diff --git a/pkg/api/worker.go b/pkg/api/worker.go
index aca4b944..a187e78a 100644
--- a/pkg/api/worker.go
+++ b/pkg/api/worker.go
@@ -47,7 +47,7 @@ type (
 	}
 	WebrtcIceCandidateRequest struct {
 		Stateful
-		Candidate string `json:"candidate"` // Base64-encoded ICE candidate
+		Candidate string `json:"candidate"`
 	}
 	InitWebrtcStreamRequest struct {
 		// Stateful
diff --git a/pkg/coordinator/hub.go b/pkg/coordinator/hub.go
index 9e646ced..ac04d15f 100644
--- a/pkg/coordinator/hub.go
+++ b/pkg/coordinator/hub.go
@@ -2,7 +2,6 @@ package coordinator
 
 import (
 	"bytes"
-	"encoding/base64"
 	"fmt"
 	"net/http"
 	"net/url"
@@ -92,7 +91,7 @@ func RequestToHandshake(data string) (*api.ConnectionRequest[com.Uid], error) {
 	if data == "" {
 		return nil, api.ErrMalformed
 	}
-	handshake, err := api.UnwrapChecked[api.ConnectionRequest[com.Uid]](base64.URLEncoding.DecodeString(data))
+	handshake, err := api.UnwrapChecked[api.ConnectionRequest[com.Uid]]([]byte(data), nil)
 	if err != nil || handshake == nil {
 		return nil, fmt.Errorf("%w (%v)", err, handshake)
 	}
diff --git a/pkg/worker/coordinatorhandlers.go b/pkg/worker/coordinatorhandlers.go
index 0d39eb51..c00fd3d6 100644
--- a/pkg/worker/coordinatorhandlers.go
+++ b/pkg/worker/coordinatorhandlers.go
@@ -1,8 +1,6 @@
 package worker
 
 import (
-	"encoding/base64"
-
 	"github.com/giongto35/cloud-game/v3/pkg/api"
 	"github.com/giongto35/cloud-game/v3/pkg/com"
 	"github.com/giongto35/cloud-game/v3/pkg/config"
@@ -17,7 +15,7 @@ import (
 // buildConnQuery builds initial connection data query to a coordinator.
 func buildConnQuery(id com.Uid, conf config.Worker, address string) (string, error) {
 	addr := conf.GetPingAddr(address)
-	return toBase64Json(api.ConnectionRequest[com.Uid]{
+	return toJson(api.ConnectionRequest[com.Uid]{
 		Addr:    addr.Hostname(),
 		Id:      id,
 		IsHTTPS: conf.Server.Https,
@@ -31,7 +29,7 @@ func buildConnQuery(id com.Uid, conf config.Worker, address string) (string, err
 func (c *coordinator) HandleInitWebrtcStream(rq api.InitWebrtcStreamRequest, w *Worker, factory *webrtc.ApiFactory) api.Out {
 	peer := webrtc.New(c.log, factory)
 	err := peer.NewConnection(w.conf.Encoder.Video.Codec, "opus", func(data any) {
-		candidate, err := toBase64Json(data)
+		candidate, err := toJson(data)
 		if err != nil {
 			c.log.Error().Err(err).Msgf("ICE candidate encode fail for [%v]", data)
 			return
@@ -44,7 +42,7 @@ func (c *coordinator) HandleInitWebrtcStream(rq api.InitWebrtcStreamRequest, w *
 	}
 
 	if rq.Initiator {
-		if err := peer.SetRemoteSDP(rq.Sdp, fromBase64Json); err != nil {
+		if err := peer.SetRemoteSDP(rq.Sdp, fromJson); err != nil {
 			c.log.Error().Err(err).Msgf("cannot set remote SDP of peer [%v]", rq.Id)
 			return api.EmptyPacket
 		}
@@ -61,7 +59,7 @@ func (c *coordinator) HandleInitWebrtcStream(rq api.InitWebrtcStreamRequest, w *
 		return api.EmptyPacket
 	}
 
-	sdp, err := toBase64Json(*lsdp)
+	sdp, err := toJson(*lsdp)
 	if err != nil {
 		c.log.Error().Err(err).Msgf("SDP encode fail for [%v]", *lsdp)
 		return api.EmptyPacket
@@ -76,7 +74,7 @@ func (c *coordinator) HandleInitWebrtcStream(rq api.InitWebrtcStreamRequest, w *
 
