.id, { type: 'collectLinks' });
+    const count = (items || []).length;
+    await browser.storage.local.set({
+      lastCollected: { tabId: tab.id, url: tab.url, time: Date.now(), count },
+      lastItems: items
+    });
+    try { await browser.action.setBadgeBackgroundColor({ color: '#3b82f6', tabId: tab.id }); } catch (e) {}
+    try { await browser.action.setBadgeText({ text: count ? String(count) : '', tabId: tab.id }); } catch (e) {}
+    try { if (browser.action.openPopup) await browser.action.openPopup(); } catch (e) {}
+  } catch (e) {
+    // Swallow errors; context menu is best-effort
+  }
+});
diff --git a/src/popup/index.html b/src/popup/index.html
index 52fef09..3dca231 100644
--- a/src/popup/index.html
+++ b/src/popup/index.html
@@ -32,9 +32,15 @@
       <div class="row actions">
         <button id="btn-refresh">Load Links</button>
         <span id="count">0</span> matches
+        <a href="#" id="open-options" class="link">Options</a>
       </div>
     </section>
 
+    <section class="preview">
+      <h2>Preview</h2>
+      <ul id="preview"></ul>
+    </section>
+
     <section class="aria2">
       <h2>aria2 RPC</h2>
       <div class="row">
@@ -55,4 +61,3 @@
     <script type="module" src="index.js"></script>
   </body>
   </html>
-
diff --git a/src/popup/index.js b/src/popup/index.js
index 33869c3..201dbcd 100644
--- a/src/popup/index.js
+++ b/src/popup/index.js
@@ -17,6 +17,8 @@ const els = {
   rpcSecret: document.getElementById('rpc-secret'),
   count: document.getElementById('count'),
   status: document.getElementById('status'),
+  openOptions: document.getElementById('open-options'),
+  preview: document.getElementById('preview'),
 };
 
 let allItems = [];
@@ -59,6 +61,7 @@ function filtered() {
 
 function updateCount() {
   els.count.textContent = String(filtered().length);
+  renderPreview();
 }
 
 async function copyLinks() {
@@ -103,6 +106,7 @@ function wire() {
   els.btnRefresh.addEventListener('click', refresh);
   els.btnCopy.addEventListener('click', copyLinks);
   els.btnSend.addEventListener('click', sendToAria2);
+  els.openOptions.addEventListener('click', (e) => { e.preventDefault(); browser.runtime.openOptionsPage(); });
   [
     els.fType, els.fTypeRe, els.fName, els.fNameRe, els.fSizeMin, els.fSizeMax,
     els.fDateFrom, els.fDateTo, els.fCase
@@ -115,3 +119,19 @@ document.addEventListener('DOMContentLoaded', async () => {
   await refresh();
 });
 
+function renderPreview() {
+  if (!els.preview) return;
+  const items = filtered();
+  const max = 50;
+  els.preview.innerHTML = '';
+  for (const it of items.slice(0, max)) {
+    const li = document.createElement('li');
+    li.textContent = it.name || it.url;
+    els.preview.appendChild(li);
+  }
+  if (items.length > max) {
+    const li = document.createElement('li');
+    li.textContent = `…and ${items.length - max} more`;
+    els.preview.appendChild(li);
+  }
+}
diff --git a/src/popup/styles.css b/src/popup/styles.css
index b010d4b..f659c54 100644
--- a/src/popup/styles.css
+++ b/src/popup/styles.css
@@ -8,4 +8,7 @@ label input { margin-left: 6px; }
 button { font-size: 12px; padding: 4px 10px; }
 #count { font-weight: bold; margin: 0 4px; }
 #status { font-size: 12px; white-space: pre-wrap; }
-
+.link { font-size: 12px; margin-left: auto; text-decoration: underline; cursor: pointer; }
+.preview ul, #preview { list-style: none; padding: 0; margin: 6px 0; max-height: 160px; overflow: auto; border: 1px solid #ddd; border-radius: 4px; }
+#preview li { font-size: 12px; padding: 4px 6px; border-bottom: 1px solid #eee; }
+#preview li:last-child { border-bottom: 0; }