diff --git a/speedtest.go b/speedtest.go
index f90981a..44935f7 100644
--- a/speedtest.go
+++ b/speedtest.go
@@ -1,6 +1,7 @@
 package main
 
 import (
+	"encoding/json"
 	"fmt"
 	"log"
 	"os"
@@ -14,8 +15,14 @@ var (
 	showList   = kingpin.Flag("list", "Show available speedtest.net servers.").Short('l').Bool()
 	serverIds  = kingpin.Flag("server", "Select server id to speedtest.").Short('s').Ints()
 	savingMode = kingpin.Flag("saving-mode", "Using less memory (≒10MB), though low accuracy (especially > 30Mbps).").Bool()
+	jsonOutput = kingpin.Flag("json", "Output results as json").Bool()
 )
 
+type fullOutput struct {
+	UserInfo *speedtest.User   `json:"user_info"`
+	Servers  speedtest.Servers `json:"servers"`
+}
+
 func main() {
 	kingpin.Version("1.1.2")
 	kingpin.Parse()
@@ -24,7 +31,9 @@ func main() {
 	if err != nil {
 		fmt.Println("Warning: Cannot fetch user information. http://www.speedtest.net/speedtest-config.php is temporarily unavailable.")
 	}
-	showUser(user)
+	if !*jsonOutput {
+		showUser(user)
+	}
 
 	serverList, err := speedtest.FetchServerList(user)
 	checkError(err)
@@ -36,15 +45,40 @@ func main() {
 	targets, err := serverList.FindServer(*serverIds)
 	checkError(err)
 
-	startTest(targets, *savingMode)
+	startTest(targets, *savingMode, *jsonOutput)
+
+	if *jsonOutput {
+		jsonBytes, err := json.Marshal(
+			fullOutput{
+				UserInfo: user,
+				Servers:  targets,
+			},
+		)
+		checkError(err)
+
+		fmt.Println(string(jsonBytes))
+	}
 }
 
-func startTest(servers speedtest.Servers, savingMode bool) {
+func startTest(servers speedtest.Servers, savingMode bool, jsonOuput bool) {
 	for _, s := range servers {
-		showServer(s)
+		if !jsonOuput {
+			showServer(s)
+		}
 
 		err := s.PingTest()
 		checkError(err)
+
+		if jsonOuput {
+			err := s.DownloadTest(savingMode)
+			checkError(err)
+
+			err = s.UploadTest(savingMode)
+			checkError(err)
+
+			continue
+		}
+
 		showLatencyResult(s)
 
 		err = testDownload(s, savingMode)
@@ -55,7 +89,7 @@ func startTest(servers speedtest.Servers, savingMode bool) {
 		showServerResult(s)
 	}
 
-	if len(servers) > 1 {
+	if !jsonOuput && len(servers) > 1 {
 		showAverageServerResult(servers)
 	}
 }
diff --git a/speedtest/server.go b/speedtest/server.go
index a1e6fe1..f938001 100644
--- a/speedtest/server.go
+++ b/speedtest/server.go
@@ -3,31 +3,31 @@ package speedtest
 import (
 	"bytes"
 	"encoding/xml"
+	"errors"
 	"fmt"
 	"io/ioutil"
 	"math"
 	"net/http"
 	"sort"
 	"strconv"
-	"errors"
 	"time"
 )
 
 // Server information
 type Server struct {
-	URL      string `xml:"url,attr"`
-	Lat      string `xml:"lat,attr"`
-	Lon      string `xml:"lon,attr"`
-	Name     string `xml:"name,attr"`
-	Country  string `xml:"country,attr"`
-	Sponsor  string `xml:"sponsor,attr"`
-	ID       string `xml:"id,attr"`
-	URL2     string `xml:"url2,attr"`
-	Host     string `xml:"host,attr"`
-	Distance float64
-	Latency  time.Duration
-	DLSpeed  float64
-	ULSpeed  float64
+	URL      string        `xml:"url,attr" json:"url"`
+	Lat      string        `xml:"lat,attr" json:"lat"`
+	Lon      string        `xml:"lon,attr" json:"lon"`
+	Name     string        `xml:"name,attr" json:"name"`
+	Country  string        `xml:"country,attr" json:"country"`
+	Sponsor  string        `xml:"sponsor,attr" json:"sponsor"`
+	ID       string        `xml:"id,attr" json:"id"`
+	URL2     string        `xml:"url2,attr" json:"url_2"`
+	Host     string        `xml:"host,attr" json:"host"`
+	Distance float64       `json:"distance"`
+	Latency  time.Duration `json:"latency"`
+	DLSpeed  float64       `json:"dl_speed"`
+	ULSpeed  float64       `json:"ul_speed"`
 }
 
 // ServerList list of Server