diff --git a/MiRCART-python/MiRCARTReduce.py b/MiRCART-python/MiRCARTReduce.py
new file mode 100755
index 0000000..3b3fe9c
--- /dev/null
+++ b/MiRCART-python/MiRCARTReduce.py
@@ -0,0 +1,49 @@
+#!/usr/bin/env python3
+#
+# MiRCARTReduce.py -- efficiently encode mIRC art {from,to} file
+# Copyright (c) 2018 Lucio Andrés Illanes Albornoz <lucio@lucioillanes.de>
+# This project is licensed under the terms of the MIT licence.
+#
+
+from MiRCARTCanvasImportStore import MiRCARTCanvasImportStore
+import sys
+
+def reduce(inPathName):
+    canvasStore = MiRCARTCanvasImportStore(inPathName)
+    inMap = canvasStore.outMap.copy(); del canvasStore;
+    with open(inPathName, "w+") as outFile:
+        for inCurRow in range(len(inMap)):
+            lastAttribs = MiRCARTCanvasImportStore._CellState.CS_NONE
+            lastColours = None
+            for inCurCol in range(len(inMap[inCurRow])):
+                inCurCell = inMap[inCurRow][inCurCol]
+                if lastAttribs != inCurCell[2]:
+                    if inCurCell[2] & MiRCARTCanvasImportStore._CellState.CS_BOLD:
+                        print("\u0002", end="", file=outFile)
+                    if inCurCell[2] & MiRCARTCanvasImportStore._CellState.CS_UNDERLINE:
+                        print("\u001f", end="", file=outFile)
+                    lastAttribs = inCurCell[2]
+                if lastColours == None                  \
+                or (lastColours[0] != inCurCell[:2][0]  \
+                and lastColours[1] != inCurCell[:2][1]):
+                    print("\u0003{:d},{:d}{}".format(*inCurCell[:2], inCurCell[3]), end="", file=outFile)
+                    lastColours = inCurCell[:2]
+                elif lastColours[1] == inCurCell[:2][1] \
+                and  lastColours[0] != inCurCell[:2][0]:
+                    print("\u0003{:d}{}".format(inCurCell[:2][0], inCurCell[3]), end="", file=outFile)
+                    lastColours[0] = inCurCell[:2][0]
+                else:
+                    print(inCurCell[3], end="", file=outFile)
+            print("\n", end="", file=outFile)
+
+#
+# Entry point
+def main(*argv):
+    reduce(argv[1])
+if __name__ == "__main__":
+    if (len(sys.argv) - 1) != 1:
+        print("usage: {} <MiRCART input file pathname>".format(sys.argv[0]), file=sys.stderr)
+    else:
+        main(*sys.argv)
+
+# vim:expandtab foldmethod=marker sw=4 ts=4 tw=120