diff --git a/app/src/main/java/com/wbrawner/simplemarkdown/model/Readability.java b/app/src/main/java/com/wbrawner/simplemarkdown/model/Readability.java
deleted file mode 100644
index 53d6ca3..0000000
--- a/app/src/main/java/com/wbrawner/simplemarkdown/model/Readability.java
+++ /dev/null
@@ -1,35 +0,0 @@
-package com.wbrawner.simplemarkdown.model;
-
-import java.util.ArrayList;
-import java.util.List;
-
-public class Readability {
-    private String content;
-    private static final String DELIMS = ".!?\n";
-
-    public Readability(String content) {
-        this.content = content;
-    }
-
-    public List<Sentence> sentences() {
-
-        ArrayList<Sentence> list = new ArrayList<>();
-
-        int startOfSentance = 0;
-        StringBuilder lineBuilder = new StringBuilder();
-        for (int i = 0; i < content.length(); i++) {
-            String c = content.charAt(i) + "";
-            if (DELIMS.contains(c)) {
-                list.add(new Sentence(content, startOfSentance, i));
-                startOfSentance = i + 1;
-                lineBuilder = new StringBuilder();
-            } else {
-                lineBuilder.append(c);
-            }
-        }
-        String line = lineBuilder.toString();
-        if (!line.isEmpty()) list.add(new Sentence(content, startOfSentance, content.length()));
-
-        return list;
-    }
-}
diff --git a/app/src/main/java/com/wbrawner/simplemarkdown/model/Readability.kt b/app/src/main/java/com/wbrawner/simplemarkdown/model/Readability.kt
new file mode 100644
index 0000000..aad2bee
--- /dev/null
+++ b/app/src/main/java/com/wbrawner/simplemarkdown/model/Readability.kt
@@ -0,0 +1,29 @@
+package com.wbrawner.simplemarkdown.model
+
+import java.util.*
+
+class Readability(private val content: String) {
+
+    fun sentences(): List<Sentence> {
+        val list = ArrayList<Sentence>()
+        var startOfSentance = 0
+        var lineBuilder = StringBuilder()
+        for (i in 0 until content.length) {
+            val c = content[i] + ""
+            if (DELIMS.contains(c)) {
+                list.add(Sentence(content, startOfSentance, i))
+                startOfSentance = i + 1
+                lineBuilder = StringBuilder()
+            } else {
+                lineBuilder.append(c)
+            }
+        }
+        val line = lineBuilder.toString()
+        if (line.isNotEmpty()) list.add(Sentence(content, startOfSentance, content.length))
+        return list
+    }
+
+    companion object {
+        private const val DELIMS = ".!?\n"
+    }
+}