diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index d62c12be515..7c1c7d75e8e 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -25,6 +25,13 @@ repos:
     hooks:
       - id: identity
       - id: check-hooks-apply
+  - repo: https://github.com/oxipng/oxipng
+    rev: v9.1.5
+    hooks:
+      - id: oxipng
+        name: run oxipng
+        description: optimize PNG images with lossless compression
+        args: ['-o', '4', '--strip', 'safe', '--alpha']
   - repo: https://github.com/gitleaks/gitleaks
     rev: v8.27.2
     hooks:
diff --git a/systemvm/agent/images/bright-green.png b/systemvm/agent/images/bright-green.png
index 685dfc1f5f4..bcabbef7c80 100644
Binary files a/systemvm/agent/images/bright-green.png and b/systemvm/agent/images/bright-green.png differ
diff --git a/systemvm/agent/images/gray-green.png b/systemvm/agent/images/gray-green.png
index e785a63f83e..155c7f5b9d6 100644
Binary files a/systemvm/agent/images/gray-green.png and b/systemvm/agent/images/gray-green.png differ
diff --git a/systemvm/agent/images/left.png b/systemvm/agent/images/left.png
index fb7506618d7..01b05a3ddbf 100644
Binary files a/systemvm/agent/images/left.png and b/systemvm/agent/images/left.png differ
diff --git a/systemvm/agent/images/right.png b/systemvm/agent/images/right.png
index 4abac818410..d1514e2dc18 100644
Binary files a/systemvm/agent/images/right.png and b/systemvm/agent/images/right.png differ
diff --git a/systemvm/agent/images/right2.png b/systemvm/agent/images/right2.png
index cca9379fe5b..4a3f4752ed1 100644
Binary files a/systemvm/agent/images/right2.png and b/systemvm/agent/images/right2.png differ
diff --git a/systemvm/agent/images/winlog.png b/systemvm/agent/images/winlog.png
index c7668c52f53..59c4e11e229 100644
Binary files a/systemvm/agent/images/winlog.png and b/systemvm/agent/images/winlog.png differ
diff --git a/systemvm/agent/noVNC/app/images/alt.png b/systemvm/agent/noVNC/app/images/alt.png
index 2d5e35e7fb8..ee32a127146 100644
Binary files a/systemvm/agent/noVNC/app/images/alt.png and b/systemvm/agent/noVNC/app/images/alt.png differ
diff --git a/systemvm/agent/noVNC/app/images/clipboard.png b/systemvm/agent/noVNC/app/images/clipboard.png
index d7fe507eb79..8e6a365087a 100644
Binary files a/systemvm/agent/noVNC/app/images/clipboard.png and b/systemvm/agent/noVNC/app/images/clipboard.png differ
diff --git a/systemvm/agent/noVNC/app/images/connect.png b/systemvm/agent/noVNC/app/images/connect.png
index abdbe420d5c..385d27ec0e2 100644
Binary files a/systemvm/agent/noVNC/app/images/connect.png and b/systemvm/agent/noVNC/app/images/connect.png differ
diff --git a/systemvm/agent/noVNC/app/images/ctrl.png b/systemvm/agent/noVNC/app/images/ctrl.png
index fbc9e1314ec..7e4a91ee8fe 100644
Binary files a/systemvm/agent/noVNC/app/images/ctrl.png and b/systemvm/agent/noVNC/app/images/ctrl.png differ
diff --git a/systemvm/agent/noVNC/app/images/ctrlaltdel.png b/systemvm/agent/noVNC/app/images/ctrlaltdel.png
index dd0497819d4..1b54cec4aa7 100644
Binary files a/systemvm/agent/noVNC/app/images/ctrlaltdel.png and b/systemvm/agent/noVNC/app/images/ctrlaltdel.png differ
diff --git a/systemvm/agent/noVNC/app/images/disconnect.png b/systemvm/agent/noVNC/app/images/disconnect.png
index 97eb1a98821..fc107b2ba74 100644
Binary files a/systemvm/agent/noVNC/app/images/disconnect.png and b/systemvm/agent/noVNC/app/images/disconnect.png differ
diff --git a/systemvm/agent/noVNC/app/images/drag.png b/systemvm/agent/noVNC/app/images/drag.png
