diff --git a/lib/controller/applets/piv.dart b/lib/controller/applets/piv.dart
index 707ed39..1a742ca 100644
--- a/lib/controller/applets/piv.dart
+++ b/lib/controller/applets/piv.dart
@@ -52,6 +52,7 @@ class PivController extends Controller {
             }
             var cert = X509Certificate.fromAsn1(o);
             slotInfo.cert = cert;
+            slotInfo.certBytes = bytes;
           }
         }
         slots[slot] = slotInfo;
diff --git a/lib/generated/intl/messages_en.dart b/lib/generated/intl/messages_en.dart
index ffb1cfe..d69f497 100644
--- a/lib/generated/intl/messages_en.dart
+++ b/lib/generated/intl/messages_en.dart
@@ -203,7 +203,13 @@ class MessageLookup extends MessageLookupByLibrary {
             "New Management Key should be 24 bytes long. Please save it in a safe place."),
         "pivChangePUK": MessageLookupByLibrary.simpleMessage("Change PUK"),
         "pivChangePUKPrompt": m5,
+        "pivDelete": MessageLookupByLibrary.simpleMessage("Delete"),
         "pivEmpty": MessageLookupByLibrary.simpleMessage("Empty"),
+        "pivExport": MessageLookupByLibrary.simpleMessage("Export"),
+        "pivExportCertificate":
+            MessageLookupByLibrary.simpleMessage("Export Certificate"),
+        "pivGenerate": MessageLookupByLibrary.simpleMessage("Generate"),
+        "pivImport": MessageLookupByLibrary.simpleMessage("Import"),
         "pivKeyManagement":
             MessageLookupByLibrary.simpleMessage("Key Management"),
         "pivManagementKeyVerificationFailed":
diff --git a/lib/generated/intl/messages_zh_Hans.dart b/lib/generated/intl/messages_zh_Hans.dart
index 9cff890..0f0ee11 100644
--- a/lib/generated/intl/messages_zh_Hans.dart
+++ b/lib/generated/intl/messages_zh_Hans.dart
@@ -168,7 +168,12 @@ class MessageLookup extends MessageLookupByLibrary {
         "pivChangeManagementKeyPrompt": MessageLookupByLibrary.simpleMessage(
             "新管理密钥的长度应当为 24 字节。请妥善保管管理密钥，否则您将无法管理 PIV 应用。"),
         "pivChangePUK": MessageLookupByLibrary.simpleMessage("修改 PUK"),
+        "pivDelete": MessageLookupByLibrary.simpleMessage("删除"),
         "pivEmpty": MessageLookupByLibrary.simpleMessage("空"),
+        "pivExport": MessageLookupByLibrary.simpleMessage("导出"),
+        "pivExportCertificate": MessageLookupByLibrary.simpleMessage("导出证书"),
+        "pivGenerate": MessageLookupByLibrary.simpleMessage("生成"),
+        "pivImport": MessageLookupByLibrary.simpleMessage("导入"),
         "pivKeyManagement":
             MessageLookupByLibrary.simpleMessage("密钥管理（Key Management）"),
         "pivManagementKeyVerificationFailed":
diff --git a/lib/generated/l10n.dart b/lib/generated/l10n.dart
index 71eb22a..170dad7 100644
--- a/lib/generated/l10n.dart
+++ b/lib/generated/l10n.dart
@@ -1910,6 +1910,56 @@ class S {
     );
   }
 
