diff --git a/scripts/convert/index.html b/scripts/convert/index.html
index f81cce48b..b76d16a4f 100644
--- a/scripts/convert/index.html
+++ b/scripts/convert/index.html
@@ -1,142 +1,9 @@
 <!DOCTYPE html>
 <html>
-    <head>
-        <meta charset="utf-8">
-        <style>
-            input[type=text], select {
-            width: 100%;
-            padding: 12px 20px;
-            margin: 8px 0;
-            display: inline-block;
-            border: 1px solid #ccc;
-            border-radius: 4px;
-            box-sizing: border-box;
-            }
-
-            textarea, select {
-            width: 100%;
-            padding: 12px 20px;
-            margin: 8px 0;
-            display: inline-block;
-            border: 1px solid #ccc;
-            border-radius: 4px;
-            box-sizing: border-box;
-            }
-
-            input[type=button] {
-            width: 100%;
-            background-color: #4CAF50;
-            color: white;
-            padding: 14px 20px;
-            margin: 8px 0;
-            border: none;
-            border-radius: 4px;
-            cursor: pointer;
-            }
-
-            input[type=submit]:hover {
-            background-color: #45a049;
-            }
-
-            table{
-            width: 100%;
-            }
-
-            td{
-            border-bottom: 1px solid #ccc;
-            }
-        </style>
-
-        <script type="module">
-        import { fromLatLon, toLatLon } from "./utm_converter.js";
-
-        import { heightFromUTM } from "./height_from_utm.js";
-        
-        function findDigitGroupings(str) {
-            const digitGroupings = str.match(/[\d.]+/g);
-            return digitGroupings || [];
-        }
-
-        function toDMSString(decimalDegrees) {
-            const degrees = Math.floor(decimalDegrees);
-            const decimalMinutes = (decimalDegrees - degrees) * 60;
-            const minutes = Math.floor(decimalMinutes);
-            const seconds = (decimalMinutes - minutes) * 60;
-
-            return `${degrees}° ${minutes}' ${seconds.toFixed(2)}"`;
-        }
-        
-        function fromUnknown(str)
-        {
-            var lines = str.split('\n');
-            let latlongs = lines.map(line => {
-                let digits = findDigitGroupings(line).map(x => parseFloat(x));
-                if(digits.length == 2)
-                {
-                    return digits
-                }
-                if(digits.length == 4)
-                {
-                    return [
-                        digits[0] + (1.0/60)*digits[1],
-                        digits[2] + (1.0/60)*digits[3]
-                    ]
-                }
-                if(digits.length == 6)
-                {                    
-                    return [
-                        digits[0] + (1.0/60)*digits[1] + (1.0/3600)*digits[2],
-                        digits[3] + (1.0/60)*digits[4] + (1.0/3600)*digits[5]
-                    ]
-                }
-                if(digits.length == 3)
-                {
-                    let zone = line.match(/\d\d[A-Z]/g)[0];                    
-                    let res = fromUTM(digits[1],digits[2],digits[0],zone[2])
-                    return [res['latitude'],res['longitude']]
-                }
-            });            
-
-            
-            var table_cells = latlongs.map(x => {
-                let utm = fromLatLon(x[0],x[1]);
-                let utmString = `${utm.zoneNum}${utm.zoneLetter} ${utm.easting.toFixed(2)} ${utm.northing.toFixed(2)}`
-                let latlonString = `${x[0].toFixed(6)} N ${x[1].toFixed(6)} E`
-                let dmsString = `${toDMSString(x[0])} N ${toDMSString(x[1])} E`
-                return [utmString,latlonString, dmsString, heightFromUTM(utm.easting,utm.northing)]
-            })
-            
-            table_cells = [['utm','lat/lon','lat/lon','height']].concat(table_cells)
-
-            let resultsbox = document.getElementById("results");          
-            resultsbox.replaceChildren();
-            
-            const table = document.createElement("table");
-            for(var i=0;i < table_cells.length; i++)
-            {
-                const row = document.createElement("tr");
-                for(var j=0;j < table_cells[i].length; j++)
-                {
-                    const cell = document.createElement("td");
-                    const cellText = document.createTextNode(table_cells[i][j]);
-                    cell.appendChild(cellText);
-                    row.appendChild(cell);
-                }
-                table.appendChild(row);
-            }
-            resultsbox.appendChild(table);
-        }
-
-        document.addEventListener('DOMContentLoaded', () => {
-            window.fromLatLon = fromLatLon
-            window.fromUTM = toLatLon
-            window.fromUnknown = fromUnknown
-            window.heightFromUTM = heightFromUTM
-        });
-        
-    </script>
-    </head>
+    <head><title>Grid conversion tool</title></head>
     <body>
+<h1>Conversion tool</h1>
+<h2> UTM, WGS84 etc.</h2>
 
         <form action>
             <label for="input">Enter coordinates: <span class="delicate">(one
@@ -151,6 +18,4 @@
 
         </form>
 
-        <div id="results"></div>
-
-    </body>
+        <div id="results"></div></body>