index f006202a793..f347078d89c 100644
Binary files a/systemvm/agent/noVNC/app/images/drag.png and b/systemvm/agent/noVNC/app/images/drag.png differ
diff --git a/systemvm/agent/noVNC/app/images/error.png b/systemvm/agent/noVNC/app/images/error.png
index 04e78e1a4ee..3246e4ec837 100644
Binary files a/systemvm/agent/noVNC/app/images/error.png and b/systemvm/agent/noVNC/app/images/error.png differ
diff --git a/systemvm/agent/noVNC/app/images/esc.png b/systemvm/agent/noVNC/app/images/esc.png
index e1b1bfa2a9c..6dbae178989 100644
Binary files a/systemvm/agent/noVNC/app/images/esc.png and b/systemvm/agent/noVNC/app/images/esc.png differ
diff --git a/systemvm/agent/noVNC/app/images/expander.png b/systemvm/agent/noVNC/app/images/expander.png
index 27937219e9b..3cc8ed4e710 100644
Binary files a/systemvm/agent/noVNC/app/images/expander.png and b/systemvm/agent/noVNC/app/images/expander.png differ
diff --git a/systemvm/agent/noVNC/app/images/fullscreen.png b/systemvm/agent/noVNC/app/images/fullscreen.png
index a7f26344292..9c594726993 100644
Binary files a/systemvm/agent/noVNC/app/images/fullscreen.png and b/systemvm/agent/noVNC/app/images/fullscreen.png differ
diff --git a/systemvm/agent/noVNC/app/images/handle.png b/systemvm/agent/noVNC/app/images/handle.png
index cf0e5d55f1c..d5850c7952e 100644
Binary files a/systemvm/agent/noVNC/app/images/handle.png and b/systemvm/agent/noVNC/app/images/handle.png differ
diff --git a/systemvm/agent/noVNC/app/images/handle_bg.png b/systemvm/agent/noVNC/app/images/handle_bg.png
index efb0357ac82..2165c21637f 100644
Binary files a/systemvm/agent/noVNC/app/images/handle_bg.png and b/systemvm/agent/noVNC/app/images/handle_bg.png differ
diff --git a/systemvm/agent/noVNC/app/images/icons/novnc-120x120.png b/systemvm/agent/noVNC/app/images/icons/novnc-120x120.png
index 40823efbadf..a77e84e409b 100644
Binary files a/systemvm/agent/noVNC/app/images/icons/novnc-120x120.png and b/systemvm/agent/noVNC/app/images/icons/novnc-120x120.png differ
diff --git a/systemvm/agent/noVNC/app/images/icons/novnc-144x144.png b/systemvm/agent/noVNC/app/images/icons/novnc-144x144.png
index eee71f11c74..dd45211b57d 100644
Binary files a/systemvm/agent/noVNC/app/images/icons/novnc-144x144.png and b/systemvm/agent/noVNC/app/images/icons/novnc-144x144.png differ
diff --git a/systemvm/agent/noVNC/app/images/icons/novnc-152x152.png b/systemvm/agent/noVNC/app/images/icons/novnc-152x152.png
index 0694b2de39b..c058b884ad5 100644
Binary files a/systemvm/agent/noVNC/app/images/icons/novnc-152x152.png and b/systemvm/agent/noVNC/app/images/icons/novnc-152x152.png differ
diff --git a/systemvm/agent/noVNC/app/images/icons/novnc-16x16.png b/systemvm/agent/noVNC/app/images/icons/novnc-16x16.png
index 42108f40999..ebcc1b35625 100644
Binary files a/systemvm/agent/noVNC/app/images/icons/novnc-16x16.png and b/systemvm/agent/noVNC/app/images/icons/novnc-16x16.png differ
diff --git a/systemvm/agent/noVNC/app/images/icons/novnc-192x192.png b/systemvm/agent/noVNC/app/images/icons/novnc-192x192.png
index ef9201f4370..806a4ca2ce6 100644
Binary files a/systemvm/agent/noVNC/app/images/icons/novnc-192x192.png and b/systemvm/agent/noVNC/app/images/icons/novnc-192x192.png differ
diff --git a/systemvm/agent/noVNC/app/images/icons/novnc-24x24.png b/systemvm/agent/noVNC/app/images/icons/novnc-24x24.png
index 110613594b8..fda9115d1ee 100644
