diff --git a/src/gui/__init__.py b/src/gui/__init__.py
--- a/src/gui/__init__.py
+++ b/src/gui/__init__.py
@@ -1,4 +1,6 @@
-import logging
+import os
+import json
+import logging
 import threading
 import tkinter as tk
 
@@ -6,6 +8,7 @@ import config
 from .mainwindow import MainWindow
 from .boardview import BoardView
 from .settings import Settings
+from util import exportBoard
 
 log=logging.getLogger(__name__)
 
@@ -23,6 +26,8 @@ class GUI:
 		self._coreMessages=None
 
 		self._state=GUI.SETUP
+		self._board=[]
+		self._filename=""
 
 		self.mainWindow = MainWindow(self, master=self.root)
 		self.settings=None
@@ -33,6 +38,7 @@ class GUI:
 		self.root.bind("<<setUp>>", lambda e: self.setUp())
 		self.root.bind("<<setRecording>>", lambda e: self.setRecording())
 		self.root.bind("<F12>",lambda e: Settings(self))
+		self.root.bind("s",lambda e: self._save())
 		self.mainWindow.bind("<Destroy>",lambda e: self._ownMessages.send("!kill",("gui",)))
 
 		self.setUp()
@@ -62,6 +68,18 @@ class GUI:
 			self.settings.destroy()
 			self.settings=None
 
+	def _save(self):
+		board=exportBoard(self._board)
+		corners=[[p.x,p.y] for p in self.mainWindow.imgView.exportCorners()]
+		res={
+			self._filename: {
+				"board": board,
+				"corners": corners
+			}
+		}
+		with open(os.path.join(config.misc.imgDir,self._filename+".json"), mode="wt") as f:
+			json.dump(res,f,indent="\t")
+
 	def _handleEvent(self,e):
 		actions={
 			"setCurrentFrame": self._frameHandler,
@@ -72,13 +90,15 @@ class GUI:
 
 		return actions[actionName](*args,**kwargs)
 
-	def _frameHandler(self,newFrame,type):
+	def _frameHandler(self,newFrame,type,filename):
 		if self._state!=type: return
+		self._filename=filename
 		self.mainWindow.setCurrentFrame(newFrame)
 		self.root.event_generate("<<redrawImgView>>")
 
 	def _stateHandler(self,gameState,moves):
 		labels={(row,col):(i+1) for (i,(c,row,col)) in enumerate(moves)}
+		self._board=gameState
 		self.mainWindow.boardView.redrawState(gameState,labels)
 
 	def _paramsHandler(self,**params):