diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 2d1ad42c..dd139fc5 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -15,10 +15,14 @@
         android:theme="@style/SplashTheme"
         android:usesCleartextTraffic="true"
         tools:ignore="UnusedAttribute">
+        <activity
+            android:name=".ui.modules.login.LoginLibrusCaptchaActivity"
+            android:theme="@android:style/Theme.Dialog"
+            android:excludeFromRecents="true"/>
         <activity
             android:name=".MainActivity"
-            android:label="@string/app_name"
             android:configChanges="orientation|screenSize"
+            android:label="@string/app_name"
             android:launchMode="singleTop"
             android:theme="@style/SplashTheme">
             <intent-filter>
@@ -29,7 +33,7 @@
             </intent-filter>
         </activity>
         <activity
-            android:name="pl.szczodrzynski.edziennik.ui.modules.messages.MessagesComposeActivity"
+            android:name=".ui.modules.messages.MessagesComposeActivity"
             android:configChanges="orientation|screenSize"
             android:label="@string/messages_compose_title"
             android:theme="@style/AppTheme.Black" />
@@ -39,7 +43,7 @@
             android:label="@string/app_name"
             android:theme="@style/AppTheme" />
         <activity
-            android:name="pl.szczodrzynski.edziennik.ui.modules.login.LoginActivity"
+            android:name=".ui.modules.login.LoginActivity"
             android:configChanges="orientation|screenSize"
             android:launchMode="singleTop"
             android:theme="@style/AppTheme.Light" />
@@ -101,22 +105,18 @@
             android:excludeFromRecents="true"
             android:noHistory="true"
             android:theme="@style/AppTheme.NoDisplay" />
-
         <activity
             android:name=".ui.modules.settings.SettingsLicenseActivity"
             android:configChanges="orientation|keyboardHidden"
             android:theme="@style/AppTheme" />
-
         <activity
             android:name="com.theartofdev.edmodo.cropper.CropImageActivity"
             android:configChanges="orientation|keyboardHidden"
             android:theme="@style/Base.Theme.AppCompat" />
-
         <activity
             android:name=".ui.modules.webpush.WebPushConfigActivity"
             android:configChanges="orientation|keyboardHidden"
             android:theme="@style/AppTheme.Dark" />
-
         <activity
             android:name=".ui.modules.home.CounterActivity"
             android:theme="@style/AppTheme.Black" />
@@ -169,7 +169,6 @@
                 android:name="android.appwidget.provider"
                 android:resource="@xml/widget_notifications_info" />
         </receiver>
-
         <receiver
             android:name=".widgets.luckynumber.WidgetLuckyNumber"
             android:label="@string/widget_lucky_number_title">
@@ -188,7 +187,6 @@
                 <action android:name="android.intent.action.USER_PRESENT" />
             </intent-filter>
         </receiver>
-
         <receiver android:name=".receivers.BootReceiver">
             <intent-filter>
                 <action android:name="android.intent.action.BOOT_COMPLETED" />
@@ -196,14 +194,7 @@
                 <action android:name="android.intent.action.QUICKBOOT_POWERON" />
             </intent-filter>
         </receiver>
-        <service
-            android:name=".sync.MyFirebaseMessagingService"
-            android:exported="false">
-            <intent-filter>
-                <action android:name="com.google.firebase.INSTANCE_ID_EVENT" />
-                <action android:name="com.google.firebase.MESSAGING_EVENT" />
-            </intent-filter>
-        </service>
+
         <receiver
             android:name=".sync.FirebaseBroadcastReceiver"
             android:exported="true"
@@ -212,6 +203,23 @@
                 <action android:name="com.google.android.c2dm.intent.RECEIVE" />
             </intent-filter>
         </receiver>
+
+        <receiver
+            android:name=".receivers.SzkolnyReceiver"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="pl.szczodrzynski.edziennik.SZKOLNY_MAIN" />
+            </intent-filter>
+        </receiver>
+
+        <service
+            android:name=".sync.MyFirebaseMessagingService"
+            android:exported="false">
+            <intent-filter>
+                <action android:name="com.google.firebase.INSTANCE_ID_EVENT" />
+                <action android:name="com.google.firebase.MESSAGING_EVENT" />
+            </intent-filter>
+        </service>
         <service
             android:name=".widgets.timetable.WidgetTimetableService"
             android:permission="android.permission.BIND_REMOTEVIEWS" />
@@ -222,14 +230,6 @@
 
         <service android:name=".Notifier$GetDataRetryService" />
 
-        <receiver
-            android:name=".receivers.SzkolnyReceiver"
-            android:exported="true">
-            <intent-filter>
-                <action android:name="pl.szczodrzynski.edziennik.SZKOLNY_MAIN" />
-            </intent-filter>
-        </receiver>
-
         <service android:name=".api.v2.ApiService" />
     </application>
     <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
@@ -244,4 +244,4 @@
 
