diff --git a/virtdata-lib-basics/src/main/java/io/nosqlbench/virtdata/library/basics/shared/conversions/from_any/ToJSON.java b/virtdata-lib-basics/src/main/java/io/nosqlbench/virtdata/library/basics/shared/conversions/from_any/ToJSON.java
new file mode 100644
index 000000000..15831fd46
--- /dev/null
+++ b/virtdata-lib-basics/src/main/java/io/nosqlbench/virtdata/library/basics/shared/conversions/from_any/ToJSON.java
@@ -0,0 +1,23 @@
+package io.nosqlbench.virtdata.library.basics.shared.conversions.from_any;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import io.nosqlbench.virtdata.api.annotations.Categories;
+import io.nosqlbench.virtdata.api.annotations.Category;
+import io.nosqlbench.virtdata.api.annotations.ThreadSafeMapper;
+
+import java.util.function.Function;
+
+/**
+ * Convert the input object to a JSON string with Gson.
+ */
+@ThreadSafeMapper
+@Categories({Category.conversion})
+public class ToJSON implements Function<Object,String> {
+    private final static Gson gson = new GsonBuilder().create();
+
+    @Override
+    public String apply(Object o) {
+        return gson.toJson(o);
+    }
+}
diff --git a/virtdata-lib-basics/src/main/java/io/nosqlbench/virtdata/library/basics/shared/conversions/from_any/ToJSONPretty.java b/virtdata-lib-basics/src/main/java/io/nosqlbench/virtdata/library/basics/shared/conversions/from_any/ToJSONPretty.java
new file mode 100644
index 000000000..5b0b9596b
--- /dev/null
+++ b/virtdata-lib-basics/src/main/java/io/nosqlbench/virtdata/library/basics/shared/conversions/from_any/ToJSONPretty.java
@@ -0,0 +1,23 @@
+package io.nosqlbench.virtdata.library.basics.shared.conversions.from_any;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import io.nosqlbench.virtdata.api.annotations.Categories;
+import io.nosqlbench.virtdata.api.annotations.Category;
+import io.nosqlbench.virtdata.api.annotations.ThreadSafeMapper;
+
+import java.util.function.Function;
+
+/**
+ * Convert the input object to a JSON string with Gson, with pretty printing enabled.
+ */
+@ThreadSafeMapper
+@Categories({Category.conversion})
+public class ToJSONPretty implements Function<Object,String> {
+    private final static Gson gson = new GsonBuilder().setPrettyPrinting().create();
+
+    @Override
+    public String apply(Object o) {
+        return gson.toJson(o);
+    }
+}