diff --git a/lang/gpxsee_fi.ts b/lang/gpxsee_fi.ts
index ac5207bf..8e18d271 100644
--- a/lang/gpxsee_fi.ts
+++ b/lang/gpxsee_fi.ts
@@ -1569,7 +1569,7 @@
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="555"/>
         <source>Use HTTP authentication</source>
-        <translation type="unfinished"></translation>
+        <translation>Käytä HTTP-todennusta</translation>
     </message>
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="561"/>
diff --git a/lang/gpxsee_fr.ts b/lang/gpxsee_fr.ts
index cf90ff86..e4de808b 100644
--- a/lang/gpxsee_fr.ts
+++ b/lang/gpxsee_fr.ts
@@ -6,12 +6,12 @@
     <message>
         <location filename="../src/GUI/authenticationwidget.cpp" line="10"/>
         <source>Username:</source>
-        <translation type="unfinished"></translation>
+        <translation>Identifiant :</translation>
     </message>
     <message>
         <location filename="../src/GUI/authenticationwidget.cpp" line="11"/>
         <source>Password:</source>
-        <translation type="unfinished"></translation>
+        <translation>Mot de passe :</translation>
     </message>
 </context>
 <context>
@@ -152,7 +152,7 @@
     <message>
         <location filename="../src/data/data.cpp" line="152"/>
         <source>ONmove files</source>
-        <translation type="unfinished"></translation>
+        <translation>Données ONmove</translation>
     </message>
     <message>
         <location filename="../src/data/data.cpp" line="158"/>
@@ -490,12 +490,12 @@
     <message>
         <location filename="../src/GUI/gui.cpp" line="382"/>
         <source>Download DEM data</source>
-        <translation type="unfinished"></translation>
+        <translation>Télécharger les données de terrain (MNT)</translation>
     </message>
     <message>
         <location filename="../src/GUI/gui.cpp" line="387"/>
         <source>Show local DEM tiles</source>
-        <translation type="unfinished"></translation>
+        <translation>Afficher les tuiles MNT locales</translation>
     </message>
     <message>
         <location filename="../src/GUI/gui.cpp" line="392"/>
@@ -597,7 +597,7 @@
     <message>
         <location filename="../src/GUI/gui.cpp" line="600"/>
         <source>DEM</source>
-        <translation type="unfinished"></translation>
+        <translation>MNT</translation>
     </message>
     <message>
         <location filename="../src/GUI/gui.cpp" line="608"/>
@@ -727,7 +727,7 @@
     <message>
         <location filename="../src/GUI/gui.cpp" line="1708"/>
         <source>Clear &quot;%1&quot; tile cache?</source>
-        <translation type="unfinished"></translation>
+        <translation>Vider le cache de tuiles &quot;%1&quot; ?</translation>
     </message>
     <message>
         <source>Clear the map tile cache?</source>
@@ -736,12 +736,12 @@
     <message>
         <location filename="../src/GUI/gui.cpp" line="1726"/>
         <source>Could not download all required DEM files.</source>
-        <translation type="unfinished"></translation>
+        <translation>Le téléchargement de tout les fichiers MNT a échoué.</translation>
     </message>
     <message>
         <location filename="../src/GUI/gui.cpp" line="1741"/>
         <source>No local DEM tiles found.</source>
-        <translation type="unfinished"></translation>
+        <translation>Aucune tuile MNT trouvée en local.</translation>
     </message>
     <message>
         <location filename="../src/GUI/gui.cpp" line="1755"/>
@@ -1569,23 +1569,23 @@
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="555"/>
         <source>Use HTTP authentication</source>
-        <translation type="unfinished"></translation>
+        <translation>Faire une identification HTTP</translation>
     </message>
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="561"/>
         <source>Use $lat and $lon for NYY/SYY and EXXX/WXXX in the URL.</source>
-        <translation type="unfinished"></translation>
+        <translation>Mettre dans l&apos;URL $lat et $lon pour NYY/SYY et EXXX/WXXX.</translation>
     </message>
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="566"/>
         <location filename="../src/GUI/optionsdialog.cpp" line="579"/>
         <source>URL:</source>
-        <translation type="unfinished"></translation>
+        <translation>URL :</translation>
     </message>
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="591"/>
         <source>Source</source>
-        <translation type="unfinished"></translation>
+        <translation>Source</translation>
     </message>
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="598"/>
@@ -1729,7 +1729,7 @@
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="754"/>
         <source>DEM</source>
-        <translation type="unfinished"></translation>
+        <translation>MNT</translation>
     </message>
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="755"/>
diff --git a/lang/gpxsee_hu.ts b/lang/gpxsee_hu.ts
index 01dafe53..c04ac2c4 100644
--- a/lang/gpxsee_hu.ts
+++ b/lang/gpxsee_hu.ts
@@ -618,7 +618,7 @@
     <message>
         <location filename="../src/GUI/gui.cpp" line="1708"/>
         <source>Clear &quot;%1&quot; tile cache?</source>
-        <translation type="unfinished"></translation>