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
 
-</manifest>
+</manifest>
\ No newline at end of file
diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/home/HomeFragment.java b/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/home/HomeFragment.java
index d5aca94b..8f606cac 100644
--- a/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/home/HomeFragment.java
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/home/HomeFragment.java
@@ -30,6 +30,7 @@ import androidx.fragment.app.Fragment;
 import androidx.work.WorkManager;
 
 import com.afollestad.materialdialogs.MaterialDialog;
+import com.chuckerteam.chucker.api.Chucker;
 import com.mikepenz.iconics.IconicsColor;
 import com.mikepenz.iconics.IconicsDrawable;
 import com.mikepenz.iconics.IconicsSize;
@@ -50,6 +51,7 @@ import pl.szczodrzynski.edziennik.databinding.CardLuckyNumberBinding;
 import pl.szczodrzynski.edziennik.databinding.CardUpdateBinding;
 import pl.szczodrzynski.edziennik.databinding.FragmentHomeBinding;
 import pl.szczodrzynski.edziennik.receivers.BootReceiver;
+import pl.szczodrzynski.edziennik.ui.modules.login.LoginLibrusCaptchaActivity;
 import pl.szczodrzynski.edziennik.ui.modules.messages.MessagesComposeActivity;
 import pl.szczodrzynski.edziennik.utils.Colors;
 import pl.szczodrzynski.edziennik.utils.Themes;
@@ -104,6 +106,14 @@ public class HomeFragment extends Fragment {
 
         b.pruneWorkButton.setOnClickListener((v -> WorkManager.getInstance(app).pruneWork()));
 
+        b.runChucker.setOnClickListener((v -> {
+            startActivity(Chucker.getLaunchIntent(activity, Chucker.SCREEN_HTTP));
+        }));
+
+        b.librusCaptchaButton.setOnClickListener((v -> {
+            startActivity(new Intent(activity, LoginLibrusCaptchaActivity.class));
+        }));
+
         //((TextView)v.findViewById(R.id.nextSync)).setText(getString(R.string.next_sync_format,Time.fromMillis(app.appJobs.syncJobTime).getStringHMS()));
 
