diff --git a/HACKING b/HACKING
index ca01ce77c4d63d302471e8708a7b458a5422169a..4c0d0aaca7499ddd4b16c786a132ac1ff85c93fc 100644
--- a/HACKING
+++ b/HACKING
@@ -1,7 +1,7 @@
 Bug tracking system
 ===================
 
-Thunar uses the Xfce bug tracking system at http://bugzilla.xfce.org/,
+Thunar uses the Xfce bug tracking system at https://bugzilla.xfce.org/,
 hosted and maintained by the Xfce project.
 
 
@@ -23,7 +23,7 @@ Feature requests
 ================
 
 Please file feature requests to the Xfce bug tracking system
-(http://buzilla.xfce.org, product Thunar) with a Severity of
+(https://buzilla.xfce.org, product Thunar) with a Severity of
 enhancement. Make sure that your feature request wasn't reported
 already before; requesting a feature several times won't increase
 the changed that it gets added!
diff --git a/README b/README
index 4ab6c1b47cde1b3c7847ece916ae6e56265a7625..be4ca73d40b8bd25c85c9be8064eb0824b616715 100644
--- a/README
+++ b/README
@@ -60,32 +60,32 @@ Standards compliance
 Thunar supports the following standards/specifications:
 
   * XDG Base Directory Specification
-    http://freedesktop.org/wiki/Standards_2fbasedir_2dspec
+    https://freedesktop.org/wiki/Specifications/basedir-spec
 
   * Shared MIME Database Specification
-    http://freedesktop.org/wiki/Standards_2fshared_2dmime_2dinfo_2dspec
+    https://freedesktop.org/wiki/Specifications/shared-mime-info-spec
 
   * X Direct Save (XDS) Protocol for the X Window System
-    http://freedesktop.org/wiki/Standards_2fdirect_2dsave
+    https://freedesktop.org/wiki/Specifications/direct-save
 
   * Icon Theme Specification
-    http://freedesktop.org/wiki/Standards_2ficon_2dtheme_2dspec
+    https://freedesktop.org/wiki/Specifications/icon-theme-spec
 
   * Thumbnail Managing Standard
-    http://jens.triq.net/thumbnail-spec/index.html
+    https://freedesktop.org/wiki/Specifications/thumbnails
 
   * File URI Specification
-    http://freedesktop.org/wiki/Standards_2ffile_2duri_2dspec
+    https://freedesktop.org/wiki/Specifications/file-uri-spec
 
   * Desktop Trash Can Specification
-    http://freedesktop.org/wiki/Standards_2ftrash_2dspec
+    https://freedesktop.org/wiki/Specifications/trash-spec
 
 
 How to report bugs?
 ===================
 
 Bugs should be reported to the Xfce bug tracking system
-(http://bugzilla.xfce.org, product Thunar). You will need to
+(https://bugzilla.xfce.org, product Thunar). You will need to
 create an account for yourself.
 
