diff --git a/app/src/main/java/awais/instagrabber/utils/CubicInterpolation.java b/app/src/main/java/awais/instagrabber/utils/CubicInterpolation.kt
similarity index 100%
rename from app/src/main/java/awais/instagrabber/utils/CubicInterpolation.java
rename to app/src/main/java/awais/instagrabber/utils/CubicInterpolation.kt
diff --git a/app/src/main/java/awais/instagrabber/utils/IntentUtils.java b/app/src/main/java/awais/instagrabber/utils/IntentUtils.kt
similarity index 100%
rename from app/src/main/java/awais/instagrabber/utils/IntentUtils.java
rename to app/src/main/java/awais/instagrabber/utils/IntentUtils.kt
diff --git a/app/src/main/java/awais/instagrabber/utils/KeywordsFilterUtils.java b/app/src/main/java/awais/instagrabber/utils/KeywordsFilterUtils.kt
similarity index 100%
rename from app/src/main/java/awais/instagrabber/utils/KeywordsFilterUtils.java
rename to app/src/main/java/awais/instagrabber/utils/KeywordsFilterUtils.kt
diff --git a/app/src/main/java/awais/instagrabber/utils/ThemeUtils.java b/app/src/main/java/awais/instagrabber/utils/ThemeUtils.kt
similarity index 100%
rename from app/src/main/java/awais/instagrabber/utils/ThemeUtils.java
rename to app/src/main/java/awais/instagrabber/utils/ThemeUtils.kt