diff --git a/utils/plot_json_export/.gitignore b/utils/plot_json_export/.gitignore
index 68bc17f..7a154e7 100644
--- a/utils/plot_json_export/.gitignore
+++ b/utils/plot_json_export/.gitignore
@@ -158,3 +158,6 @@ cython_debug/
 #  and can be added to the global gitignore or merged into this file.  For a more nuclear
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
 #.idea/
+
+
+out.png
diff --git a/utils/plot_json_export/plot_json_export.py b/utils/plot_json_export/plot_json_export.py
index 2b3ecce..e19569a 100644
--- a/utils/plot_json_export/plot_json_export.py
+++ b/utils/plot_json_export/plot_json_export.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 
-import json, numpy as np, matplotlib.pyplot as plt
+import orjson, numpy as np, matplotlib.pyplot as plt
 
 def color_int2tuple(colorint):
     # https://stackoverflow.com/a/2262152, License https://creativecommons.org/licenses/by-sa/2.5/
@@ -12,13 +12,13 @@ def main(argv):
         return 1
     filename = argv[1]
     try:
-        file = open(filename, "r")
+        file = open(filename, "rb")
     except IOError:
         print("Error opening file.")
         raise
     else:
         with file:
-            data = json.load(file)
+            data = orjson.loads(file.read())
     assert "map" in data, "Invalid JSON savefile format"
     plts = np.array(tuple(tuple(color_int2tuple(int(c)) for c in r) for r in data["map"]), dtype=np.uint8)
     if len(argv) >= 3:
@@ -34,11 +34,11 @@ def main(argv):
             plts = np.rot90(plts, axes = (0,1))
         case "-90" | "270" | "+270":
             plts = np.rot90(plts, k = -1, axes = (0,1))
+    plt.figure(facecolor=(0, 0, 0))
     plt.imshow(plts)
-    try:
-        plt.show()
-    except KeyboardInterrupt:
-        pass
+    plt.axis('off')
+    plt.savefig('out.png', bbox_inches='tight')
+    print("Image saved at out.png.")
     return 0
 
 if __name__ == "__main__":
diff --git a/utils/plot_json_export/requirements.txt b/utils/plot_json_export/requirements.txt
new file mode 100644
index 0000000..89fa62b
--- /dev/null
+++ b/utils/plot_json_export/requirements.txt
@@ -0,0 +1,12 @@
+contourpy==1.1.0
+cycler==0.11.0
+fonttools==4.42.1
+kiwisolver==1.4.5
+matplotlib==3.7.2
+numpy==1.25.2
+orjson==3.9.5
+packaging==23.1
+Pillow==10.0.0
+pyparsing==3.0.9
+python-dateutil==2.8.2
+six==1.16.0