 Please read the HACKING file for information on where to send
diff --git a/autogen.sh b/autogen.sh
index e5e6f6b887ae2313c51f3f30a89a9ca9c314e59b..2c6f794026598a899555821c8e1d891f61d7c384 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -24,7 +24,7 @@
 autogen.sh: You don't seem to have the Xfce development tools installed on
             your system, which are required to build this software.
             Please install the xfce4-dev-tools package first, it is available
-            from http://www.xfce.org/.
+            from https://www.xfce.org/.
 EOF
   exit 1
 }
diff --git a/configure.ac.in b/configure.ac.in
index 8c55181d7833255639ac66ddeb8a0441c97a77c9..eaefdec78430a4af876650d4eb6538973a941402 100644
--- a/configure.ac.in
+++ b/configure.ac.in
@@ -41,7 +41,7 @@ dnl ***************************
 dnl *** Initialize autoconf ***
 dnl ***************************
 AC_COPYRIGHT([Copyright (c) 2004-2015 The Thunar development team. All rights reserved.])
-AC_INIT([Thunar], [thunar_version], [http://bugzilla.xfce.org/], [Thunar])
+AC_INIT([Thunar], [thunar_version], [https://bugzilla.xfce.org/], [Thunar])
 AC_PREREQ([2.60])
 AC_CONFIG_MACRO_DIR([m4])
 AC_CANONICAL_TARGET()
diff --git a/docs/reference/thunarx/thunarx-docs.xml b/docs/reference/thunarx/thunarx-docs.xml
index d41bb2b5dcbd6b65b9a48067e13c391bce118798..4a1f2cbe4035b126ef34caaf0acce51a78cac721 100644
--- a/docs/reference/thunarx/thunarx-docs.xml
+++ b/docs/reference/thunarx/thunarx-docs.xml
@@ -42,7 +42,7 @@
         any later version published by the Free Software Foundation; with no
         Invariant Sections, with no Front-Cover Texts, and with no Back-Cover
         Texts. The complete license text is available from the <ulink
-        type="http" url="http://www.gnu.org/">Free Software Foundation</ulink>.
+        type="http" url="https://www.gnu.org/">Free Software Foundation</ulink>.
       </para>
     </legalnotice>
 
@@ -80,7 +80,7 @@
 
     <para>
       It is based on the <ulink type="http"
-      url="http://library.gnome.org/devel/gobject/unstable/chapter-gtype.html">GLib Dynamic Type
+      url="https://developer.gnome.org/gobject/unstable/chapter-gtype.html">GLib Dynamic Type
       System</ulink> and loads the extensions on demand to reduce the system resources
       allocated for the file manager process.
     </para>
@@ -106,7 +106,7 @@
 
         <listitem>
           Provide basic compatibility with the <ulink type="http"
-          url="http://www.gnome.org/projects/nautilus/">Nautilus</ulink> Extension Framework,
+          url="https://www.gnome.org/projects/nautilus/">Nautilus</ulink> Extension Framework,
           so vendors don't need to write several versions of their extensions for the various
           file managers. With the current implementation it should be easy to write a small
           wrapper library for generic extensions that can be loaded into both Thunar and
@@ -119,10 +119,10 @@
           therefore people that already know how to write Nautilus extensions must be
           careful when writing extensions for Thunar, because Thunar actually unloads the
           extension when it's no longer needed. The <ulink type="http"
-          url="http://library.gnome.org/devel/gobject/unstable/GTypePlugin.html">GTypePlugin</ulink>
+          url="https://developer.gnome.org/gobject/unstable/GTypePlugin.html">GTypePlugin</ulink>
           and <ulink type="http"
-          url="http://library.gnome.org/devel/gobject/unstable/GTypeModule.html">GTypeModule</ulink>
-          sections in the <ulink type="http" url="http://library.gnome.org/devel/gobject/unstable/">GObject
+          url="https://developer.gnome.org/gobject/unstable/GTypeModule.html">GTypeModule</ulink>
+          sections in the <ulink type="http" url="https://developer.gnome.org/gobject/unstable/">GObject
           Reference Manual</ulink> provide details about the handling of dynamic type plugins.
         </listitem>
 
diff --git a/org.xfce.thunar.appdata.xml.in b/org.xfce.thunar.appdata.xml.in
index 64a135773095eda2c4f8e59650d1301b7d265cc4..272f6d728fc9d81ec524370c60d5f6039d5cc38c 100644
--- a/org.xfce.thunar.appdata.xml.in
+++ b/org.xfce.thunar.appdata.xml.in
@@ -14,12 +14,12 @@
       clean two-pane design for browsing all your files.
     </_p>
   </description>
-  <url type="homepage">http://xfce.org/projects</url>
+  <url type="homepage">https://xfce.org/projects</url>
   <url type="bugtracker">https://bugzilla.xfce.org/describecomponents.cgi?product=Thunar</url>
-  <url type="help">http://docs.xfce.org/xfce/thunar/start</url>
+  <url type="help">https://docs.xfce.org/xfce/thunar/start</url>
 
