diff --git a/src/Controllers/SettingsController.cs b/src/Controllers/SettingsController.cs
index fa01430..5aab3d7 100644
--- a/src/Controllers/SettingsController.cs
+++ b/src/Controllers/SettingsController.cs
@@ -33,7 +33,7 @@ public class SettingsController : Controller
     public async Task<IActionResult> AdminAsync()
     {
         AdminSettingsModel adminSettingsModel = await _ldap.GetAdminSettingsModelAsync();
-        return View();
+        return View(adminSettingsModel);
     }
 
     [Authorize(Roles = "CanManageSettings")]
diff --git a/src/Views/Home/Users.cshtml b/src/Views/Home/Users.cshtml
index 4e6d35e..47770e8 100644
--- a/src/Views/Home/Users.cshtml
+++ b/src/Views/Home/Users.cshtml
@@ -235,33 +235,6 @@
 </div>
 
 <script>
-
-    function unflatten(obj) {
-        const result = {};
-        for (const [key, value] of Object.entries(obj)) {
-            const parts = key.split(".");
-            let current = result;
-            for (let i = 0; i < parts.length; i++) {
-                const part = parts[i];
-                if (i === parts.length - 1) {
-                    if (typeof value === "string" && /^[\[{]/.test(value.trim())) {
-                        try {
-                            current[part] = JSON.parse(value);
-                        } catch {
-                            current[part] = value;
-                        }
-                    } else {
-                        current[part] = value;
-                    }
-                } else {
-                    current[part] = current[part] || {};
-                    current = current[part];
-                }
-            }
-        }
-        return result;
-    }
-
     document.addEventListener('DOMContentLoaded', () => {
         // --- Update user modal ---
         const updateModal = document.getElementById('updateModal');
diff --git a/src/Views/Settings/Admin.cshtml b/src/Views/Settings/Admin.cshtml
index e9c7309..3a1fe68 100644
--- a/src/Views/Settings/Admin.cshtml
+++ b/src/Views/Settings/Admin.cshtml
@@ -1 +1,289 @@
-<h3>Empty view lol</h3>
\ No newline at end of file
+@using Berufsschule_HAM.Services
+@using Microsoft.AspNetCore.Html
+@using Microsoft.AspNetCore.Mvc.Localization
+@using Berufsschule_HAM.Models
+@using System.Buffers.Text
+@using System.Text.Json;
+@using System.Text.Json.Serialization;
+@model AdminSettingsModel
+@inject IViewLocalizer T
+@inject LdapService ldap
+@{
+    ViewData["Title"] = T["Users"];
+}
+
+<form id="updateSettings">
+    <div class="row g-3">
+        <h4 class="fw-bold">@T["General settings"]</h4>
+        <div class="col-md-6">
+            <label class="form-label" for="updateHashAlgorithm">@T["Default hash algorithm"]</label>
+            <select type="text" name="DefaultHashAlgorithm" id="updateHashAlgorithm" class="form-control">
+                @foreach (string algorithm in ldap.HashAlgorithms.Keys)
+                {
+                    bool selected = algorithm == Model.DefaultHashAlgorithm;
+                    <option value="@algorithm" selected="@selected">@algorithm</option>                    
+                }
+            </select>
+        </div>
+        <div class="col-md-6">
+            <label class="form-label" for="updateBarcodeType">@T["Barcode type"]</label>
+            <select type="text" name="BarcodeType" id="updateBarcodeType" class="form-control" />
+                <option selected="@(Model.BarcodeType == "code128c")" value="code128c">CODE128C</option>
+                <option selected="@(Model.BarcodeType == "ean13")" value="ean13">EAN13</option>
+                <option selected="@(Model.BarcodeType == "ean8")" value="ean8">EAN8</option>
+                <option selected="@(Model.BarcodeType == "upc")" value="upc">UPC</option>
+                <option selected="@(Model.BarcodeType == "itf14")" value="itf14">ITF14</option>
+                <option selected="@(Model.BarcodeType == "itf")" value="itf">ITF</option>
+            </select>
+        </div>
+        <div class="col-md-6">
+            <label class="form-label" for="updateBarcodeText">@T["Barcode text"]</label>
+            <input type="text" name="BarcodeText" id="updateBarcodeText" class="form-control" value="@Model.BarcodeText" />