Binary files a/systemvm/agent/noVNC/app/images/icons/novnc-24x24.png and b/systemvm/agent/noVNC/app/images/icons/novnc-24x24.png differ
diff --git a/systemvm/agent/noVNC/app/images/icons/novnc-32x32.png b/systemvm/agent/noVNC/app/images/icons/novnc-32x32.png
index ff00dc305a7..4a6c217819e 100644
Binary files a/systemvm/agent/noVNC/app/images/icons/novnc-32x32.png and b/systemvm/agent/noVNC/app/images/icons/novnc-32x32.png differ
diff --git a/systemvm/agent/noVNC/app/images/icons/novnc-48x48.png b/systemvm/agent/noVNC/app/images/icons/novnc-48x48.png
index f24cd6cc939..2f120b497f8 100644
Binary files a/systemvm/agent/noVNC/app/images/icons/novnc-48x48.png and b/systemvm/agent/noVNC/app/images/icons/novnc-48x48.png differ
diff --git a/systemvm/agent/noVNC/app/images/icons/novnc-60x60.png b/systemvm/agent/noVNC/app/images/icons/novnc-60x60.png
index 06b0d609a0f..944d2b7166d 100644
Binary files a/systemvm/agent/noVNC/app/images/icons/novnc-60x60.png and b/systemvm/agent/noVNC/app/images/icons/novnc-60x60.png differ
diff --git a/systemvm/agent/noVNC/app/images/icons/novnc-64x64.png b/systemvm/agent/noVNC/app/images/icons/novnc-64x64.png
index 6d0fb34181b..84607e8480b 100644
Binary files a/systemvm/agent/noVNC/app/images/icons/novnc-64x64.png and b/systemvm/agent/noVNC/app/images/icons/novnc-64x64.png differ
diff --git a/systemvm/agent/noVNC/app/images/icons/novnc-72x72.png b/systemvm/agent/noVNC/app/images/icons/novnc-72x72.png
index 23163a22d06..4aeb332d0f9 100644
Binary files a/systemvm/agent/noVNC/app/images/icons/novnc-72x72.png and b/systemvm/agent/noVNC/app/images/icons/novnc-72x72.png differ
diff --git a/systemvm/agent/noVNC/app/images/icons/novnc-76x76.png b/systemvm/agent/noVNC/app/images/icons/novnc-76x76.png
index aef61c48043..859497e8572 100644
Binary files a/systemvm/agent/noVNC/app/images/icons/novnc-76x76.png and b/systemvm/agent/noVNC/app/images/icons/novnc-76x76.png differ
diff --git a/systemvm/agent/noVNC/app/images/icons/novnc-96x96.png b/systemvm/agent/noVNC/app/images/icons/novnc-96x96.png
index 1a77c53f4cb..cb1d7dca984 100644
Binary files a/systemvm/agent/noVNC/app/images/icons/novnc-96x96.png and b/systemvm/agent/noVNC/app/images/icons/novnc-96x96.png differ
diff --git a/systemvm/agent/noVNC/app/images/info.png b/systemvm/agent/noVNC/app/images/info.png
index 21e358981af..84e04c6767a 100644
Binary files a/systemvm/agent/noVNC/app/images/info.png and b/systemvm/agent/noVNC/app/images/info.png differ
diff --git a/systemvm/agent/noVNC/app/images/keyboard.png b/systemvm/agent/noVNC/app/images/keyboard.png
index fe8056bda1e..379d1e0c881 100644
Binary files a/systemvm/agent/noVNC/app/images/keyboard.png and b/systemvm/agent/noVNC/app/images/keyboard.png differ
diff --git a/systemvm/agent/noVNC/app/images/power.png b/systemvm/agent/noVNC/app/images/power.png
index 7f871358d1f..9e26cc30fab 100644
Binary files a/systemvm/agent/noVNC/app/images/power.png and b/systemvm/agent/noVNC/app/images/power.png differ
diff --git a/systemvm/agent/noVNC/app/images/settings.png b/systemvm/agent/noVNC/app/images/settings.png
index 8d0c0d4e865..72959f4ac86 100644
Binary files a/systemvm/agent/noVNC/app/images/settings.png and b/systemvm/agent/noVNC/app/images/settings.png differ
diff --git a/systemvm/agent/noVNC/app/images/shift.png b/systemvm/agent/noVNC/app/images/shift.png
index b79d6973c8b..2fbea32a309 100644
Binary files a/systemvm/agent/noVNC/app/images/shift.png and b/systemvm/agent/noVNC/app/images/shift.png differ
diff --git a/systemvm/agent/noVNC/app/images/tab.png b/systemvm/agent/noVNC/app/images/tab.png