   <screenshots>
-    <screenshot type="default">http://docs.xfce.org/_media/xfce/thunar/file-manager-window.png</screenshot>
+    <screenshot type="default">https://docs.xfce.org/_media/xfce/thunar/file-manager-window.png</screenshot>
   </screenshots>
 
   <categories>
diff --git a/org.xfce.thunar.policy.in.in b/org.xfce.thunar.policy.in.in
index d64113e915d3f71f093c6360d6ec97207da1494b..6caf6d061eee287d5aee59eb544851799f1e66d8 100644
--- a/org.xfce.thunar.policy.in.in
+++ b/org.xfce.thunar.policy.in.in
@@ -13,7 +13,7 @@
  -->
 
  <vendor>Thunar</vendor>
- <vendor_url>http://xfce.org/</vendor_url>
+ <vendor_url>https://xfce.org/</vendor_url>
  <icon_name>system-file-manager</icon_name>
 
 
diff --git a/plugins/thunar-wallpaper/twp-provider.c b/plugins/thunar-wallpaper/twp-provider.c
index f345738a777e270ddd6c91f4bb3319edc481bde8..887ae6460e673e1858a5115fdfa7163d65b35d8e 100644
--- a/plugins/thunar-wallpaper/twp-provider.c
+++ b/plugins/thunar-wallpaper/twp-provider.c
@@ -320,7 +320,7 @@ twp_action_set_wallpaper (ThunarxMenuItem *item,
 
 /* Taken from xfce_spawn_get_active_workspace_number in xfce-spawn.c apart of
  * the libxfce4ui library.
- * http://git.xfce.org/xfce/libxfce4ui/tree/libxfce4ui/xfce-spawn.c#n193
+ * https://git.xfce.org/xfce/libxfce4ui/tree/libxfce4ui/xfce-spawn.c#n193
  */
 static gint
 twp_get_active_workspace_number (GdkScreen *screen)
diff --git a/thunar/thunar-exec.c b/thunar/thunar-exec.c
index edbe270e13725db191a7ab6d54f7215cf94d090c..685783c08d86274dfc58d03a373dd9965433da72 100644
--- a/thunar/thunar-exec.c
+++ b/thunar/thunar-exec.c
@@ -104,7 +104,7 @@ te_string_append_quoted_uri (GString *string,
  * @error     : return location for errors or %NULL.
  *
  * Substitutes <literal>Exec</literal> parameter variables according
- * to the <ulink href="http://freedesktop.org/wiki/Standards_2fdesktop_2dentry_2dspec"
+ * to the <ulink href="https://freedesktop.org/wiki/Specifications/desktop-entry-spec"
  * type="http">Desktop Entry Specification</ulink> and returns the
  * parsed argument vector (in @argv) and the number of items placed
  * into @argv (in @argc).
diff --git a/thunar/thunar-file.c b/thunar/thunar-file.c
index ece10f0532cd76d2d2dbac279b91388865adb15b..1ac9a1e4fbc1f9b7fbc5c86b8490ac22cea3565c 100644
--- a/thunar/thunar-file.c
+++ b/thunar/thunar-file.c
@@ -3391,7 +3391,7 @@ thunar_file_get_emblem_names (ThunarFile *file)
         : 0;
 
