diff --git a/app/src/main/java/org/schabi/newpipe/util/image/PreferredImageQuality.java b/app/src/main/java/org/schabi/newpipe/util/image/PreferredImageQuality.java
deleted file mode 100644
index 7106359b3..000000000
--- a/app/src/main/java/org/schabi/newpipe/util/image/PreferredImageQuality.java
+++ /dev/null
@@ -1,39 +0,0 @@
-package org.schabi.newpipe.util.image;
-
-import android.content.Context;
-
-import org.schabi.newpipe.R;
-import org.schabi.newpipe.extractor.Image;
-
-public enum PreferredImageQuality {
-    NONE,
-    LOW,
-    MEDIUM,
-    HIGH;
-
-    public static PreferredImageQuality fromPreferenceKey(final Context context, final String key) {
-        if (context.getString(R.string.image_quality_none_key).equals(key)) {
-            return NONE;
-        } else if (context.getString(R.string.image_quality_low_key).equals(key)) {
-            return LOW;
-        } else if (context.getString(R.string.image_quality_high_key).equals(key)) {
-            return HIGH;
-        } else {
-            return MEDIUM; // default to medium
-        }
-    }
-
-    public Image.ResolutionLevel toResolutionLevel() {
-        switch (this) {
-            case LOW:
-                return Image.ResolutionLevel.LOW;
-            case MEDIUM:
-                return Image.ResolutionLevel.MEDIUM;
-            case HIGH:
-                return Image.ResolutionLevel.HIGH;
-            default:
-            case NONE:
-                return Image.ResolutionLevel.UNKNOWN;
-        }
-    }
-}
diff --git a/app/src/main/java/org/schabi/newpipe/util/image/PreferredImageQuality.kt b/app/src/main/java/org/schabi/newpipe/util/image/PreferredImageQuality.kt
new file mode 100644
index 000000000..b90ba87aa
--- /dev/null
+++ b/app/src/main/java/org/schabi/newpipe/util/image/PreferredImageQuality.kt
@@ -0,0 +1,38 @@
+/*
+ * SPDX-FileCopyrightText: 2023-2025 NewPipe contributors <https://newpipe.net>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package org.schabi.newpipe.util.image
+
+import android.content.Context
+import org.schabi.newpipe.R
+import org.schabi.newpipe.extractor.Image.ResolutionLevel
+
+enum class PreferredImageQuality {
+    NONE,
+    LOW,
+    MEDIUM,
+    HIGH;
+
+    fun toResolutionLevel(): ResolutionLevel {
+        return when (this) {
+            LOW -> ResolutionLevel.LOW
+            MEDIUM -> ResolutionLevel.MEDIUM
+            HIGH -> ResolutionLevel.HIGH
+            NONE -> ResolutionLevel.UNKNOWN
+        }
+    }
+
+    companion object {
+        @JvmStatic
+        fun fromPreferenceKey(context: Context, key: String?): PreferredImageQuality {
+            return when (key) {
+                context.getString(R.string.image_quality_none_key) -> NONE
+                context.getString(R.string.image_quality_low_key) -> LOW
+                context.getString(R.string.image_quality_high_key) -> HIGH
+                else -> MEDIUM // default to medium
+            }
+        }
+    }
+}