diff --git a/install.rdf b/install.rdf
index ec7be6d..ea123b8 100644
--- a/install.rdf
+++ b/install.rdf
@@ -232,6 +232,16 @@
 			</Description>
 		</em:localized>
 
+		<em:localized>
+			<Description>
+				<em:locale>sv-SE</em:locale>
+				<em:name>Privat flik</em:name>
+				<em:description>Lägger till privata flikar.</em:description>
+				<em:creator>Infocatcher</em:creator>
+                <em:translator>John Ankarström</em:translator>
+			</Description>
+		</em:localized>
+
 		<em:localized>
 			<Description>
 				<em:locale>tr</em:locale>
@@ -284,4 +294,4 @@
 		</em:localized>
 
 	</Description>
-</RDF>
\ No newline at end of file
+</RDF>
diff --git a/locale/sv-SE/pt.properties b/locale/sv-SE/pt.properties
new file mode 100644
index 0000000..31ad1ee
--- /dev/null
+++ b/locale/sv-SE/pt.properties
@@ -0,0 +1,46 @@
+openInNewPrivateTab=Öppnen länk i ny privat flik
+openInNewPrivateTabAccesskey=v
+
+openPlacesInNewPrivateTab=Öppna in en ny privat flik
+openPlacesInNewPrivateTabAccesskey=v
+
+openPlacesInPrivateTabs=Öppna alla in privata flikar
+openPlacesInPrivateTabsAccesskey=v
+
+privateTab=Privat flik
+privateTabTip=(privat flik)
+privateTabAccesskey=v
+
+openNewPrivateTab=Ny privat flik
+openNewPrivateTabTip=Öppna en ny privat flik
+openNewPrivateTabAccesskey=v
+# For SeaMonkey, item in "File - New" menu
+# And for Firefox 29+ (Australis), if following is set to "true" (instead of "false")
+openNewPrivateTabShortInAustralis=false
+openNewPrivateTabShort=Privat flik
+openNewPrivateTabShortAccesskey=v
+# Template for toolbar button's tooltip in Firefox 29+ (Australis)
+buttonTipTemplate=%tip% (%key%)
+
+# Like taskbar.tasks.newPrivateWindow.* from chrome://browser/locale/taskbar.properties
+taskBarOpenNewPrivateTab=Ny privat flik
+taskBarOpenNewPrivateTabDesc=Öppna en ny flik i privat läge.
+# For SeaMonkey, like taskbar.tasks.newPrivate.* from chrome://navigator/locale/taskbar.properties
+taskBarOpenNewPrivateTabSM=Öppna privat flik
+taskBarOpenNewPrivateTabDescSM=Öppna en ny privat flik.
+
+# For SeaMonkey 2.18 and older, you can just copy Firefox translation:
+# mainWindow.titlePrivateBrowsingSuffix from view-source:chrome://browser/locale/browser.dtd
+privateBrowsingTitleModifier=\ (privat surfning)
+
+# Confirmation dialog in case of extension disabling or uninstalling
+# For only one tab:
+dialogTitleSingle=Privat flik
+dialogQuestionSingle=Vad ska ske med den privata flik som ännu är öppen?
+dialogCloseSingle=&Stäng den
+dialogRestoreSingle=&Omvandla den till en normal flik
+# For more than one tab:
+dialogTitle=Privata flikar
+dialogQuestion=Vad ska ske med de %S privata flikar som ännu är öppna?
+dialogClose=&Stäng dem
+dialogRestore=&Omvandla dem till normala flikar