diff --git a/app/static/css/app.css b/app/static/css/app.css
index 4212fa6..d55d215 100644
--- a/app/static/css/app.css
+++ b/app/static/css/app.css
@@ -2350,3 +2350,16 @@ html.sidebar-open {
 .btn-favorite:active {
   transform: scale(0.88);
 }
+
+/* ── Passkey form info callout ──────────────────────────────────────────────── */
+
+.passkey-info-callout {
+  background: #eff6ff;
+  border: 1px solid #bfdbfe;
+  border-radius: var(--radius);
+  color: #1d4ed8;
+  font-size: 12px;
+  line-height: 1.5;
+  padding: 10px 12px;
+  margin-bottom: 14px;
+}
diff --git a/app/static/js/vault.js b/app/static/js/vault.js
index b3b4057..c3e51a0 100644
--- a/app/static/js/vault.js
+++ b/app/static/js/vault.js
@@ -81,6 +81,11 @@ const Vault = (() => {
     phone: "Phone",
     email: "Email",
     ssn_number: "Social Security Number",
+    // passkey
+    rp_id: "RP ID (Domain)",
+    credential_id: "Credential ID",
+    user_handle: "User Handle",
+    device_hint: "Device / Authenticator",
   };
   const SENSITIVE_FIELDS = new Set([
     "password",
@@ -89,6 +94,8 @@ const Vault = (() => {
     "account_number",
     "routing_number",
     "ssn_number",
+    "credential_id",
+    "user_handle",
   ]);
 
   // ── API helpers ───────────────────────────────────────────────────────────
@@ -499,6 +506,14 @@ const Vault = (() => {
         case "ssn":
           subText = "•••-••-••••";
           break;
+        case "passkey":
+          subText = [
+            item.plain.username,
+            item.plain.rp_id ? `@ ${item.plain.rp_id}` : "",
+          ]
+            .filter(Boolean)
+            .join(" ");
+          break;
       }
     }
 
@@ -2852,7 +2867,8 @@ const Vault = (() => {
           item.name.toLowerCase().includes(q) ||
           (item.plain?.username || "").toLowerCase().includes(q) ||
           (item.plain?.url || "").toLowerCase().includes(q) ||
-          (item.plain?.note_body || "").toLowerCase().includes(q),
+          (item.plain?.note_body || "").toLowerCase().includes(q) ||
+          (item.plain?.rp_id || "").toLowerCase().includes(q),
       ),
     );
   }
@@ -2871,6 +2887,7 @@ const Vault = (() => {
     bank: "🏦 Bank Account",
     address: "🏠 Address",
     ssn: "🪪 Identity (SSN)",
+    passkey: "🔐 Passkey",
   };
 
