diff --git a/chrome/content/zotero/xpcom/connector/translator.js b/chrome/content/zotero/xpcom/connector/translator.js
index 62adbf447..16615dad7 100644
--- a/chrome/content/zotero/xpcom/connector/translator.js
+++ b/chrome/content/zotero/xpcom/connector/translator.js
@@ -367,7 +367,7 @@ Zotero.Translators.CodeGetter.prototype.getCodeFor = function(i) {
 const TRANSLATOR_REQUIRED_PROPERTIES = ["translatorID", "translatorType", "label", "creator", "target",
 		"priority", "lastUpdated"];
 var TRANSLATOR_PASSING_PROPERTIES = TRANSLATOR_REQUIRED_PROPERTIES.concat(["displayOptions", "configOptions",
-		"browserSupport", "code", "runMode"]);
+		"hiddenPrefs", "browserSupport", "code", "runMode"]);
 var TRANSLATOR_SAVE_PROPERTIES = TRANSLATOR_REQUIRED_PROPERTIES.concat(["browserSupport"]);
 /**
  * @class Represents an individual translator
@@ -385,8 +385,11 @@ var TRANSLATOR_SAVE_PROPERTIES = TRANSLATOR_REQUIRED_PROPERTIES.concat(["browser
  *     c = Google Chrome (WebKit & V8)
  *     s = Safari (WebKit & Nitro/Squirrelfish Extreme)
  *     i = Internet Explorer
+ *     b = Bookmarklet
+ *     v = Server (requires server translation when using a bookmarklet)
  * @property {Object} configOptions Configuration options for import/export
  * @property {Object} displayOptions Display options for export
+ * @property {Object} hiddenPrefs Hidden preferences configurable through about:config
  * @property {Boolean} inRepository Whether the translator may be found in the repository
  * @property {String} lastUpdated SQL-style date and time of translator's last update
  * @property {String} code The executable JavaScript for the translator
@@ -421,6 +424,7 @@ Zotero.Translator.prototype.init = function(info) {
 	
 	this._configOptions = info["configOptions"] ? info["configOptions"] : {};
 	this._displayOptions = info["displayOptions"] ? info["displayOptions"] : {};
+	this._hiddenPrefs = info["hiddenPrefs"] ? info["hiddenPrefs"] : {};
 	
 	if(this.translatorType & TRANSLATOR_TYPES["import"]) {
 		// compile import regexp to match only file extension
@@ -468,6 +472,9 @@ Zotero.Translator.prototype.__defineGetter__("displayOptions", function() {
 Zotero.Translator.prototype.__defineGetter__("configOptions", function() {
 	return Zotero.Utilities.deepCopy(this._configOptions);
 });
+Zotero.Translator.prototype.__defineGetter__("hiddenPrefs", function() {
+	return Zotero.Utilities.deepCopy(this._hiddenPrefs);
+});
 
 /**
  * Log a translator-related error
diff --git a/chrome/content/zotero/xpcom/schema.js b/chrome/content/zotero/xpcom/schema.js
index 86fb3b688..61588470f 100644
--- a/chrome/content/zotero/xpcom/schema.js
+++ b/chrome/content/zotero/xpcom/schema.js
@@ -1677,7 +1677,7 @@ Zotero.Schema = new function(){
 			metadata.browserSupport = browserSupport;
 		}
 		