+        </div>
+        <div class="col-md-6">
+            <label class="form-label" for="updateMaxDownloadableUserImageSize">@T["Max downloadable user image size"]</label>
+            <input type="number" id="updateMaxDownloadableUserImageSize" name="MaxDownloadableUserImageSize" class="form-control" value="@Model.MaxDownloadableUserImageSize" />
+        </div>
+        <div class="col-md-6 mt-3">
+            <h4 class="fw-bold">@T["Presets"]</h4>
+
+            @foreach (var preset in Model.Presets)
+            {
+                <div class="border rounded p-3 mb-3" data-preset-id="@(preset.Key)">
+                    <label class="form-label" for="Presets.@(preset.Key).Key">@T["Preset name"]</label>
+                    <input class="form-control mb-3" id="Presets.@(preset.Key).Key" name="Presets.@(preset.Key).Key" value="@preset.Key"/>
+                    <label class="form-label">@T["Attributes"]</label>
+                    @foreach (var attr in preset.Value.Attribute)
+                    {
+                        <div class="row mb-2" data-type="attribute">
+                            <div class="col-md-3">
+                                <input class="form-control"
+                                    name="Presets.@(preset.Key).Attribute.@(attr.Key).Key"
+                                    value="@attr.Key" placeholder="@T["Name"]" aria-label="@T["Name"]" />
+                            </div>
+                            <div class="col-md-5">
+                                <input class="form-control"
+                                    name="Presets.@(preset.Key).Attribute.@(attr.Key).Value"
+                                    value="@attr.Value" placeholder="@T["Value"]" aria-label="@T["Value"]" />
+                            </div>
+                            <div class="col-md-4">
+                                <button type="button" class="btn btn-danger" data-type="deleteAttribute">@T["Delete attribute"]</button>
+                            </div>
+                        </div>
+                    }
+                    <div class="row mb-4">
+                        <div class="col-md-4">
+                            <button type="button" class="btn btn-danger" data-type="deletePreset">@T["Delete preset"]</button>
+                        </div>
+                        <div class="col-md-4 ms-auto">
+                            <button type="button" class="btn btn-primary" data-type="addAttribute">@T["Add attribute"]</button>
+                        </div>
+                    </div>
+                </div>
+            }
+            <div class="col-md-4">
+                <button type="button" class="btn btn-primary" data-type="addPreset">@T["Add preset"]</button>
+            </div>
+        </div>
+        <form id="updateSettings" method="post" asp-controller="Settings" asp-action="Admin">
+            <button type="submit" class="btn btn-warning">@T["Update"]</button>
+        </form>
+    </div>
+</form>
+
+<script>
+    document.addEventListener('DOMContentLoaded', () => {
+        const updateForm = document.getElementById('updateSettings');
+        updateForm.addEventListener('submit', async e => {
+            e.preventDefault();
+            const url = `/Settings/Admin`;
+            const dataFromEntries = Object.fromEntries(new FormData(updateForm).entries());
+            var data = unflatten(dataFromEntries);
+            var presets = {};
+            for (var preset in data.Presets) {
+                for (var attribute in data.Presets[preset].Attribute) {
+                    var key = data.Presets[preset].Attribute[attribute].Key;
+                    var value = data.Presets[preset].Attribute[attribute].Value;
+                    delete(data.Presets[preset].Attribute[attribute]);
+                    data.Presets[preset].Attribute[key] = value;
+                }
+                var presetKey = data.Presets[preset].Key;
+                delete(data.Presets[preset].Key);
+                var tempPreset = data.Presets[preset];
+                delete(data.Presets[preset]);
+                data.Presets[presetKey] = tempPreset;
+            }
+            var temp = data;
+            data = {};