   function switchModalType(type) {
@@ -2977,6 +2994,15 @@ const Vault = (() => {
             setVal("field-ssn-number", p.ssn_number);
             setVal("field-notes", p.notes);
             break;
+          case "passkey":
+            setVal("field-pk-rp-id", p.rp_id);
+            setVal("field-pk-username", p.username);
+            setVal("field-pk-credential-id", p.credential_id);
+            setVal("field-pk-user-handle", p.user_handle);
+            setVal("field-pk-device-hint", p.device_hint);
+            setVal("field-pk-notes", p.notes);
+            setVal("field-tags", (p.tags || []).join(", "));
+            break;
         }
       }
     }
@@ -3057,6 +3083,16 @@ const Vault = (() => {
           ssn_number: getVal("field-ssn-number"),
           notes: getVal("field-notes").trim(),
         };
+      case "passkey":
+        return {
+          rp_id: getVal("field-pk-rp-id").trim(),
+          username: getVal("field-pk-username").trim(),
+          credential_id: getVal("field-pk-credential-id").trim(),
+          user_handle: getVal("field-pk-user-handle").trim(),
+          device_hint: getVal("field-pk-device-hint").trim(),
+          notes: getVal("field-pk-notes").trim(),
+          tags: _parseTags(getVal("field-tags")),
+        };
       default:
         return {};
     }
@@ -3337,6 +3373,7 @@ const Vault = (() => {
         bank: "🏦",
         address: "🏠",
         ssn: "🪪",
+        passkey: "🔐",
       }[type] || "🔑"
     );
   }
@@ -3557,6 +3594,7 @@ const Vault = (() => {
           bank: "Bank Accounts",
           address: "Addresses",
           ssn: "Identities",
+          passkey: "Passkeys",
         };
         _activeFilter = { type: "itemType", value: type };
         switchView("vault");
diff --git a/app/templates/vault/index.html b/app/templates/vault/index.html
index 486b9e5..3e8f073 100644
--- a/app/templates/vault/index.html
+++ b/app/templates/vault/index.html
@@ -102,6 +102,14 @@
           <span class="sidebar-icon">🪪</span>
           <span class="sidebar-label">Identities</span>
         </li>
+        <li
+          class="sidebar-item"
+          data-type-filter="passkey"
+          data-tooltip="Passkeys"
+        >
+          <span class="sidebar-icon">🔐</span>
+          <span class="sidebar-label">Passkeys</span>
+        </li>
         <li class="sidebar-section-header">Tools</li>
         <li
           class="sidebar-item"
@@ -446,6 +454,7 @@
           <option value="bank">🏦 Bank Account</option>
           <option value="address">🏠 Address</option>
           <option value="ssn">🪪 Identity (SSN)</option>
+          <option value="passkey">🔐 Passkey</option>
         </select>
       </div>
       <div class="form-group">
@@ -758,6 +767,78 @@
           </div>
         </div>
       </div>
+      <div class="type-fields hidden" data-for-types="passkey">
+        <div class="passkey-info-callout">
+          🔐 Store the details of a passkey registered on a website. The actual
+          private key stays on your device/authenticator.
+        </div>
+        <div class="form-group">
+          <label for="field-pk-rp-id"
+            >RP ID (Domain) <span class="required">*</span></label
+          >
+          <input
+            type="text"
+            id="field-pk-rp-id"
+            placeholder="e.g. github.com"
+            autocomplete="off"
+          />
+        </div>
+        <div class="form-group">
+          <label for="field-pk-username">Username / Display Name</label>
+          <input
+            type="text"
+            id="field-pk-username"
+            placeholder="e.g. alice@example.com"
+            autocomplete="off"
+          />
+        </div>
+        <div class="form-group">
+          <label for="field-pk-credential-id"
+            >Credential ID
+            <span class="field-label-optional">optional</span></label
+          >
+          <input
+            type="text"
+            id="field-pk-credential-id"
+            class="input-monospace"
+            placeholder="Base64url credential ID"
+            autocomplete="off"
+          />
+        </div>
+        <div class="form-group">
+          <label for="field-pk-user-handle"
+            >User Handle
+            <span class="field-label-optional">optional</span></label
+          >
+          <input
+            type="text"
+            id="field-pk-user-handle"
+            class="input-monospace"
+            placeholder="Base64url user handle"
+            autocomplete="off"
+          />
+        </div>
+        <div class="form-group">
+          <label for="field-pk-device-hint"
+            >Device / Authenticator
+            <span class="field-label-optional">optional</span></label
+          >
+          <input
+            type="text"
+            id="field-pk-device-hint"
+            placeholder="e.g. Touch ID on MacBook Pro"
+            autocomplete="off"
+          />
+        </div>
+        <div class="form-group">
+          <label for="field-pk-notes">Notes</label>
+          <textarea
+            id="field-pk-notes"
+            rows="3"
+            placeholder="Optional notes…"
+          ></textarea>
+        </div>
+      </div>
       <div class="form-group">
         <label for="field-folder">Folder</label>
         <select id="field-folder">
@@ -766,7 +847,7 @@
       </div>
       <div
         class="type-fields"
-        data-for-types="password note card bank address ssn"
+        data-for-types="password note card bank address ssn passkey"
       >
         <div class="form-group">
           <label for="field-tags">Tags</label>