diff --git a/README.md b/README.md
index 4ab0051..fc4daa9 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ Release-Tag oder ein bestimmter Commit verwendet werden:
 
 ```bash
 /opt/netbox/venv/bin/pip install --upgrade --force-reinstall \
-  "git+https://git.mrblake.cc/MrBlake/Netbox-Utilities.git@v0.5.0"
+  "git+https://git.mrblake.cc/MrBlake/Netbox-Utilities.git@v0.5.1"
 ```
 
 Alternativ kann hinter dem `@` die vollständige Commit-ID stehen.
@@ -202,14 +202,13 @@ Unter **Plugins > NetBox Utilities > Navigation personalisieren** sieht der
 Benutzer alle Menüs, für die er aktuell Berechtigungen besitzt. Die Pfeiltasten
 ändern die Reihenfolge; der Schalter blendet ein Menü aus.
 
-Zusätzlich kann jeder Benutzer die Desktop-Navigation auf einen reinen
-**Icon-Modus** einklappen und die Breite der ausgeklappten Navigation zwischen
-216 und 408 Pixeln einstellen. Am unteren Rand der Navigation stehen dafür
-direkte Schaltflächen für **schmaler**, **einklappen/ausklappen** und **breiter**
-zur Verfügung. Änderungen über diese Schaltflächen werden sofort im
-Benutzerprofil gespeichert. Im Icon-Modus öffnen sich die Menüinhalte als
-seitliches Flyout; auf kleinen beziehungsweise mobilen Ansichten bleibt das
-normale NetBox-Menü erhalten.
+Zusätzlich kann jeder Benutzer die Desktop-Navigation direkt an der rechten
+Kante zwischen 216 und 408 Pixeln breiter oder schmaler ziehen. Ein kleiner
+Pfeilgriff in der Mitte dieser Kante klappt sie auf einen reinen **Icon-Modus**
+ein und wieder aus. Dafür gibt es kein zusätzliches Bedienmenü. Beim Ziehen
+wird die neue Breite nach dem Loslassen im Benutzerprofil gespeichert. Im
+Icon-Modus öffnen sich die Menüinhalte als seitliches Flyout; auf kleinen
+beziehungsweise mobilen Ansichten bleibt das normale NetBox-Menü erhalten.
 
 **Zurücksetzen** stellt neben Reihenfolge und Sichtbarkeit auch die normale
 ausgeklappte Breite von 288 Pixeln wieder her.
diff --git a/netbox_utilities/__init__.py b/netbox_utilities/__init__.py
index 2e715f6..11dccfb 100644
--- a/netbox_utilities/__init__.py
+++ b/netbox_utilities/__init__.py
@@ -1,11 +1,13 @@
 from netbox.plugins import PluginConfig, get_plugin_config
 
+__version__ = "0.5.1"
+
 
 class NetBoxUtilitiesConfig(PluginConfig):
     name = "netbox_utilities"
     verbose_name = "NetBox Utilities"
     description = "Navigation, tenant filtering, bulk module installation, and atomic rack reordering"
-    version = "0.5.0"
+    version = __version__
     author = "LKE"
     base_url = "utilities"
     min_version = "4.6.5"
diff --git a/netbox_utilities/navigation_helpers.py b/netbox_utilities/navigation_helpers.py
index 39e5832..8d3c3a5 100644
--- a/netbox_utilities/navigation_helpers.py
+++ b/netbox_utilities/navigation_helpers.py
@@ -2,7 +2,6 @@ from netbox.navigation.menu import get_menus
 
 SIDEBAR_WIDTH_MIN = 216
 SIDEBAR_WIDTH_MAX = 408
-SIDEBAR_WIDTH_STEP = 24
 SIDEBAR_WIDTH_DEFAULT = 288
 
 
@@ -12,19 +11,15 @@ def normalize_sidebar_width(value):
     except (TypeError, ValueError):
         return SIDEBAR_WIDTH_DEFAULT
 
-    width = min(SIDEBAR_WIDTH_MAX, max(SIDEBAR_WIDTH_MIN, width))
-    steps = (width - SIDEBAR_WIDTH_MIN + SIDEBAR_WIDTH_STEP // 2) // SIDEBAR_WIDTH_STEP
-    return SIDEBAR_WIDTH_MIN + steps * SIDEBAR_WIDTH_STEP
+    return min(SIDEBAR_WIDTH_MAX, max(SIDEBAR_WIDTH_MIN, width))
 