+            data.AdminSettingsModel = temp;
+            try {
+                const response = await fetch(url, {
+                    method: 'PUT',
+                    headers: {
+                        'Content-Type': 'application/json',
+                        'Accept': 'application/json'
+                    },
+                    body: JSON.stringify(data)
+                });
+
+                const result = await response.json();
+
+                if (result.Success) {
+                    showToast('@T["Settings updated successfully"]', 'success');
+                } else {
+                    showToast(`${result.reason}: ${result.exception || '@T["Unknown error"]'}`, 'danger');
+                }
+            } catch (error) {
+                console.error(error);
+                showToast('@T["Error contacting server"]', 'danger');
+            }
+        });
+    });
+
+
+    function addAttribute(presetContainer, presetKey) {
+        const attributeId = crypto.randomUUID();
+
+        const row = document.createElement('div');
+        row.classList.add('row', 'mb-2');
+
+        row.innerHTML = `
+            <div class="col-md-3">
+                <input class="form-control"
+                    name="Presets.${presetKey}.Attribute.${attributeId}.Key"
+                    value="" />
+            </div>
+            <div class="col-md-5">
+                <input class="form-control"
+                    name="Presets.${presetKey}.Attribute.${attributeId}.Value"
+                    value="" />
+            </div>
+            <div class="col-md-4">
+                <button type="button" class="btn btn-danger btn-delete-attr">
+                    ${presetContainer.dataset.deleteAttributeText}
+                </button>
+            </div>
+        `;
+
+        presetContainer.querySelector('.attributes').appendChild(row);
+    }
+
+    document.querySelectorAll('button[data-type="addAttribute"]').forEach(btn => {
+        addAddAttributeEventListener(btn);
+    });
+
+    document.querySelectorAll('button[data-type="deleteAttribute"]').forEach(btn => {
+        addRemoveAttributeEventListener(btn);
+    });
+
+    document.querySelectorAll('button[data-type="deletePreset"]').forEach(btn => {
+        addDeletePresetEventListener(btn);
+    });
+
+    document.querySelectorAll('button[data-type="addPreset"]').forEach(btn => {
+        addAddPresetEventListener(btn);
+    });
+
+    function addAddAttributeEventListener(button) {
+        button.addEventListener('click', e => {
+            const presetContainer = e.target.closest('.border.rounded.p-3.mb-3');
+            if (!presetContainer) return;
+
+            const presetKey = presetContainer.getAttribute("data-preset-id"); //presetContainer.querySelector('input')?.value;
+            if (!presetKey) return;
+
+            // Container für Attribute suchen
+            let attributesContainer = presetContainer.querySelector('.attributes');
+            if (!attributesContainer) {
+                // Falls nicht vorhanden -> dynamisch anlegen (optional)
+                attributesContainer = document.createElement('div');
+                attributesContainer.classList.add('attributes');
+                presetContainer.insertBefore(attributesContainer, presetContainer.querySelector('.row.mb-4'));
+            }
+
+            const attributeId = crypto.randomUUID();
+
+            const row = document.createElement('div');
+            row.classList.add('row', 'mb-2');
+            row.setAttribute('data-type', 'attribute');
+
+            row.innerHTML = `
+                <div class="col-md-3">
+                    <input class="form-control"
+                        name="Presets.${presetKey}.Attribute.${attributeId}.Key"
+                        value="" />
+                </div>
+                <div class="col-md-5">
+                    <input class="form-control"
+                        name="Presets.${presetKey}.Attribute.${attributeId}.Value"
+                        value="" />
+                </div>
+                <div class="col-md-4">
+                    <button type="button" class="btn btn-danger" data-type="deleteAttribute">
