diff --git a/src-tauri/src/app/gui.rs b/src-tauri/src/app/gui.rs
index 9466b5d..f27b629 100644
--- a/src-tauri/src/app/gui.rs
+++ b/src-tauri/src/app/gui.rs
@@ -491,6 +491,7 @@ async fn run_client(branch: String, login_data: LoginData, options: LauncherOpti
         memory: percentage_of_total_memory(options.memory_percentage),
         data_path: options.data_path_buf(),
         custom_java_path: if !options.custom_java_path.is_empty() { Some(options.custom_java_path) } else { None },
+        custom_java_args: options.custom_java_args,
         auth_player_name: login_data.username,
         auth_uuid: login_data.uuid,
         auth_access_token: login_data.mc_token,
diff --git a/src-tauri/src/minecraft/launcher.rs b/src-tauri/src/minecraft/launcher.rs
index 6dad131..f046943 100644
--- a/src-tauri/src/minecraft/launcher.rs
+++ b/src-tauri/src/minecraft/launcher.rs
@@ -398,6 +398,7 @@ pub struct LaunchingParameter {
     pub memory: i64,
     pub data_path: PathBuf,
     pub custom_java_path: Option<String>,
+    pub custom_java_args: String,
     pub auth_player_name: String,
     pub auth_uuid: String,
     pub auth_access_token: String,
diff --git a/src-tauri/src/minecraft/version.rs b/src-tauri/src/minecraft/version.rs
index 1d18b01..25577ca 100644
--- a/src-tauri/src/minecraft/version.rs
+++ b/src-tauri/src/minecraft/version.rs
@@ -137,6 +137,10 @@ impl ArgumentDeclaration {
         command_arguments.push("-XX:G1HeapRegionSize=32M".to_string());
         command_arguments.push(format!("-Dnorisk.token={}", norisk_token));
         command_arguments.push(format!("-Dnorisk.experimental={}", parameter.dev_mode));
+        for arg in parameter.custom_java_args.split(" ") {
+            println!("Added custom java arg: {:?}", arg);
+            command_arguments.push(arg.to_string());
+        }
 
         match self {
             ArgumentDeclaration::V14(_) => command_arguments.append(&mut vec!["-Djava.library.path=${natives_directory}".to_string(), "-cp".to_string(), "${classpath}".to_string()]),
diff --git a/src/components/config/ConfigModal.svelte b/src/components/config/ConfigModal.svelte
index 7bb6602..b12999c 100644
--- a/src/components/config/ConfigModal.svelte
+++ b/src/components/config/ConfigModal.svelte
@@ -3,6 +3,7 @@
   import { invoke } from "@tauri-apps/api";
   import ConfigRadioButton from "./inputs/ConfigRadioButton.svelte";
   import ConfigTextInput from "./inputs/ConfigTextInput.svelte";
+  import ConfigFolderInput from "./inputs/ConfigFolderInput.svelte";
   import { createEventDispatcher } from "svelte";
 