-		for each(var attr in ["configOptions", "displayOptions"]) {
+		for each(var attr in ["configOptions", "displayOptions", "hiddenPrefs"]) {
 			try {
 				var tags = xmlnode.getElementsByTagName(attr);
 				if(tags.length && tags[0].firstChild) {
diff --git a/chrome/content/zotero/xpcom/server_connector.js b/chrome/content/zotero/xpcom/server_connector.js
index 193812965..cc77d31b7 100755
--- a/chrome/content/zotero/xpcom/server_connector.js
+++ b/chrome/content/zotero/xpcom/server_connector.js
@@ -66,7 +66,7 @@ Zotero.Server.Connector.GetTranslators.prototype = {
 		for each(var translator in translators) {
 			let serializableTranslator = {};
 			for each(var key in ["translatorID", "translatorType", "label", "creator", "target",
-					"minVersion", "maxVersion", "configOptions", "displayOptions", "priority", 
+					"minVersion", "maxVersion", "configOptions", "displayOptions", "hiddenPrefs", "priority", 
 					"browserSupport", "inRepository", "lastUpdated"]) {
 				serializableTranslator[key] = translator[key];
 			}
diff --git a/chrome/content/zotero/xpcom/translation/translate.js b/chrome/content/zotero/xpcom/translation/translate.js
index 4f96bb485..f26e3a1eb 100644
--- a/chrome/content/zotero/xpcom/translation/translate.js
+++ b/chrome/content/zotero/xpcom/translation/translate.js
@@ -170,6 +170,27 @@ Zotero.Translate.Sandbox = {
 			return translate._displayOptions[option];
 		},
 		
+		/**
+		 * Gets a hidden preference that can be defined by hiddenPrefs in translator header
+		 *
+		 * @param {Zotero.Translate} translate
+		 * @param {String} pref Prefernce to be retrieved
+		 */
+		"getHiddenPref":function(translate, pref) {
+			if(typeof(pref) != "string") {
+				throw(new Error("getPref: preference must be a string"));
+			}
+
+			var hp = translate._hiddenPrefs || {};	//_hiddenPrefs should already be {} if undefined
+
+			var value;
+			try {
+				value = Zotero.Prefs.get('translators.' + pref);
+			} catch(e) {}
+
+			return (value !== undefined ? value : hp[pref]);
+		},
+		
 		/**
 		 * For loading other translators and accessing their methods
 		 * 
@@ -1331,6 +1352,7 @@ Zotero.Translate.Base.prototype = {
 		this._runningAsyncProcesses = 0;
 		this._returnValue = undefined;
 		this._aborted = false;
+		this._hiddenPrefs = translator.hiddenPrefs;
 		this.saveQueue = [];
 		
 		Zotero.debug("Translate: Parsing code for "+translator.label, 4);
diff --git a/chrome/content/zotero/xpcom/translation/translator.js b/chrome/content/zotero/xpcom/translation/translator.js
index 5a4b7b43b..cd7dc8f32 100644
--- a/chrome/content/zotero/xpcom/translation/translator.js
+++ b/chrome/content/zotero/xpcom/translation/translator.js
@@ -425,8 +425,11 @@ Zotero.Translators = new function() {
  *     c = Google Chrome (WebKit & V8)
  *     s = Safari (WebKit & Nitro/Squirrelfish Extreme)
  *     i = Internet Explorer
+ *     b = Bookmarklet
+ *     v = Server (requires server translation when using a bookmarklet)
  * @property {Object} configOptions Configuration options for import/export
  * @property {Object} displayOptions Display options for export
+ * @property {Object} hiddenPrefs Hidden preferences configurable through about:config
  * @property {Boolean} inRepository Whether the translator may be found in the repository
  * @property {String} lastUpdated SQL-style date and time of translator's last update
  * @property {String} code The executable JavaScript for the translator
@@ -490,6 +493,8 @@ Zotero.Translator = function(file, json, code) {
 	
 	this._configOptions = info["configOptions"] ? info["configOptions"] : {};
 	this._displayOptions = info["displayOptions"] ? info["displayOptions"] : {};
+	this._hiddenPrefs = info["hiddenPrefs"] ? info["hiddenPrefs"] : {};
+	
 	this.browserSupport = info["browserSupport"] ? info["browserSupport"] : "g";
 	this.runMode = Zotero.Translator.RUN_MODE_IN_BROWSER;
 	
@@ -543,6 +548,9 @@ Zotero.Translator.prototype.__defineGetter__("displayOptions", function() {
 Zotero.Translator.prototype.__defineGetter__("configOptions", function() {
 	return Zotero.Utilities.deepCopy(this._configOptions);
 });
+Zotero.Translator.prototype.__defineGetter__("hiddenPrefs", function() {
+	return Zotero.Utilities.deepCopy(this._hiddenPrefs);
+});
 
 /**
  * Log a translator-related error