+        <translation>&quot;%1&quot; csempe gyorsítótár törlése?</translation>
     </message>
     <message>
         <location filename="../src/GUI/gui.cpp" line="574"/>
@@ -889,7 +889,7 @@
     <message>
         <location filename="../src/GUI/gui.cpp" line="1741"/>
         <source>No local DEM tiles found.</source>
-        <translation type="unfinished"></translation>
+        <translation>Nem található helyi DEM csempe.</translation>
     </message>
     <message>
         <location filename="../src/GUI/gui.cpp" line="1755"/>
diff --git a/lang/gpxsee_sv.ts b/lang/gpxsee_sv.ts
index 6d88d0ef..09c3e432 100644
--- a/lang/gpxsee_sv.ts
+++ b/lang/gpxsee_sv.ts
@@ -727,7 +727,7 @@
     <message>
         <location filename="../src/GUI/gui.cpp" line="1708"/>
         <source>Clear &quot;%1&quot; tile cache?</source>
-        <translation type="unfinished"></translation>
+        <translation>Vill du rensa kartcachen &quot;%1&quot;?</translation>
     </message>
     <message>
         <source>Clear the map tile cache?</source>
@@ -741,7 +741,7 @@
     <message>
         <location filename="../src/GUI/gui.cpp" line="1741"/>
         <source>No local DEM tiles found.</source>
-        <translation type="unfinished"></translation>
+        <translation>Inga lokala DEM -rutor hittades.</translation>
     </message>
     <message>
         <location filename="../src/GUI/gui.cpp" line="1755"/>
diff --git a/lang/gpxsee_tr.ts b/lang/gpxsee_tr.ts
index a9032894..4286a78f 100644
--- a/lang/gpxsee_tr.ts
+++ b/lang/gpxsee_tr.ts
@@ -618,7 +618,7 @@
     <message>
         <location filename="../src/GUI/gui.cpp" line="1708"/>
         <source>Clear &quot;%1&quot; tile cache?</source>
-        <translation type="unfinished"></translation>
+        <translation>&quot;%1&quot; döşeme önbelleği temizlensin mi?</translation>
     </message>
     <message>
         <location filename="../src/GUI/gui.cpp" line="574"/>
@@ -889,7 +889,7 @@
     <message>
         <location filename="../src/GUI/gui.cpp" line="1741"/>
         <source>No local DEM tiles found.</source>
-        <translation type="unfinished"></translation>
+        <translation>Yerel DEM döşemesi bulunamadı.</translation>
     </message>
     <message>
         <location filename="../src/GUI/gui.cpp" line="1755"/>
diff --git a/lang/gpxsee_zh.ts b/lang/gpxsee_zh.ts
index 2b42204b..977da0f1 100644
--- a/lang/gpxsee_zh.ts
+++ b/lang/gpxsee_zh.ts
@@ -426,17 +426,17 @@
     <message>
         <location filename="../src/GUI/gui.cpp" line="328"/>
         <source>Show tracks</source>
-        <translation>显示轨迹</translation>
+        <translation>显示航迹</translation>
     </message>
     <message>
         <location filename="../src/GUI/gui.cpp" line="333"/>
         <source>Show routes</source>
-        <translation>显示路线</translation>
+        <translation>显示航线</translation>
     </message>
     <message>
         <location filename="../src/GUI/gui.cpp" line="337"/>
         <source>Show waypoints</source>
-        <translation>显示路线点</translation>
+        <translation>显示航点</translation>
     </message>
     <message>
         <location filename="../src/GUI/gui.cpp" line="342"/>
@@ -446,12 +446,12 @@
     <message>
         <location filename="../src/GUI/gui.cpp" line="346"/>
         <source>Waypoint labels</source>
-        <translation>路线点标签</translation>
+        <translation>航点标签</translation>
     </message>
     <message>
         <location filename="../src/GUI/gui.cpp" line="351"/>
         <source>Route waypoints</source>
-        <translation>路线路线点</translation>
+        <translation>航线航点</translation>
     </message>
     <message>
         <location filename="../src/GUI/gui.cpp" line="356"/>
@@ -553,7 +553,7 @@
     <message>
         <location filename="../src/GUI/gui.cpp" line="463"/>
         <source>Decimal degrees (DD)</source>
-        <translation>十进制 (DD)</translation>
+        <translation>小数度数 (DD)</translation>
     </message>
     <message>
         <location filename="../src/GUI/gui.cpp" line="469"/>
@@ -815,19 +815,19 @@
         <location filename="../src/GUI/gui.cpp" line="1157"/>
         <location filename="../src/GUI/gui.cpp" line="1229"/>
         <source>Tracks</source>
-        <translation>轨迹</translation>
+        <translation>航迹</translation>
     </message>
     <message>
         <location filename="../src/GUI/gui.cpp" line="1160"/>
         <location filename="../src/GUI/gui.cpp" line="1231"/>
         <source>Routes</source>
-        <translation>路线</translation>
+        <translation>航线</translation>
     </message>
     <message>
         <location filename="../src/GUI/gui.cpp" line="1163"/>
         <location filename="../src/GUI/gui.cpp" line="1233"/>
         <source>Waypoints</source>
-        <translation>路线点</translation>
+        <translation>航点</translation>
     </message>
     <message>
         <location filename="../src/GUI/gui.cpp" line="1166"/>
@@ -875,7 +875,7 @@
     <message>
         <location filename="../src/GUI/gui.cpp" line="1708"/>
         <source>Clear &quot;%1&quot; tile cache?</source>
-        <translation type="unfinished"></translation>
+        <translation>清除&quot;%1 &quot;瓦片缓存？</translation>
     </message>
     <message>
         <source>Clear the map tile cache?</source>