 
-def update_sidebar_layout(collapsed, width, action):
+def update_sidebar_layout(collapsed, width, action, requested_width=None):
     width = normalize_sidebar_width(width)
     if action == "toggle":
         return not collapsed, width
-    if action == "smaller":
-        return collapsed, max(SIDEBAR_WIDTH_MIN, width - SIDEBAR_WIDTH_STEP)
-    if action == "larger":
-        return collapsed, min(SIDEBAR_WIDTH_MAX, width + SIDEBAR_WIDTH_STEP)
+    if action == "resize":
+        return False, normalize_sidebar_width(requested_width)
     raise ValueError("Unbekannte Navigationsaktion.")
 
 
diff --git a/netbox_utilities/static/netbox_utilities/navigation.js b/netbox_utilities/static/netbox_utilities/navigation.js
index f582171..8c83a14 100644
--- a/netbox_utilities/static/netbox_utilities/navigation.js
+++ b/netbox_utilities/static/netbox_utilities/navigation.js
@@ -16,10 +16,9 @@
   function normalizeWidth(value) {
     const minimum = Number(preferences.width_min) || 216;
     const maximum = Number(preferences.width_max) || 408;
-    const step = Number(preferences.width_step) || 24;
-    const requested = Number(value) || 288;
-    const snapped = minimum + Math.round((requested - minimum) / step) * step;
-    return Math.min(maximum, Math.max(minimum, snapped));
+    const requested = Number(value);
+    const width = Number.isFinite(requested) ? Math.round(requested) : 288;
+    return Math.min(maximum, Math.max(minimum, width));
   }
 
   function applyRootLayout() {
@@ -58,7 +57,8 @@
     sidebar.querySelectorAll(':scope > li.nav-item.dropdown > button.nav-link').forEach((button) => {
       if (preferences.collapsed) {
         button.dataset.netboxUtilitiesTitle = 'true';
-        button.title = button.getAttribute('aria-label') || '';
+        button.title =
+          button.getAttribute('aria-label') || button.querySelector('.nav-link-title')?.textContent.trim() || '';
         const menu = button.closest('.nav-item.dropdown')?.querySelector(':scope > .dropdown-menu.show');
         if (menu) {
           const top = Math.max(8, button.getBoundingClientRect().top);
@@ -94,111 +94,149 @@
     });
   }
 
-  function createControl(action, icon, label) {
-    const button = document.createElement('button');
-    button.type = 'button';
-    button.className = 'btn btn-sm btn-ghost-secondary netbox-utilities-sidebar-control';
-    button.dataset.action = action;
-    button.title = label;
-    button.setAttribute('aria-label', label);
-    const iconElement = document.createElement('i');
-    iconElement.className = `mdi ${icon}`;
-    iconElement.setAttribute('aria-hidden', 'true');
-    button.appendChild(iconElement);
-    return button;
+  async function saveLayout(action, width) {
+    const body = new URLSearchParams({action});
+    if (width !== undefined) body.set('width', String(width));
+    const response = await fetch(preferences.layout_update_url, {
+      method: 'POST',
+      credentials: 'same-origin',
+      headers: {
+        'Content-Type': 'application/x-www-form-urlencoded;charset=UTF-8',
+        'X-CSRFToken': preferences.csrf_token,
+      },
+      body,
+    });
+    if (!response.ok) throw new Error(`HTTP ${response.status}`);
+    return response.json();
   }
 