 func (c *coordinator) HandleWebrtcAnswer(rq api.WebrtcAnswerRequest, w *Worker) {
 	if user := w.router.FindUser(rq.Id); user != nil {
-		if err := room.WithWebRTC(user.Session).SetRemoteSDP(rq.Sdp, fromBase64Json); err != nil {
+		if err := room.WithWebRTC(user.Session).SetRemoteSDP(rq.Sdp, fromJson); err != nil {
 			c.log.Error().Err(err).Msgf("cannot set remote SDP of client [%v]", rq.Id)
 		}
 	}
@@ -84,7 +82,7 @@ func (c *coordinator) HandleWebrtcAnswer(rq api.WebrtcAnswerRequest, w *Worker)
 
 func (c *coordinator) HandleWebrtcIceCandidate(rs api.WebrtcIceCandidateRequest, w *Worker) {
 	if user := w.router.FindUser(rs.Id); user != nil {
-		if err := room.WithWebRTC(user.Session).AddCandidate(rs.Candidate, fromBase64Json); err != nil {
+		if err := room.WithWebRTC(user.Session).AddCandidate(rs.Candidate, fromJson); err != nil {
 			c.log.Error().Err(err).Msgf("cannot add ICE candidate of the client [%v]", rs.Id)
 		}
 	}
@@ -305,21 +303,11 @@ func (c *coordinator) HandleRecordGame(rq api.RecordGameRequest, w *Worker) api.
 	return api.OkPacket
 }
 
-// fromBase64Json decodes data from a URL-encoded Base64+JSON string.
-func fromBase64Json(data string, obj any) error {
-	b, err := base64.URLEncoding.DecodeString(data)
-	if err != nil {
-		return err
-	}
-	err = json.Unmarshal(b, obj)
-	if err != nil {
-		return err
-	}
-	return nil
+func fromJson(data string, obj any) error {
+	return json.Unmarshal([]byte(data), obj)
 }
 
-// toBase64Json encodes data to a URL-encoded Base64+JSON string.
-func toBase64Json(data any) (string, error) {
+func toJson(data any) (string, error) {
 	if data == nil {
 		return "", nil
 	}
@@ -327,5 +315,5 @@ func toBase64Json(data any) (string, error) {
 	if err != nil {
 		return "", err
 	}
-	return base64.URLEncoding.EncodeToString(b), nil
+	return string(b), nil
 }
diff --git a/web/js/api.js b/web/js/api.js
index e7824cab..018b4d1e 100755
--- a/web/js/api.js
+++ b/web/js/api.js
@@ -318,8 +318,8 @@ const libretro = (function () {
 })();
 
 // data type converters
-const toBase64 = (val) => btoa(JSON.stringify(val));
-const fromBase64 = (val) => JSON.parse(atob(val));
+const toJson = (val) => JSON.stringify(val);
+const fromJson = (val) => JSON.parse(val);
 const fromBytes = (val) =>
     JSON.parse(String.fromCharCode.apply(null, new Uint8Array(val)));
 
@@ -335,7 +335,7 @@ export const api = {
     endpoint: endpoints,
     endpointName: endpointName,
     fromBytes,
-    fromBase64,
+    fromJson,
     server: {
         /** Initializes the stream with the given config.
          * @property {boolean} initiator - whether the user is an initiator or not.
@@ -344,11 +344,11 @@ export const api = {
         initWebrtcStream: ({ initiator = false, sdpOffer = "" } = {}) =>
             packet(endpoints.INIT_WEBRTC_STREAM, {
                 initiator,
-                ...(sdpOffer && { sdp: toBase64(sdpOffer) }),
+                ...(sdpOffer && { sdp: toJson(sdpOffer) }),
             }),
         sendIceCandidate: (candidate) =>
-            packet(endpoints.ICE_CANDIDATE, toBase64(candidate)),
-        sendSdp: (sdp) => packet(endpoints.ANSWER, toBase64(sdp)),
+            packet(endpoints.ICE_CANDIDATE, toJson(candidate)),
+        sendSdp: (sdp) => packet(endpoints.ANSWER, toJson(sdp)),
         latencyCheck: (id, list) => packet(endpoints.LATENCY_CHECK, list, id),
         getWorkerList: () => packet(endpoints.GET_WORKER_LIST),
     },
diff --git a/web/js/app.js b/web/js/app.js
index e34ffce5..5f684f9b 100755
--- a/web/js/app.js
+++ b/web/js/app.js
@@ -185,10 +185,10 @@ const onMessage = (m) => {
             handleWebrtcStart({ data: payload, initiator });
             break;
         case api.endpoint.OFFER:
-            webrtc.answer(api.fromBase64(payload));
+            webrtc.answer(api.fromJson(payload));
             break;
         case api.endpoint.ICE_CANDIDATE:
-            webrtc.candidate(payload ? api.fromBase64(payload) : "");
+            webrtc.candidate(payload ? api.fromJson(payload) : "");
             break;
         case api.endpoint.GAME_START:
             if (payload.av) pub(APP_VIDEO_CHANGED, payload.av);