+  /// `Import`
+  String get pivImport {
+    return Intl.message(
+      'Import',
+      name: 'pivImport',
+      desc: '',
+      args: [],
+    );
+  }
+
+  /// `Generate`
+  String get pivGenerate {
+    return Intl.message(
+      'Generate',
+      name: 'pivGenerate',
+      desc: '',
+      args: [],
+    );
+  }
+
+  /// `Export`
+  String get pivExport {
+    return Intl.message(
+      'Export',
+      name: 'pivExport',
+      desc: '',
+      args: [],
+    );
+  }
+
+  /// `Delete`
+  String get pivDelete {
+    return Intl.message(
+      'Delete',
+      name: 'pivDelete',
+      desc: '',
+      args: [],
+    );
+  }
+
+  /// `Export Certificate`
+  String get pivExportCertificate {
+    return Intl.message(
+      'Export Certificate',
+      name: 'pivExportCertificate',
+      desc: '',
+      args: [],
+    );
+  }
+
   /// `Please input a valid hexadecimal string.`
   String get validationHexString {
     return Intl.message(
diff --git a/lib/l10n/intl_en.arb b/lib/l10n/intl_en.arb
index 213b334..46ad383 100644
--- a/lib/l10n/intl_en.arb
+++ b/lib/l10n/intl_en.arb
@@ -185,6 +185,11 @@
   "pivOriginGenerated": "Generated",
   "pivOriginImported": "Imported",
   "pivCertificate": "Certificate",
+  "pivImport": "Import",
+  "pivGenerate": "Generate",
+  "pivExport": "Export",
+  "pivDelete": "Delete",
+  "pivExportCertificate": "Export Certificate",
   "validationHexString": "Please input a valid hexadecimal string.",
   "validationExactLength": "Need exact {length} characters"
 }
\ No newline at end of file
diff --git a/lib/l10n/intl_zh_Hans.arb b/lib/l10n/intl_zh_Hans.arb
index 464ff82..049f5b1 100644
--- a/lib/l10n/intl_zh_Hans.arb
+++ b/lib/l10n/intl_zh_Hans.arb
@@ -185,6 +185,11 @@
   "pivOriginGenerated": "内部生成",
   "pivOriginImported": "外部导入",
   "pivCertificate": "证书",
+  "pivImport": "导入",
+  "pivGenerate": "生成",
+  "pivExport": "导出",
+  "pivDelete": "删除",
+  "pivExportCertificate": "导出证书",
   "validationHexString": "请输入十六进制字符串",
   "validationExactLength": "需要 {length} 个字符"
 }
\ No newline at end of file
diff --git a/lib/models/piv.dart b/lib/models/piv.dart
index 1d1c039..686f35d 100644
--- a/lib/models/piv.dart
+++ b/lib/models/piv.dart
@@ -136,6 +136,7 @@ class SlotInfo {
   final bool defaultValue;
   final int retriesCount;
   final int remainingCount;
+  List<int>? certBytes;
   X509Certificate? cert;
 
   SlotInfo(this.number, this.algorithm, this.pinPolicy, this.touchPolicy, this.origin, this.public, this.defaultValue, this.retriesCount, this.remainingCount);
diff --git a/lib/views/applets/piv.dart b/lib/views/applets/piv.dart
index d70565d..2d4b686 100644
--- a/lib/views/applets/piv.dart
+++ b/lib/views/applets/piv.dart
@@ -1,4 +1,6 @@
+import 'dart:convert';
 import 'dart:math';
+import 'dart:typed_data';
 
 import 'package:canokey_console/controller/applets/piv.dart';
 import 'package:canokey_console/generated/l10n.dart';
@@ -22,10 +24,12 @@ import 'package:canokey_console/helper/widgets/validators.dart';
 import 'package:canokey_console/models/piv.dart';
 import 'package:canokey_console/views/layout/layout.dart';
 import 'package:convert/convert.dart';
+import 'package:file_saver/file_saver.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 import 'package:logging/logging.dart';
 import 'package:lucide_icons/lucide_icons.dart';
+import 'package:pem/pem.dart';
 
 final log = Logger('Console:PIV:View');
 