-  function updateControls(controls, sidebar, pending = false) {
-    const minimum = Number(preferences.width_min) || 216;
-    const maximum = Number(preferences.width_max) || 408;
-    const smaller = controls.querySelector('[data-action="smaller"]');
-    const larger = controls.querySelector('[data-action="larger"]');
-    const toggle = controls.querySelector('[data-action="toggle"]');
-    const toggleIcon = toggle.querySelector('i');
-
-    smaller.disabled = pending || preferences.collapsed || preferences.width <= minimum;
-    larger.disabled = pending || preferences.collapsed || preferences.width >= maximum;
-    toggle.disabled = pending;
-    toggleIcon.className = preferences.collapsed
-      ? 'mdi mdi-arrow-expand-right'
-      : 'mdi mdi-arrow-collapse-left';
-    const toggleLabel = preferences.collapsed ? 'Navigation ausklappen' : 'Navigation auf Icons einklappen';
-    toggle.title = toggleLabel;
-    toggle.setAttribute('aria-label', toggleLabel);
-    updateMenuTitles(sidebar);
-  }
-
-  function applyAction(action) {
-    const step = Number(preferences.width_step) || 24;
-    if (action === 'toggle') preferences.collapsed = !preferences.collapsed;
-    if (action === 'smaller') preferences.width = normalizeWidth(preferences.width - step);
-    if (action === 'larger') preferences.width = normalizeWidth(preferences.width + step);
-    applyRootLayout();
-  }
-
-  function addLayoutControls(sidebarMenu, sidebar) {
+  function addResizeHandle(sidebarElement, sidebar) {
     if (!preferences.layout_update_url || !preferences.csrf_token) return;
 
-    const controls = document.createElement('div');
-    controls.className = 'netbox-utilities-sidebar-controls';
-    controls.setAttribute('role', 'group');
-    controls.setAttribute('aria-label', 'Navigationsgröße');
-    controls.append(
-      createControl('smaller', 'mdi-minus', 'Navigation schmaler'),
-      createControl('toggle', 'mdi-arrow-collapse-left', 'Navigation auf Icons einklappen'),
-      createControl('larger', 'mdi-plus', 'Navigation breiter')
-    );
+    const handle = document.createElement('div');
+    handle.className = 'netbox-utilities-sidebar-resizer';
+    handle.tabIndex = 0;
+    handle.setAttribute('role', 'separator');
+    handle.setAttribute('aria-orientation', 'vertical');
+    handle.setAttribute('aria-label', 'Breite der Navigation ändern');
 
-    const releaseInfo = sidebarMenu.querySelector(':scope > .text-muted');
-    sidebarMenu.insertBefore(controls, releaseInfo || null);
-    updateControls(controls, sidebar);
+    const toggle = document.createElement('button');
+    toggle.type = 'button';
+    toggle.className = 'netbox-utilities-sidebar-toggle';
+    const toggleIcon = document.createElement('i');
+    toggleIcon.className = 'mdi';
+    toggleIcon.setAttribute('aria-hidden', 'true');
+    toggle.appendChild(toggleIcon);
+    handle.appendChild(toggle);
+    sidebarElement.appendChild(handle);
 
-    controls.addEventListener('click', async (event) => {
-      const button = event.target.closest('button[data-action]');
-      if (!button || button.disabled) return;
+    let resizing = false;
+    let previousLayout = null;
 
-      const previous = {collapsed: preferences.collapsed, width: preferences.width};
-      applyAction(button.dataset.action);
-      updateControls(controls, sidebar, true);
+    function updateHandle() {
+      const minimum = Number(preferences.width_min) || 216;
+      const maximum = Number(preferences.width_max) || 408;
+      handle.setAttribute('aria-valuemin', String(minimum));
+      handle.setAttribute('aria-valuemax', String(maximum));
+      handle.setAttribute('aria-valuenow', String(preferences.collapsed ? minimum : preferences.width));
+      const label = preferences.collapsed ? 'Navigation ausklappen' : 'Navigation auf Icons einklappen';
+      toggle.title = label;
+      toggle.setAttribute('aria-label', label);
+      toggleIcon.className = preferences.collapsed ? 'mdi mdi-chevron-right' : 'mdi mdi-chevron-left';
+      updateMenuTitles(sidebar);
+    }
 
