diff --git a/data/oneclient/versions/art/Chaos_Cubed.jpg b/data/oneclient/versions/art/Chaos_Cubed.jpg
deleted file mode 100644
index 6e40ac2ac..000000000
Binary files a/data/oneclient/versions/art/Chaos_Cubed.jpg and /dev/null differ
diff --git a/data/oneclient/versions/art/Chaos_Cubed.webp b/data/oneclient/versions/art/Chaos_Cubed.webp
new file mode 100644
index 000000000..6caf79c77
Binary files /dev/null and b/data/oneclient/versions/art/Chaos_Cubed.webp differ
diff --git a/data/oneclient/versions/art/Copper_Age.jpg b/data/oneclient/versions/art/Copper_Age.jpg
deleted file mode 100644
index dd0a76734..000000000
Binary files a/data/oneclient/versions/art/Copper_Age.jpg and /dev/null differ
diff --git a/data/oneclient/versions/art/Copper_Age.webp b/data/oneclient/versions/art/Copper_Age.webp
new file mode 100644
index 000000000..dfd810d1b
Binary files /dev/null and b/data/oneclient/versions/art/Copper_Age.webp differ
diff --git a/data/oneclient/versions/art/Mounts_Mayhem.jpg b/data/oneclient/versions/art/Mounts_Mayhem.jpg
deleted file mode 100644
index 913275adb..000000000
Binary files a/data/oneclient/versions/art/Mounts_Mayhem.jpg and /dev/null differ
diff --git a/data/oneclient/versions/art/Mounts_Mayhem.webp b/data/oneclient/versions/art/Mounts_Mayhem.webp
new file mode 100644
index 000000000..bb4aaab81
Binary files /dev/null and b/data/oneclient/versions/art/Mounts_Mayhem.webp differ
diff --git a/data/oneclient/versions/art/Tiny_Takeover.jpg b/data/oneclient/versions/art/Tiny_Takeover.jpg
deleted file mode 100644
index 20d5786c6..000000000
Binary files a/data/oneclient/versions/art/Tiny_Takeover.jpg and /dev/null differ
diff --git a/data/oneclient/versions/art/Tiny_Takeover.webp b/data/oneclient/versions/art/Tiny_Takeover.webp
new file mode 100644
index 000000000..aa9deb279
Binary files /dev/null and b/data/oneclient/versions/art/Tiny_Takeover.webp differ
diff --git a/data/oneclient/versions/art/Tricky_Trials.jpg b/data/oneclient/versions/art/Tricky_Trials.jpg
deleted file mode 100644
index aa33c3b2a..000000000
Binary files a/data/oneclient/versions/art/Tricky_Trials.jpg and /dev/null differ
diff --git a/data/oneclient/versions/art/Tricky_Trials.webp b/data/oneclient/versions/art/Tricky_Trials.webp
new file mode 100644
index 000000000..da237df0d
Binary files /dev/null and b/data/oneclient/versions/art/Tricky_Trials.webp differ
diff --git a/data/oneclient/versions/art/Wilderness_Bound.jpg b/data/oneclient/versions/art/Wilderness_Bound.jpg
deleted file mode 100644
index 0205367cf..000000000
Binary files a/data/oneclient/versions/art/Wilderness_Bound.jpg and /dev/null differ
diff --git a/data/oneclient/versions/art/Wilderness_Bound.webp b/data/oneclient/versions/art/Wilderness_Bound.webp
new file mode 100644
index 000000000..ec2318708
Binary files /dev/null and b/data/oneclient/versions/art/Wilderness_Bound.webp differ
diff --git a/data/oneclient/versions/metadata.json b/data/oneclient/versions/metadata.json
index cf8790a48..2d13df769 100644
--- a/data/oneclient/versions/metadata.json
+++ b/data/oneclient/versions/metadata.json
@@ -3,7 +3,7 @@
         {
             "major_version": 21,
             "name": "Tricky Trials",
-            "art": "/oneclient/versions/art/Tricky_Trials.jpg",
+            "art": "/oneclient/versions/art/Tricky_Trials.webp",
             "long_description": "Minecraft's 1.21 update, known as \"Tricky Trials,\" primarily focuses on combat adventures and tinkering, introducing trial chambers, new copper block variants, a new crafting tool, and a new weapon. It also features new hostile mobs, paintings, and gameplay enhancements.",
             "tags": ["Tricky Trials"],
             "entries": [
@@ -15,14 +15,14 @@
                 {
                     "minor_version": 10,
                     "name": "The Copper Age",
-                    "art": "/oneclient/versions/art/Copper_Age.jpg",
+                    "art": "/oneclient/versions/art/Copper_Age.webp",
                     "loader": "fabric",
                     "tags": ["PvP", "Survival"]
                 },
                 {
                     "minor_version": 11,
                     "name": "Mounts of Mayhem",
-                    "art": "/oneclient/versions/art/Mounts_Mayhem.jpg",
+                    "art": "/oneclient/versions/art/Mounts_Mayhem.webp",
                     "loader": "fabric",
                     "tags": ["PvP", "SkyBlock", "Survival"],
                     "predownload": true
@@ -32,7 +32,7 @@
         {
             "major_version": 26,
             "name": "Minecraft from 2026",
-            "art": "/oneclient/versions/art/Tiny_Takeover.jpg",
+            "art": "/oneclient/versions/art/Tiny_Takeover.webp",
             "long_description": "Minecraft's 26.x updates, starting with the release of \"Tiny Takeover\", primarily focuses on mob charm and quality-of-life improvements, overhauling textures and models for every baby mob that previously lacked a unique model. It also features the golden dandelion, nametag crafting, and other gameplay enhancements.",
             "tags": ["Tiny Takeover"],
             "predownload": true,
@@ -47,14 +47,14 @@
                 {
                     "minor_version": 2,
                     "name": "Chaos Cubed",
-                    "art": "/oneclient/versions/art/Chaos_Cubed.jpg",
+                    "art": "/oneclient/versions/art/Chaos_Cubed.webp",
                     "loader": "fabric",
                     "tags": ["PvP", "SkyBlock", "Survival"]
                 },
                 {
                     "minor_version": 3,
                     "name": "Wilderness Bound",
-                    "art": "/oneclient/versions/art/Wilderness_Bound.jpg",
+                    "art": "/oneclient/versions/art/Wilderness_Bound.webp",
                     "loader": "fabric",
                     "tags": ["PvP", "SkyBlock", "Survival"]
                 }