   /* we add "cant-read" if either (a) the file is not readable or (b) a directory, that lacks the
-   * x-bit, see http://bugzilla.xfce.org/show_bug.cgi?id=1408 for the details about this change.
+   * x-bit, see https://bugzilla.xfce.org/show_bug.cgi?id=1408 for the details about this change.
    */
   if (!thunar_file_is_readable (file)
       || (thunar_file_is_directory (file)
diff --git a/thunar/thunar-io-scan-directory.c b/thunar/thunar-io-scan-directory.c
index 33aa7af4522a04a67a672b21e5e95766f358fcc8..8072db1d0ccb02efc0d15a80bb63221693e13e38 100644
--- a/thunar/thunar-io-scan-directory.c
+++ b/thunar/thunar-io-scan-directory.c
@@ -64,7 +64,7 @@ thunar_io_scan_directory (ThunarJob          *job,
   /* don't recurse when we are scanning prior to unlinking and the current
    * file/dir is in the trash. In GVfs, only the top-level directories in
    * the trash can be modified and deleted directly. See
-   * http://bugzilla.xfce.org/show_bug.cgi?id=7147
+   * https://bugzilla.xfce.org/show_bug.cgi?id=7147
    * for more information */
   if (unlinking
       && thunar_g_file_is_trashed (file)
diff --git a/thunar/thunar-path-entry.c b/thunar/thunar-path-entry.c
index 049e0ed2d18c3a36130445e1b49290ce108ad9fd..48fa5fb08d67e3ec387460311d4f70ca53888b6a 100644
--- a/thunar/thunar-path-entry.c
+++ b/thunar/thunar-path-entry.c
@@ -614,7 +614,7 @@ thunar_path_entry_changed (GtkEditable *editable)
 
       /* set the new folder for the completion model, but disconnect the model from the
        * completion first, because GtkEntryCompletion has become very slow recently when
-       * updating the model being used (http://bugzilla.xfce.org/show_bug.cgi?id=1681).
+       * updating the model being used (https://bugzilla.xfce.org/show_bug.cgi?id=1681).
        */
       model = gtk_entry_completion_get_model (completion);
       g_object_ref (G_OBJECT (model));
@@ -905,7 +905,7 @@ thunar_path_entry_match_func (GtkEntryCompletion *completion,
   model = gtk_entry_completion_get_model (completion);
 
   /* leave if the model is null, we do this in thunar_path_entry_changed() to speed
-   * things up, but that causes http://bugzilla.xfce.org/show_bug.cgi?id=4847. */
+   * things up, but that causes https://bugzilla.xfce.org/show_bug.cgi?id=4847. */
   if (G_UNLIKELY (model == NULL))
     return FALSE;
 
diff --git a/thunar/thunar-shortcuts-view.c b/thunar/thunar-shortcuts-view.c
index c5d749cbc8396d894002a3ea779693d100d30131..b281b22747cdd6d7a6f7aa02300ee03b2bfce95c 100644
--- a/thunar/thunar-shortcuts-view.c
+++ b/thunar/thunar-shortcuts-view.c
@@ -870,7 +870,7 @@ thunar_shortcuts_view_drag_leave (GtkWidget      *widget,
     }
 
   /* schedule a repaint to make sure the special drop icon for the target row
-   * is reset to its default (http://bugzilla.xfce.org/show_bug.cgi?id=2498).
+   * is reset to its default (https://bugzilla.xfce.org/show_bug.cgi?id=2498).
    */
   gtk_widget_queue_draw (widget);
 
diff --git a/thunar/thunar-window.c b/thunar/thunar-window.c
index df24b900d25f49df770d4439e7a474521caa04ea..f626baf1832905792341736e32b13c96a870bc2a 100644
--- a/thunar/thunar-window.c
+++ b/thunar/thunar-window.c
@@ -651,7 +651,7 @@ static inline gint
 view_type2index (GType type)
 {
   /* this necessary for platforms where sizeof(GType) != sizeof(gint),
-   * see http://bugzilla.xfce.org/show_bug.cgi?id=2726 for details.
+   * see https://bugzilla.xfce.org/show_bug.cgi?id=2726 for details.
    */
   if (sizeof (GType) == sizeof (gint))
     {
@@ -676,7 +676,7 @@ static inline GType
 view_index2type (gint idx)
 {
   /* this necessary for platforms where sizeof(GType) != sizeof(gint),
-   * see http://bugzilla.xfce.org/show_bug.cgi?id=2726 for details.
+   * see https://bugzilla.xfce.org/show_bug.cgi?id=2726 for details.
    */
   if (sizeof (GType) == sizeof (gint))
     {