diff --git a/src/cmd/jsondebug/common/helpers.go b/src/cmd/jsondebug/common/helpers.go
new file mode 100644
index 000000000..6213cbde7
--- /dev/null
+++ b/src/cmd/jsondebug/common/helpers.go
@@ -0,0 +1,31 @@
+package common
+
+import (
+	"fmt"
+	"runtime"
+)
+
+const (
+	NumItems = 300000
+	ItemSize = 1024
+	FileName = "input.json"
+)
+
+type Foo struct {
+	A []byte
+}
+
+func PrintMemUsage() {
+	var m runtime.MemStats
+
+	runtime.ReadMemStats(&m)
+	// For info on each, see: https://golang.org/pkg/runtime/#MemStats
+	fmt.Printf("Alloc = %v MiB", bToMb(m.Alloc))
+	fmt.Printf("\tTotalAlloc = %v MiB", bToMb(m.TotalAlloc))
+	fmt.Printf("\tSys = %v MiB", bToMb(m.Sys))
+	fmt.Printf("\tNumGC = %v\n", m.NumGC)
+}
+
+func bToMb(b uint64) uint64 {
+	return b / 1024 / 1024
+}
diff --git a/src/cmd/jsondebug/gen/gen.go b/src/cmd/jsondebug/gen/gen.go
new file mode 100644
index 000000000..6ce593f11
--- /dev/null
+++ b/src/cmd/jsondebug/gen/gen.go
@@ -0,0 +1,47 @@
+package main
+
+import (
+	"crypto/rand"
+	"encoding/json"
+	"fmt"
+	"os"
+
+	"github.com/alcionai/corso/src/cmd/jsondebug/common"
+)
+
+func main() {
+	buf := make([]byte, common.ItemSize)
+	data := make([]common.Foo, 0, common.NumItems)
+
+	for i := 0; i < common.NumItems; i++ {
+		n, err := rand.Read(buf)
+		if err != nil {
+			fmt.Printf("Error reading random data: %v\n", err)
+			return
+		} else if n != common.ItemSize {
+			fmt.Printf(
+				"Short read for item data: wanted %d, got %d\n",
+				common.ItemSize,
+				n,
+			)
+			return
+		}
+
+		item := common.Foo{A: buf}
+		data = append(data, item)
+	}
+
+	f, err := os.Create(common.FileName)
+	if err != nil {
+		fmt.Printf("Error making output file: %v\n", err)
+		return
+	}
+
+	defer f.Close()
+
+	enc := json.NewEncoder(f)
+	if err := enc.Encode(data); err != nil {
+		fmt.Printf("Error writing json to file: %v\n", err)
+		return
+	}
+}
diff --git a/src/cmd/jsondebug/goread/read.go b/src/cmd/jsondebug/goread/read.go
new file mode 100644
index 000000000..39ba3e006
--- /dev/null
+++ b/src/cmd/jsondebug/goread/read.go
@@ -0,0 +1,30 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+
+	"github.com/alcionai/corso/src/cmd/jsondebug/common"
+)
+
+func main() {
+	f, err := os.Open(common.FileName)
+	if err != nil {
+		fmt.Printf("Error opening input file: %v\n", err)
+		return
+	}
+
+	defer f.Close()
+
+	dec := json.NewDecoder(f)
+
+	output := []common.Foo{}
+
+	if err := dec.Decode(&output); err != nil {
+		fmt.Printf("Error decoding input: %v\n", err)
+		return
+	}
+
+	common.PrintMemUsage()
+}