@@ -889,7 +889,7 @@
     <message>
         <location filename="../src/GUI/gui.cpp" line="1741"/>
         <source>No local DEM tiles found.</source>
-        <translation type="unfinished"></translation>
+        <translation>未找到本地 DEM 瓦片。</translation>
     </message>
     <message>
         <location filename="../src/GUI/gui.cpp" line="1755"/>
@@ -993,7 +993,7 @@
     <message>
         <location filename="../src/GUI/graphview.cpp" line="137"/>
         <source>min</source>
-        <translation>分</translation>
+        <translation>分钟</translation>
     </message>
     <message>
         <location filename="../src/GUI/graphview.cpp" line="140"/>
@@ -1206,27 +1206,27 @@
         <location filename="../src/GUI/optionsdialog.cpp" line="147"/>
         <location filename="../src/GUI/optionsdialog.cpp" line="248"/>
         <source>Use anti-aliasing</source>
-        <translation>使用抗锯齿</translation>
+        <translation>启用抗锯齿</translation>
     </message>
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="153"/>
         <source>Track width:</source>
-        <translation>轨迹宽度：</translation>
+        <translation>航迹宽度：</translation>
     </message>
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="154"/>
         <source>Track style:</source>
-        <translation>轨迹样式：</translation>
+        <translation>航迹样式：</translation>
     </message>
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="156"/>
         <source>Route width:</source>
-        <translation>路线宽度：</translation>
+        <translation>航线宽度：</translation>
     </message>
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="157"/>
         <source>Route style:</source>
-        <translation>路线样式：</translation>
+        <translation>航线样式：</translation>
     </message>
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="159"/>
@@ -1272,12 +1272,12 @@
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="172"/>
         <source>Tracks</source>
-        <translation>轨迹</translation>
+        <translation>航迹</translation>
     </message>
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="177"/>
         <source>Routes</source>
-        <translation>路线</translation>
+        <translation>航线</translation>
     </message>
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="182"/>
@@ -1292,12 +1292,12 @@
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="217"/>
         <source>Waypoint color:</source>
-        <translation>路线点颜色：</translation>
+        <translation>航点颜色：</translation>
     </message>
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="218"/>
         <source>Waypoint size:</source>
-        <translation>路线点大小：</translation>
+        <translation>航点大小：</translation>
     </message>
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="220"/>
@@ -1324,7 +1324,7 @@
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="227"/>
         <source>Waypoints</source>
-        <translation>路线点</translation>
+        <translation>航点</translation>
     </message>
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="232"/>
@@ -1499,7 +1499,7 @@
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="421"/>
         <source>Use segments</source>
-        <translation>使用分段</translation>
+        <translation>启用分段</translation>
     </message>
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="452"/>
@@ -1575,7 +1575,7 @@
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="555"/>
         <source>Use HTTP authentication</source>
-        <translation>使用 HTTP 身份验证</translation>
+        <translation>启用 HTTP 验证</translation>
     </message>
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="561"/>
@@ -1611,7 +1611,7 @@
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="606"/>
         <source>The zoom level will be changed so that the whole content (tracks/waypoints) fits to the printed area and the map resolution is as close as possible to the print resolution.</source>
-        <translation>缩放级别将被改变以使整个内容（轨迹/路线点）适应打印区域，并且地图分辨率尽可能接近打印分辨率。</translation>
+        <translation>缩放级别将被改变以使整个内容（航迹/航点）适应打印区域，并且地图分辨率尽可能接近打印分辨率。</translation>
     </message>
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="622"/>
@@ -1661,7 +1661,7 @@
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="666"/>
         <source>Use OpenGL</source>
-        <translation>使用 OpenGL</translation>
+        <translation>启用 OpenGL</translation>
     </message>
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="668"/>
@@ -1688,7 +1688,7 @@
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="713"/>
         <source>Select the initial paths of the file open dialogues. Leave the field empty for the system default.</source>
-        <translation>为文件打开对话框的设置初始路径。留空则为系统默认。</translation>
+        <translation>为文件打开对话框设置初始路径。留空则为系统默认。</translation>
     </message>
     <message>
         <location filename="../src/GUI/optionsdialog.cpp" line="717"/>
@@ -1846,7 +1846,7 @@
     <message>
         <location filename="../src/GUI/pngexportdialog.cpp" line="38"/>
         <source>Use anti-aliasing</source>
-        <translation>抗锯齿</translation>
+        <translation>启用抗锯齿</translation>
     </message>
     <message>
         <location filename="../src/GUI/pngexportdialog.cpp" line="42"/>