diff --git a/executor.go b/executor.go
index d82f83b..cfd60c2 100644
--- a/executor.go
+++ b/executor.go
@@ -2680,6 +2680,11 @@ func (e *Executor) applyFilter(value, filter string) string {
 		return value
 	}
 
+	// Handle b64encode
+	if filter == "b64encode" {
+		return base64.StdEncoding.EncodeToString([]byte(value))
+	}
+
 	return value
 }
 
diff --git a/executor_extra_test.go b/executor_extra_test.go
index 3b2e5b9..13fc11e 100644
--- a/executor_extra_test.go
+++ b/executor_extra_test.go
@@ -1049,6 +1049,11 @@ func TestExecutorExtra_ApplyFilter_Good_B64Decode(t *testing.T) {
 	assert.Equal(t, "hello", e.applyFilter("aGVsbG8=", "b64decode"))
 }
 
+func TestExecutorExtra_ApplyFilter_Good_B64Encode(t *testing.T) {
+	e := NewExecutor("/tmp")
+	assert.Equal(t, "aGVsbG8=", e.applyFilter("hello", "b64encode"))
+}
+
 func TestExecutorExtra_ApplyFilter_Good_UnknownFilter(t *testing.T) {
 	e := NewExecutor("/tmp")
 	assert.Equal(t, "value", e.applyFilter("value", "unknown_filter"))
@@ -1076,3 +1081,11 @@ func TestExecutorExtra_ResolveExpr_Good_WithFilter(t *testing.T) {
 	result := e.resolveExpr("raw_value | trim", "host1", nil)
 	assert.Equal(t, "trimmed", result)
 }
+
+func TestExecutorExtra_ResolveExpr_Good_WithB64Encode(t *testing.T) {
+	e := NewExecutor("/tmp")
+	e.vars["raw_value"] = "hello"
+
+	result := e.resolveExpr("raw_value | b64encode", "host1", nil)
+	assert.Equal(t, "aGVsbG8=", result)
+}