diff --git a/unmaintained/see_dat/see_dat.go b/unmaintained/see_dat/see_dat.go
index efc58e751..f86936364 100644
--- a/unmaintained/see_dat/see_dat.go
+++ b/unmaintained/see_dat/see_dat.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"flag"
+	master_ui "github.com/chrislusf/seaweedfs/weed/server/volume_server_ui"
 	"time"
 
 	"github.com/chrislusf/seaweedfs/weed/glog"
@@ -25,13 +26,17 @@ func (scanner *VolumeFileScanner4SeeDat) VisitSuperBlock(superBlock super_block.
 	return nil
 
 }
-func (scanner *VolumeFileScanner4SeeDat) ReadNeedleBody() bool {
-	return true
-}
+func (scanner *VolumeFileScanner4SeeDat) ReadNeedleBody() bool { return true }
 
 func (scanner *VolumeFileScanner4SeeDat) VisitNeedle(n *needle.Needle, offset int64, needleHeader, needleBody []byte) error {
 	t := time.Unix(int64(n.AppendAtNs)/int64(time.Second), int64(n.AppendAtNs)%int64(time.Second))
-	glog.V(0).Infof("%d,%s%x offset %d size %d cookie %x appendedAt %v", *volumeId, n.Id, n.Cookie, offset, n.Size, n.Cookie, t)
+
+	if readable, ok := master_ui.BytesToHumanReadable(uint64(n.Size)); ok {
+		glog.V(0).Infof("%d,%s%x offset %d size %d (%s) cookie %x appendedAt %v", *volumeId, n.Id, n.Cookie, offset, n.Size, readable, n.Cookie, t)
+	} else {
+		glog.V(0).Infof("%d,%s%x offset %d size %d cookie %x appendedAt %v", *volumeId, n.Id, n.Cookie, offset, n.Size, n.Cookie, t)
+	}
+
 	return nil
 }
 
diff --git a/unmaintained/see_idx/see_idx.go b/unmaintained/see_idx/see_idx.go
index 777af1821..095e2c5e3 100644
--- a/unmaintained/see_idx/see_idx.go
+++ b/unmaintained/see_idx/see_idx.go
@@ -3,6 +3,7 @@ package main
 import (
 	"flag"
 	"fmt"
+	master_ui "github.com/chrislusf/seaweedfs/weed/server/volume_server_ui"
 	"os"
 	"path"
 	"strconv"
@@ -36,8 +37,11 @@ func main() {
 	defer indexFile.Close()
 
 	idx.WalkIndexFile(indexFile, func(key types.NeedleId, offset types.Offset, size uint32) error {
-		fmt.Printf("key:%v offset:%v size:%v\n", key, offset, size)
+		if readable, ok := master_ui.BytesToHumanReadable(uint64(size)); ok {
+			fmt.Printf("key:%v offset:%v size:%v (%s)\n", key, offset, size, readable)
+		} else {
+			fmt.Printf("key:%v offset:%v size:%v\n", key, offset, size)
+		}
 		return nil
 	})
-
 }
diff --git a/weed/server/volume_server_ui/templates.go b/weed/server/volume_server_ui/templates.go
index a3175e9ca..d703518cc 100644
--- a/weed/server/volume_server_ui/templates.go
+++ b/weed/server/volume_server_ui/templates.go
@@ -7,8 +7,16 @@ import (
 	"strings"
 )
 
+const unit = 1024
+
+// BytesToHumanReadable exposes the bytesToHumanReadble.
+// It returns the converted human readable representation of the bytes
+// and the conversion state that true for conversion realy occurred or false for no conversion.
+func BytesToHumanReadable(b uint64) (string, bool) {
+	return bytesToHumanReadble(b), b >= unit
+}
+
 func bytesToHumanReadble(b uint64) string {
-	const unit = 1024
 	if b < unit {
 		return fmt.Sprintf("%d B", b)
 	}