 
diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/login/LoginLibrusCaptchaActivity.kt b/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/login/LoginLibrusCaptchaActivity.kt
new file mode 100644
index 00000000..3db5ca45
--- /dev/null
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/login/LoginLibrusCaptchaActivity.kt
@@ -0,0 +1,116 @@
+package pl.szczodrzynski.edziennik.ui.modules.login
+
+import android.annotation.SuppressLint
+import android.graphics.Color
+import android.os.Build
+import android.os.Bundle
+import android.util.Base64
+import android.webkit.JavascriptInterface
+import android.webkit.WebView
+import androidx.appcompat.app.AlertDialog
+import androidx.appcompat.app.AppCompatActivity
+import com.afollestad.materialdialogs.MaterialDialog
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import pl.szczodrzynski.edziennik.R
+import pl.szczodrzynski.edziennik.api.v2.LIBRUS_USER_AGENT
+import pl.szczodrzynski.edziennik.utils.Themes
+import pl.szczodrzynski.edziennik.utils.Utils.hexFromColorInt
+import java.nio.charset.Charset
+
+class LoginLibrusCaptchaActivity : AppCompatActivity() {
+    companion object {
+        private const val TAG = "LoginLibrusCaptchaActivity"
+    }
+
+    private lateinit var webView: WebView
+    private lateinit var dialog: AlertDialog
+    private lateinit var jsInterface: CaptchaCallbackInterface
+
+    @SuppressLint("AddJavascriptInterface", "SetJavaScriptEnabled")
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setTheme(Themes.appThemeNoDisplay)
+        setFinishOnTouchOutside(false)
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
+            WebView.setWebContentsDebuggingEnabled(true)
+        }
+
+        val base64Content = """
+PCFET0NUWVBFIGh0bWw+PGh0bWw+PGhlYWQ+PHNjcmlwdCBzcmM9Imh0dHBzOi8vd3d3Lmdvb2ds
+ZS5jb20vcmVjYXB0Y2hhL2FwaS5qcz9vbmxvYWQ9cmVhZHkmcmVuZGVyPWV4cGxpY2l0Ij48L3Nj
+cmlwdD48L2hlYWQ+PGJvZHk+PGJyPjxjZW50ZXIgaWQ9ImdyIj48L2NlbnRlcj48YnI+PHNjcmlw
+dD5mdW5jdGlvbiByZWFkeSgpe2dyZWNhcHRjaGEucmVuZGVyKCdncicse3NpdGVrZXk6JzZMZjQ4
+bW9VQUFBQUFCOUNsaGR2SHI0NmdSV1ItQ04zMUNYUVBHMlUnLHRoZW1lOidUSEVNRScsY2FsbGJh
+Y2s6ZnVuY3Rpb24oZSl7d2luZG93LmlmLmNhbGxiYWNrKGUpO30sImV4cGlyZWQtY2FsbGJhY2si
+OmZ1bmN0aW9uKCl7d2luZG93LmlmLmV4cGlyZWRDYWxsYmFjayhlKTt9LCJlcnJvci1jYWxsYmFj
+ayI6ZnVuY3Rpb24oKXt3aW5kb3cuaWYuZXJyb3JDYWxsYmFjayhlKTt9fSk7fTwvc2NyaXB0Pjwv
+Ym9keT48L2h0bWw+"""
+
+        val backgroundColor = if (Themes.isDark) 0x424242 else 0xffffff
+        val backgroundColorString = hexFromColorInt(backgroundColor)
+
+        val htmlContent = Base64.decode(base64Content, Base64.DEFAULT)
+                .toString(Charset.defaultCharset())
+                .replace("COLOR", backgroundColorString, true)
+                .replace("THEME", if (Themes.isDark) "dark" else "light")
+
+        jsInterface = object : CaptchaCallbackInterface {
+            @JavascriptInterface
+            override fun callback(recaptchaResponse: String) {
+                MaterialDialog.Builder(this@LoginLibrusCaptchaActivity)
+                        .title("Captcha checked")
+                        .content("Response: $recaptchaResponse")
+                        .positiveText("OK")
+                        .show()
+            }
+
+            @JavascriptInterface
+            override fun expiredCallback() {
+                MaterialDialog.Builder(this@LoginLibrusCaptchaActivity)
+                        .title("Captcha expired")
+                        .content("Captcha expired")
+                        .positiveText("OK")
+                        .show()
+            }
+
+            @JavascriptInterface
+            override fun errorCallback() {
+                MaterialDialog.Builder(this@LoginLibrusCaptchaActivity)
+                        .title("Captcha error")
+                        .content("Captcha error")
+                        .positiveText("OK")
+                        .show()
+            }
+        }
+
+        webView = WebView(this).apply {
+            //setBackgroundColor((backgroundColor.toLong() or 0xff000000).toInt())
+            setBackgroundColor(Color.TRANSPARENT)
+            settings.javaScriptEnabled = true
+            settings.userAgentString = LIBRUS_USER_AGENT
+            addJavascriptInterface(jsInterface, "if")
+            loadDataWithBaseURL("https://portal.librus.pl/rodzina/login/", htmlContent, "text/html", "UTF-8", null)
+            setLayerType(WebView.LAYER_TYPE_SOFTWARE, null)
+        }
+
+        dialog = MaterialAlertDialogBuilder(this)
+                .setTitle(R.string.login_librus_captcha_title)
+                .setView(webView)
+                .setNegativeButton(R.string.cancel) { dialog, _ ->
+                    dialog.dismiss()
+                    finish()
+                }
+                .setCancelable(false)
+                .show()
+    }
+
+    interface CaptchaCallbackInterface {
+        @JavascriptInterface
+        fun callback(recaptchaResponse: String)
+        @JavascriptInterface
+        fun expiredCallback()
+        @JavascriptInterface
+        fun errorCallback()
+    }
+}
diff --git a/app/src/main/res/layout/fragment_home.xml b/app/src/main/res/layout/fragment_home.xml
index cedad80b..10b278a4 100644
--- a/app/src/main/res/layout/fragment_home.xml
+++ b/app/src/main/res/layout/fragment_home.xml
@@ -36,24 +36,46 @@
                 android:layout_height="wrap_content"
                 android:visibility="gone"
                 android:orientation="vertical"
-                tools:visibility="visible">
+                tools:visibility="visible"
+                tools:ignore="HardcodedText">
+
+                <com.google.android.material.button.MaterialButton
+                    android:id="@+id/librusCaptchaButton"
+                    style="@style/Widget.MaterialComponents.Button"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_margin="8dp"
+                    android:text="Librus Captcha" />
+
+                <com.google.android.material.button.MaterialButton
+                    android:id="@+id/runChucker"
+                    style="@style/Widget.MaterialComponents.Button"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_margin="8dp"
+                    android:text="Launch Chucker" />
+
                 <LinearLayout
                     android:layout_width="match_parent"
-                    android:layout_height="wrap_content">
+                    android:layout_height="wrap_content"
+                    android:gravity="center">
+
                     <com.google.android.material.button.MaterialButton
                         android:id="@+id/mobidziennikMessagesSwitch"
                         style="@style/Widget.MaterialComponents.Button.OutlinedButton"
-                        android:layout_margin="8dp"
-                        android:layout_width="match_parent"
+                        android:layout_width="0dp"
                         android:layout_height="wrap_content"
+                        android:layout_margin="8dp"
+                        android:layout_weight="1"
                         android:text="Zmień moduł wiadomości" />
 
                     <com.google.android.material.button.MaterialButton
                         android:id="@+id/composeButton"
                         style="@style/Widget.MaterialComponents.Button"
-                        android:layout_width="match_parent"
+                        android:layout_width="0dp"
                         android:layout_height="wrap_content"
                         android:layout_margin="8dp"
+                        android:layout_weight="1"
                         android:text="Compose" />
                 </LinearLayout>
 
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index a08886af..dafa8099 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -984,4 +984,5 @@
     <string name="dont_ask_again">Nie pytaj ponownie</string>
     <string name="app_manager_open_failed">Nie udało się otworzyć ustawień</string>
     <string name="edziennik_notification_api_notify_title">Tworzenie powiadomień</string>
+    <string name="login_librus_captcha_title">Librus - logowanie</string>
 </resources>