@@ -550,7 +554,7 @@ class _PivPageState extends State<PivPage> with SingleTickerProviderStateMixin,
                     elevation: 0,
                     padding: Spacing.xy(20, 16),
                     backgroundColor: contentTheme.primary,
-                    child: CustomizedText.labelMedium('Generate', color: contentTheme.onSecondary),
+                    child: CustomizedText.labelMedium(S.of(context).pivGenerate, color: contentTheme.onSecondary),
                   ),
                   Spacing.width(12),
                   CustomizedButton.rounded(
@@ -558,16 +562,56 @@ class _PivPageState extends State<PivPage> with SingleTickerProviderStateMixin,
                     elevation: 0,
                     padding: Spacing.xy(20, 16),
                     backgroundColor: contentTheme.primary,
-                    child: CustomizedText.labelMedium('Import', color: contentTheme.onPrimary),
+                    child: CustomizedText.labelMedium(S.of(context).pivImport, color: contentTheme.onPrimary),
                   ),
                   if (slot != null) ...[
                     Spacing.width(12),
                     CustomizedButton.rounded(
-                      onPressed: () {},
+                      onPressed: () {
+                        // A dialog with two buttons: DER and PEM
+                        Get.dialog(Dialog(
+                            child: SizedBox(
+                                width: 300,
+                                child: Column(mainAxisSize: MainAxisSize.min, crossAxisAlignment: CrossAxisAlignment.start, children: [
+                                  Padding(padding: Spacing.all(16), child: CustomizedText.labelLarge(S.of(context).pivExportCertificate)),
+                                  Divider(height: 0, thickness: 1),
+                                  Padding(
+                                      padding: Spacing.all(16),
+                                      child: Row(mainAxisAlignment: MainAxisAlignment.center, children: [
+                                        CustomizedButton.rounded(
+                                          onPressed: () async {
+                                            // Export DER
+                                            await FileSaver.instance.saveFile(name: 'certificate.der', bytes: slot.certBytes! as Uint8List);
+                                            if (mounted) {
+                                              Navigator.pop(context);
+                                            }
+                                          },
+                                          elevation: 0,
+                                          padding: Spacing.xy(20, 16),
+                                          backgroundColor: contentTheme.primary,
+                                          child: CustomizedText.labelMedium('DER', color: contentTheme.onPrimary),
+                                        ),
+                                        Spacing.width(12),
+                                        CustomizedButton.rounded(
+                                          onPressed: () async {
+                                            String pem = PemCodec(PemLabel.certificate).encode(slot.certBytes!);
+                                            await FileSaver.instance.saveFile(name: 'certificate.pem', bytes: utf8.encode(pem));
+                                            if (mounted) {
+                                              Navigator.pop(context);
+                                            }
+                                          },
+                                          elevation: 0,
+                                          padding: Spacing.xy(20, 16),
+                                          backgroundColor: contentTheme.primary,
+                                          child: CustomizedText.labelMedium('PEM', color: contentTheme.onPrimary),
+                                        )
+                                      ]))
+                                ]))));
+                      },
                       elevation: 0,
                       padding: Spacing.xy(20, 16),
                       backgroundColor: contentTheme.primary,
-                      child: CustomizedText.labelMedium('Export', color: contentTheme.onPrimary),
+                      child: CustomizedText.labelMedium(S.of(context).pivExport, color: contentTheme.onPrimary),
                     ),
                     Spacing.width(12),
                     CustomizedButton.rounded(
@@ -575,7 +619,7 @@ class _PivPageState extends State<PivPage> with SingleTickerProviderStateMixin,
                       elevation: 0,
                       padding: Spacing.xy(20, 16),
                       backgroundColor: contentTheme.danger,
-                      child: CustomizedText.labelMedium('Delete', color: contentTheme.onDanger),
+                      child: CustomizedText.labelMedium(S.of(context).pivDelete, color: contentTheme.onDanger),
                     ),
                   ],
                 ],
diff --git a/linux/flutter/generated_plugin_registrant.cc b/linux/flutter/generated_plugin_registrant.cc
index c378e4e..e1c3111 100644
--- a/linux/flutter/generated_plugin_registrant.cc
+++ b/linux/flutter/generated_plugin_registrant.cc
@@ -7,6 +7,7 @@
 #include "generated_plugin_registrant.h"
 
 #include <ccid/ccid_plugin.h>
+#include <file_saver/file_saver_plugin.h>
 #include <flutter_webrtc/flutter_web_r_t_c_plugin.h>
 #include <url_launcher_linux/url_launcher_plugin.h>
 
