diff --git a/scripts/unused-translations.js b/scripts/unused-translations.js
new file mode 100644
index 000000000..8cb2fbc75
--- /dev/null
+++ b/scripts/unused-translations.js
@@ -0,0 +1,138 @@
+var Messages = require("../www/common/translations/messages.json");
+var Exec = require("child_process").exec;
+
+var ignoreLines = function (source, pattern) {
+    if (!pattern.test(source)) { return source; }
+    return source.split('\n')
+        .map(function (line) {
+            if (pattern.test(line)) { return ''; }
+            return line;
+        })
+        .filter(Boolean)
+        .join("\n");
+};
+
+var GENERATED_PATTERNS = [
+   /(admin|settings)_.*(Hint|Title|Button)/,
+   /settings_colortheme/,
+   /loading_(state|drive|pad)_/,
+   /(admin|notifications|support|team|settings)_cat_/,
+   /features_f/,
+];
+var isPossiblyGenerated = function (key) {
+    return GENERATED_PATTERNS.some(function (patt) {
+        return patt.test(key);
+    });
+};
+
+var grep = function (pattern, cb) {
+    var exclude = [
+        'www/common/translations/*',
+        'www/common/onlyoffice/*',
+        'www/lib/*',
+        'www/common/pdfjs/*',
+        '*.css',
+        'www/common/highlight/*',
+        '*.min.js',
+        '.lesshintrc',
+        'CHANGELOG.md',
+        'LICENSE',
+        'package*.json',
+        'www/debug/chainpad.dist.js',
+        'www/pad/mathjax/*',
+        'www/common/hyperscript.js',
+        'www/common/jscolor.js',
+        './/scripts/*',
+        './lib/*',
+        './docs/*',
+        './github/*',
+        '*.svg',
+        '*.md',
+        './config/*',
+    ].map(function (patt) {
+        return "':(exclude)" + patt + "'";
+    }).join(' ');
+
+    // grep this repository, ignoring binary files and excluding anything matching the above patterns
+    var ignoreBinaries= '--binary-files=without-match ';
+    var command = 'git grep ' + pattern + " -- ':/' " + exclude;
+
+    Exec(command, function (err, stdout, stderr) {
+        if (err && err.code === 1 && err.killed === false) {
+            if (isPossiblyGenerated(pattern)) {
+                return cb(void 0, true, 'POSSIBLY_GENERATED');
+            }
+            return cb(void 0, true, "NOT_FOUND", stdout);
+        }
+        stdout = ignoreLines(stdout, /Binary file/);
+
+        if (err) {
+            if (err.code === 'ERR_CHILD_PROCESS_STDIO_MAXBUFFER') {
+                return cb(void 0, true, 'TOO_MUCH', stdout);
+            }
+            return void cb(err);
+        }
+        if (/data\-localization/.test(stdout)) {
+            return cb(void 0, true, "DATA_LOCALIZATION", stdout);
+        }
+        if (/(Messages|Msg|messages)\./.test(stdout)) {
+            return cb(void 0, false);
+        }
+
+        //console.log(pattern, arguments);
+        cb(void 0, true, 'OTHER', stdout);
+    });
+};
+
+var keys = Object.keys(Messages).sort();
+var total = keys.length;
+
+var limit = total;
+
+var lineCount = function (s) {
+    var i = 0;
+    s.replace(/\n/g, function () { i++; return ''; });
+    return i;
+};
+
+var conditionallyPrintContent = function (output) {
+    if (!output) { return; }
+    if (lineCount(output) < 12) {
+        output.split('\n').map(function (line) {
+            if (!line) { return; }
+            console.log('\t> ' + line);
+        });
+        //console.log(output);
+        console.log();
+    } else {
+        console.log("\t> too much content to print");
+    }
+};
+
+var next = function () {
+    var key = keys[0];
+    if (!key) { return; }
+    keys.shift();
+
+    if (!limit--) { return void console.log("[DONE]"); }
+
+    grep(key, function (err, flagged, reason, output) {
+        if (err) {
+            return;
+            console.error("[%s]", key, err);
+            console.log();
+        } else if (!flagged) {
+
+        } else if (reason === 'OTHER') {
+            console.log('[%s] flagged for [OTHER]', key);
+            conditionallyPrintContent(output);
+        } else {
+            console.log("[%s] flagged for [%s]", key, reason || '???');
+            conditionallyPrintContent(output);
+        }
+
+        next();
+    });
+};
+
+next();