diff --git a/source/tools/replayprofile/extract.pl b/source/tools/replayprofile/extract.pl
index dff021a5c1..ea713e1ae5 100644
--- a/source/tools/replayprofile/extract.pl
+++ b/source/tools/replayprofile/extract.pl
@@ -3,13 +3,21 @@
 use strict;
 use warnings;
 
+use Getopt::Long;
+use File::Basename qw(dirname);
+chdir(dirname(__FILE__));
+
 # Run the game normally to generate a replay.
 # Run the non-visual replay like:
 #  ./pyrogenesis -mod=public -replay=$HOME/.local/share/0ad/replays/0.0.23/2018-03-23_0010/commands.txt
 # to generate profile.txt.
 # Then run:
-#  perl extract.pl > data.json
-# then open graph.html.
+#  perl extract.pl
+#    OR
+#  perl extract.pl --to-json > data.json ...  [manipulation with data.json] ...  perl extract.pl --from-json
+# then open graph_onepage.html.
+
+my ($to_json, $from_json); GetOptions ("to-json" => \$to_json, "from-json" => \$from_json);
 
 open my $f, '../../../binaries/system/profile.txt' or die $!;
 my $turn = 0;
@@ -33,15 +41,55 @@ while (<$f>) {
     }
 }
 
-print "[\n";
+my $json = "[\n";
 my $n = 0;
 for my $k (sort keys %s) {
-    print ",\n" if $n++;
-    print "{label: '$k', data:[";
+    $json .= ",\n" if $n++;
+    $json .= "{label: '$k', data:[";
     for my $t (0..$#{$s{$k}}) {
-        print "," if $t;
-        print "[$t,".($s{$k}[$t] || 0)."]";
+        $json .= "," if $t;
+        $json .= "[$t,".($s{$k}[$t] || 0)."]";
     }
-    print "]}";
+    $json .= "]}";
 }
-print "\n]\n";
+$json .= "\n]\n";
+
+my $onepage = "graph_onepage.html";
+
+sub recursive_file_slurp {
+	my $filename = shift;
+	my $output = '';
+	open my $fd, $filename or die "Open $filename : $!";
+	$output .= "<script>\n" if $filename =~ /\.js$/;
+	while(<$fd>){
+		if(/-- include js --/) {
+			$output .= recursive_file_slurp("jquery.js");
+			$output .= recursive_file_slurp("jquery.flot.js");
+			$output .= recursive_file_slurp("jquery.flot.navigate.js");
+		}
+		elsif(/-- include graph js --/) {
+			$output .= recursive_file_slurp("graph.js");
+		}
+		elsif(/-- include data json --/) {
+			$output .= $json;
+		}
+		else {
+			$output .= $_;
+		}
+	}
+	$output .= "</script>\n" if $filename =~ /\.js$/;
+	close($fd);
+	return $output;
+}
+
+if($to_json) {
+	print $json;
+	exit;
+}
+elsif($from_json) {
+	$json = recursive_file_slurp("data.json");
+}
+
+open my $opfd, '>', $onepage or die $!;
+print $opfd recursive_file_slurp("graph.html");
+close($opfd);
diff --git a/source/tools/replayprofile/graph.html b/source/tools/replayprofile/graph.html
index 94fa9cba12..a99f64bfe3 100644
--- a/source/tools/replayprofile/graph.html
+++ b/source/tools/replayprofile/graph.html
@@ -3,16 +3,11 @@
 	<head>
 		<meta charset="UTF-8"/>
 		<title>0 A.D. Simulation Profiling</title>
-		<script src="jquery.js"></script>
-		<script src="jquery.flot.js"></script>
-		<script src="jquery.flot.navigate.js"></script>
-		<script src="graph.js"></script>
+		<!-- include js -->
+		<!-- include graph js -->
 	</head>
-	<body>
+	<body onload="showReplayData();">
 		<div>
-			<label>File:
-				<input type="text" id="filename" value="data.json" onKeyUp="loadReplayGraphData()"></input>
-			</label>
 			<label>Graph:
 				<select id="replayGraphSelection" size="1" onChange="showReplayData()">
 					<option value="time" selected="selected">Performance</option>
@@ -21,7 +16,6 @@
 				</select>
 			</label>
 		</div>
-		<div id="errorMsg">File does not exist!</div>
 		<div id="replayGraphContainer">
 			<div id="replayGraphLegend" style="width:300px;float:left"></div>
 			<div>
diff --git a/source/tools/replayprofile/graph.js b/source/tools/replayprofile/graph.js
index dfe1d9d1df..2e4327a64f 100644
--- a/source/tools/replayprofile/graph.js
+++ b/source/tools/replayprofile/graph.js
@@ -50,6 +50,7 @@ var graphFormat = {
 
 function showReplayData()
 {
+	loadReplayGraphData();
 	var displayedColumn = $("#replayGraphSelection").val();
 
 	$.plot($("#replayGraph"), getReplayGraphData(displayedColumn), {
@@ -137,20 +138,8 @@ function showTooltip(x, y, displayedColumn, label, turn, value)
 
 function loadReplayGraphData()
 {
-	$.ajax({
-		"dataType": "json",
-		"url": $("#filename").val(),
-		"success": function(data) {
-			$("#errorMsg").hide();
-			$("#replayGraphContainer").show();
-			replayData = data;
-			showReplayData();
-		},
-		"error": function() {
-			$("#replayGraphContainer").hide();
-			$("#errorMsg").show();
-		}
-	});
+replayData =
+<!-- include data json -->
 }
 
 $(loadReplayGraphData);