   const dispatch = createEventDispatcher();
@@ -64,8 +65,9 @@
         <ConfigSlider title="RAM" suffix="%" min={20} max={100} bind:value={options.memoryPercentage} step={1} />
         <ConfigSlider title="Max Downloads" suffix="" min={1} max={50} bind:value={options.concurrentDownloads}
                       step={1} />
-        <ConfigTextInput title="Java Path" bind:value={options.customJavaPath} />
-        <ConfigTextInput title="Data Folder" bind:value={options.dataPath} />
+        <ConfigFolderInput title="Java Path" bind:value={options.customJavaPath} />
+        <ConfigTextInput title="Custom JVM args" bind:value={options.customJavaArgs} />
+        <ConfigFolderInput title="Data Folder" bind:value={options.dataPath} />
       </div>
     </div>
     <!-- svelte-ignore a11y-autofocus -->
@@ -111,8 +113,8 @@
     dialog {
         background-color: var(--background-color);
         border: 5px solid black;
-        width: 30em;
-        height: 37em;
+        width: 34em;
+        height: 42em;
         border-radius: 0.2em;
         padding: 0;
         position: fixed; /* Fixierte Positionierung */
diff --git a/src/components/config/inputs/ConfigFolderInput.svelte b/src/components/config/inputs/ConfigFolderInput.svelte
new file mode 100644
index 0000000..404cbaf
--- /dev/null
+++ b/src/components/config/inputs/ConfigFolderInput.svelte
@@ -0,0 +1,84 @@
+
+<script>
+  import { open } from '@tauri-apps/api/dialog';
+
+  export let title;
+  export let value; // value of the text field
+
+  // Try to get user-desired folder path via system dialog
+  async function selectFolderPath() {
+    try {
+      const result = await open({
+        defaultPath: value,
+        directory: true,
+      })
+      if (result) {
+        value = result
+      }
+    } catch (e) {
+      alert("Failed to select folder using dialog")
+    }
+  }
+</script>
+
+<div class="input-container">
+  <h1>{title}</h1>
+  <div class="input-button-wrapper">
+    <!-- svelte-ignore a11y-autofocus -->
+    <input placeholder="Internal" autofocus={false} bind:value={value} type="text" class="nes-input" disabled>
+    <button on:click={selectFolderPath} aria-label="Select Folder">📂</button>
+  </div>
+</div>
+
+<style>
+    .input-button-wrapper {
+        width: 100%;
+        display: flex;
+        flex-direction: row;
+        align-items: center;
+    }
+
+    input {
+      margin-right: 5px;
+    }
+
+    button {
+      outline: none;
+      background-color: transparent;
+      border: none;
+      text-align: center;
+      padding: 3.5px;
+    }
+
+    button:hover {
+      cursor: pointer;
+    }
+
+    .input-container {
+        display: flex;
+        flex-direction: column;
+        align-items: start;
+    }
+
+    .input-container h1 {
+        font-family: 'Press Start 2P', serif;
+        font-size: 18px;
+        margin-bottom: 0.8em;
+        cursor: default;
+    }
+
+    .nes-input {
+        font-family: 'Press Start 2P', serif;
+        font-size: 10px;
+        padding: 6px 8px;
+        border: 1px solid #212121;
+        background-color: var(--background-contrast-color);
+        width: 100%;
+        outline: none;
+        transition: background-color 0.3s ease-in-out;
+    }
+
+    .nes-input::placeholder {
+      color: var(--font-color);
+    }
+</style>
diff --git a/src/components/config/inputs/ConfigTextInput.svelte b/src/components/config/inputs/ConfigTextInput.svelte
index 3d848df..3ff4c12 100644
--- a/src/components/config/inputs/ConfigTextInput.svelte
+++ b/src/components/config/inputs/ConfigTextInput.svelte
@@ -1,32 +1,14 @@
 
 <script>
-  import { open } from '@tauri-apps/api/dialog';
-
   export let title;
   export let value; // value of the text field
-
-  // Try to get user-desired folder path via system dialog
-  async function selectFolderPath() {
-    try {
-      const result = await open({
-        defaultPath: value,
-        directory: true,
-      })
-      if (result) {
-        value = result
-      }
-    } catch (e) {
-      alert("Failed to select folder using dialog")
-    }
-  }
 </script>
 
 <div class="input-container">
   <h1>{title}</h1>
   <div class="input-button-wrapper">
     <!-- svelte-ignore a11y-autofocus -->
-    <input placeholder="Internal" autofocus={false} bind:value={value} type="text" class="nes-input" disabled>
-    <button on:click={selectFolderPath} aria-label="Select Folder">📂</button>
+    <input placeholder="" autofocus={false} bind:value={value} type="text" class="nes-input">
   </div>
 </div>
 
@@ -37,23 +19,11 @@
         flex-direction: row;
         align-items: center;
     }
-    
+
     input {
       margin-right: 5px;
     }
 
-    button {
-      outline: none;
-      background-color: transparent;
-      border: none;
-      text-align: center;
-      padding: 3.5px;
-    }
-
-    button:hover {
-      cursor: pointer;
-    }
-      
     .input-container {
         display: flex;
         flex-direction: column;