@@ -14,6 +15,9 @@ void fl_register_plugins(FlPluginRegistry* registry) {
   g_autoptr(FlPluginRegistrar) ccid_registrar =
       fl_plugin_registry_get_registrar_for_plugin(registry, "CcidPlugin");
   ccid_plugin_register_with_registrar(ccid_registrar);
+  g_autoptr(FlPluginRegistrar) file_saver_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "FileSaverPlugin");
+  file_saver_plugin_register_with_registrar(file_saver_registrar);
   g_autoptr(FlPluginRegistrar) flutter_webrtc_registrar =
       fl_plugin_registry_get_registrar_for_plugin(registry, "FlutterWebRTCPlugin");
   flutter_web_r_t_c_plugin_register_with_registrar(flutter_webrtc_registrar);
diff --git a/linux/flutter/generated_plugins.cmake b/linux/flutter/generated_plugins.cmake
index bdd41bf..8207d1f 100644
--- a/linux/flutter/generated_plugins.cmake
+++ b/linux/flutter/generated_plugins.cmake
@@ -4,6 +4,7 @@
 
 list(APPEND FLUTTER_PLUGIN_LIST
   ccid
+  file_saver
   flutter_webrtc
   url_launcher_linux
 )
diff --git a/macos/Flutter/GeneratedPluginRegistrant.swift b/macos/Flutter/GeneratedPluginRegistrant.swift
index c97fb48..70e936b 100644
--- a/macos/Flutter/GeneratedPluginRegistrant.swift
+++ b/macos/Flutter/GeneratedPluginRegistrant.swift
@@ -8,6 +8,7 @@ import Foundation
 import ccid
 import cryptography_flutter
 import device_info_plus
+import file_saver
 import flutter_webrtc
 import mobile_scanner
 import path_provider_foundation
@@ -18,6 +19,7 @@ func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   CcidPlugin.register(with: registry.registrar(forPlugin: "CcidPlugin"))
   CryptographyFlutterPlugin.register(with: registry.registrar(forPlugin: "CryptographyFlutterPlugin"))
   DeviceInfoPlusMacosPlugin.register(with: registry.registrar(forPlugin: "DeviceInfoPlusMacosPlugin"))
+  FileSaverPlugin.register(with: registry.registrar(forPlugin: "FileSaverPlugin"))
   FlutterWebRTCPlugin.register(with: registry.registrar(forPlugin: "FlutterWebRTCPlugin"))
   MobileScannerPlugin.register(with: registry.registrar(forPlugin: "MobileScannerPlugin"))
   PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
diff --git a/pubspec.yaml b/pubspec.yaml
index 9718118..ebb5bda 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -45,6 +45,8 @@ dependencies:
   dart_des: ^1.0.2
   x509: ^0.2.4+2
   asn1lib: ^1.5.2
+  pem: ^2.0.5
+  file_saver: ^0.2.12
 
 dev_dependencies:
   flutter_test:
diff --git a/windows/flutter/generated_plugin_registrant.cc b/windows/flutter/generated_plugin_registrant.cc
index b459b89..2cb9d13 100644
--- a/windows/flutter/generated_plugin_registrant.cc
+++ b/windows/flutter/generated_plugin_registrant.cc
@@ -7,12 +7,15 @@
 #include "generated_plugin_registrant.h"
 
 #include <ccid/ccid_plugin_c_api.h>
+#include <file_saver/file_saver_plugin.h>
 #include <flutter_webrtc/flutter_web_r_t_c_plugin.h>
 #include <url_launcher_windows/url_launcher_windows.h>
 
 void RegisterPlugins(flutter::PluginRegistry* registry) {
   CcidPluginCApiRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("CcidPluginCApi"));
+  FileSaverPluginRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("FileSaverPlugin"));
   FlutterWebRTCPluginRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("FlutterWebRTCPlugin"));
   UrlLauncherWindowsRegisterWithRegistrar(
diff --git a/windows/flutter/generated_plugins.cmake b/windows/flutter/generated_plugins.cmake
index 42f55cd..93f8573 100644
--- a/windows/flutter/generated_plugins.cmake
+++ b/windows/flutter/generated_plugins.cmake
@@ -4,6 +4,7 @@
 
 list(APPEND FLUTTER_PLUGIN_LIST
   ccid
+  file_saver
   flutter_webrtc
   url_launcher_windows
 )