+                        ${presetContainer.dataset.deleteAttributeText || 'Delete attribute'}
+                    </button>
+                </div>
+            `;
+
+            attributesContainer.appendChild(row);
+
+            // Delete-Button Eventlistener aktivieren
+            const deleteButton = row.querySelector('button[data-type="deleteAttribute"]');
+            addRemoveAttributeEventListener(deleteButton);
+        });
+    }
+
+    function addRemoveAttributeEventListener(button) {
+        button.addEventListener('click', e => {
+            const row = e.target.closest('div[data-type="attribute"]');
+            row.remove();
+        });
+    }
+
+    function addDeletePresetEventListener(button) {
+        button.addEventListener('click', e => {
+            const presetContainer = e.target.closest('.border.rounded.p-3.mb-3');
+            if (!presetContainer) return;
+            presetContainer.remove();
+        });
+    }
+
+    function addAddPresetEventListener(button) {
+        button.addEventListener('click', e => {
+            // Presets-Container: der nächste Block über dem Button, der die Presets enthält
+            const presetsButton = button.closest('button[data-type="addPreset"]');
+            if (!presetsButton) return;
+
+            const presetId = crypto.randomUUID();
+
+            // Preset-Block erstellen
+            const presetDiv = document.createElement('div');
+            presetDiv.classList.add('border', 'rounded', 'p-3', 'mb-3');
+            presetDiv.setAttribute('data-preset-id', presetId);
+            presetDiv.innerHTML = `
+                <label class="form-label" for="Presets.${presetId}.Key">@T["Preset name"]</label>
+                <input class="form-control mb-3" id="Presets.${presetId}.Key" name="Presets.${presetId}.Key" value=""/>
+                <label class="form-label">@T["Attributes"]</label>
+                <div class="attributes"></div>
+                <div class="row mb-4">
+                    <div class="col-md-4">
+                        <button type="button" class="btn btn-danger" data-type="deletePreset">Delete preset</button>
+                    </div>
+                    <div class="col-md-4 ms-auto">
+                        <button type="button" class="btn btn-primary" data-type="addAttribute">Add attribute</button>
+                    </div>
+                </div>
+            `;
+
+            // Einfach ans Ende der Container-Liste hängen
+            presetsButton.parentElement.parentElement.insertBefore(presetDiv, presetsButton.parentElement);
+
+            // Eventlistener für den neuen Preset-Block aktivieren
+            const addAttrBtn = presetDiv.querySelector('button[data-type="addAttribute"]');
+            const deletePresetBtn = presetDiv.querySelector('button[data-type="deletePreset"]');
+
+            addAddAttributeEventListener(addAttrBtn);
+            addDeletePresetEventListener(deletePresetBtn);
+        });
+    }
+</script>
diff --git a/src/wwwroot/js/site.js b/src/wwwroot/js/site.js
index bfdde28..5ba6601 100644
--- a/src/wwwroot/js/site.js
+++ b/src/wwwroot/js/site.js
@@ -239,4 +239,30 @@ function validatePassword(password) {
     const strongPasswordRegex =
         /^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[!@#$%^&*()_\-+=\[{\]};:'",<.>/?\\|`~]).{8,}$/;
     return strongPasswordRegex.test(password);
-}
\ No newline at end of file
+}
+
+function unflatten(obj) {
+    const result = {};
+    for (const [key, value] of Object.entries(obj)) {
+        const parts = key.split(".");
+        let current = result;
+        for (let i = 0; i < parts.length; i++) {
+            const part = parts[i];
+            if (i === parts.length - 1) {
+                if (typeof value === "string" && /^[\[{]/.test(value.trim())) {
+                    try {
+                        current[part] = JSON.parse(value);
+                    } catch {
+                        current[part] = value;
+                    }
+                } else {
+                    current[part] = value;
+                }
+            } else {
+                current[part] = current[part] || {};
+                current = current[part];
+            }
+        }
+    }
+    return result;
+}