index 6adb7819d1e..cf7623a1cf8 100644
Binary files a/systemvm/agent/noVNC/app/images/tab.png and b/systemvm/agent/noVNC/app/images/tab.png differ
diff --git a/systemvm/agent/noVNC/app/images/toggleextrakeys.png b/systemvm/agent/noVNC/app/images/toggleextrakeys.png
index 0f80f6d5ba3..bedc2a4925d 100644
Binary files a/systemvm/agent/noVNC/app/images/toggleextrakeys.png and b/systemvm/agent/noVNC/app/images/toggleextrakeys.png differ
diff --git a/systemvm/agent/noVNC/app/images/warning.png b/systemvm/agent/noVNC/app/images/warning.png
index e9dd550c132..a6aa2f27eca 100644
Binary files a/systemvm/agent/noVNC/app/images/warning.png and b/systemvm/agent/noVNC/app/images/warning.png differ
diff --git a/systemvm/agent/noVNC/app/images/windows.png b/systemvm/agent/noVNC/app/images/windows.png
index 036e1ae1130..1bfdbbe5ef2 100644
Binary files a/systemvm/agent/noVNC/app/images/windows.png and b/systemvm/agent/noVNC/app/images/windows.png differ
diff --git a/tools/apidoc/images/cloudstack.png b/tools/apidoc/images/cloudstack.png
index 2f3d899701a..ef282829559 100644
Binary files a/tools/apidoc/images/cloudstack.png and b/tools/apidoc/images/cloudstack.png differ
diff --git a/tools/logo/apache_cloudstack.png b/tools/logo/apache_cloudstack.png
index d0fde45ac28..89bf57007ae 100644
Binary files a/tools/logo/apache_cloudstack.png and b/tools/logo/apache_cloudstack.png differ
diff --git a/tools/ngui/static/bootstrap/img/glyphicons-halflings-white.png b/tools/ngui/static/bootstrap/img/glyphicons-halflings-white.png
index 3bf6484a29d..484e020c0ac 100644
Binary files a/tools/ngui/static/bootstrap/img/glyphicons-halflings-white.png and b/tools/ngui/static/bootstrap/img/glyphicons-halflings-white.png differ
diff --git a/tools/ngui/static/bootstrap/img/glyphicons-halflings.png b/tools/ngui/static/bootstrap/img/glyphicons-halflings.png
index a9969993201..b794a671407 100644
Binary files a/tools/ngui/static/bootstrap/img/glyphicons-halflings.png and b/tools/ngui/static/bootstrap/img/glyphicons-halflings.png differ
diff --git a/ui/docs/screenshot-dashboard.png b/ui/docs/screenshot-dashboard.png
index 875bc2c5c13..a0143d5fc1e 100644
Binary files a/ui/docs/screenshot-dashboard.png and b/ui/docs/screenshot-dashboard.png differ
diff --git a/ui/public/assets/403.png b/ui/public/assets/403.png
index 5ce416c1e64..49e7daa8c43 100644
Binary files a/ui/public/assets/403.png and b/ui/public/assets/403.png differ
diff --git a/ui/public/assets/404.png b/ui/public/assets/404.png
index 4720b6840b0..36d5ee460c2 100644
Binary files a/ui/public/assets/404.png and b/ui/public/assets/404.png differ
diff --git a/ui/public/assets/500.png b/ui/public/assets/500.png
index bdb941817aa..d4c6c222dad 100644
Binary files a/ui/public/assets/500.png and b/ui/public/assets/500.png differ
diff --git a/ui/public/assets/bg-what-is-cloudstack.png b/ui/public/assets/bg-what-is-cloudstack.png
index db657dcf607..d4d7a03c0b3 100644
Binary files a/ui/public/assets/bg-what-is-cloudstack.png and b/ui/public/assets/bg-what-is-cloudstack.png differ
diff --git a/ui/public/assets/error.png b/ui/public/assets/error.png
index 25d69745eee..a1f39d4cc31 100644
Binary files a/ui/public/assets/error.png and b/ui/public/assets/error.png differ
diff --git a/ui/public/assets/success.png b/ui/public/assets/success.png
index fdfef8cd72b..613acfb344f 100644
Binary files a/ui/public/assets/success.png and b/ui/public/assets/success.png differ