+    function applyWidth(clientX) {
+      preferences.collapsed = false;
+      preferences.width = normalizeWidth(clientX);
+      applyRootLayout();
+      updateHandle();
+    }
+
+    async function persist(action, width, fallback) {
       try {
-        const response = await fetch(preferences.layout_update_url, {
-          method: 'POST',
-          credentials: 'same-origin',
-          headers: {
-            'Content-Type': 'application/x-www-form-urlencoded;charset=UTF-8',
-            'X-CSRFToken': preferences.csrf_token,
-          },
-          body: new URLSearchParams({action: button.dataset.action}),
-        });
-        if (!response.ok) throw new Error(`HTTP ${response.status}`);
-        const saved = await response.json();
+        const saved = await saveLayout(action, width);
         preferences.collapsed = Boolean(saved.collapsed);
         preferences.width = normalizeWidth(saved.width);
-        controls.classList.remove('text-danger');
-        controls.removeAttribute('title');
+        handle.classList.remove('netbox-utilities-sidebar-save-error');
+        handle.removeAttribute('data-save-error');
       } catch (error) {
-        preferences.collapsed = previous.collapsed;
-        preferences.width = previous.width;
-        controls.classList.add('text-danger');
-        controls.title = 'Die Navigationseinstellung konnte nicht gespeichert werden.';
+        preferences.collapsed = fallback.collapsed;
+        preferences.width = fallback.width;
+        handle.classList.add('netbox-utilities-sidebar-save-error');
+        handle.dataset.saveError = 'Die Navigationseinstellung konnte nicht gespeichert werden.';
         console.error('Could not save NetBox navigation layout', error);
       }
-
       applyRootLayout();
-      updateControls(controls, sidebar);
+      updateHandle();
+    }
+
+    toggle.addEventListener('click', async () => {
+      if (toggle.disabled) return;
+      const previous = {collapsed: preferences.collapsed, width: preferences.width};
+      preferences.collapsed = !preferences.collapsed;
+      applyRootLayout();
+      updateHandle();
+      toggle.disabled = true;
+      await persist('toggle', undefined, previous);
+      toggle.disabled = false;
     });
+
+    handle.addEventListener('pointerdown', (event) => {
+      if (event.target.closest('button')) return;
+      event.preventDefault();
+      resizing = true;
+      previousLayout = {collapsed: preferences.collapsed, width: preferences.width};
+      handle.setPointerCapture(event.pointerId);
+      root.classList.add('netbox-utilities-navigation-resizing');
+      applyWidth(event.clientX);
+    });
+
+    handle.addEventListener('pointermove', (event) => {
+      if (resizing) applyWidth(event.clientX);
+    });
+
+    async function finishResize(event) {
+      if (!resizing) return;
+      resizing = false;
+      if (handle.hasPointerCapture(event.pointerId)) handle.releasePointerCapture(event.pointerId);
+      root.classList.remove('netbox-utilities-navigation-resizing');
+      const fallback = previousLayout;
+      previousLayout = null;
+      await persist('resize', preferences.width, fallback);
+    }
+
+    handle.addEventListener('pointerup', finishResize);
+    handle.addEventListener('pointercancel', finishResize);
+
+    handle.addEventListener('keydown', async (event) => {
+      const minimum = Number(preferences.width_min) || 216;
+      const maximum = Number(preferences.width_max) || 408;
+      const directions = {ArrowLeft: -16, ArrowRight: 16};
+      let width;
+      if (event.key in directions) width = preferences.width + directions[event.key];
+      if (event.key === 'Home') width = minimum;
+      if (event.key === 'End') width = maximum;
+      if (width === undefined) return;
+      event.preventDefault();
+      const previous = {collapsed: preferences.collapsed, width: preferences.width};
+      applyWidth(width);
+      await persist('resize', preferences.width, previous);
+    });
+
+    updateHandle();
   }
 
   function initializeNavigation() {
     const sidebarMenu = document.getElementById('sidebar-menu');
     const sidebar = document.querySelector('#sidebar-menu > ul.navbar-nav');
-    if (!sidebarMenu || !sidebar) return;
+    const sidebarElement = document.querySelector('.page > aside.navbar-vertical.navbar-expand-lg');
+    if (!sidebarMenu || !sidebar || !sidebarElement) return;
 
     applyMenuPreferences(sidebar);
     updateMenuTitles(sidebar);
     configureCollapsedDropdowns(sidebar);
-    addLayoutControls(sidebarMenu, sidebar);
+    addResizeHandle(sidebarElement, sidebar);
   }
 
   applyRootLayout();
diff --git a/netbox_utilities/static/netbox_utilities/netbox_utilities.css b/netbox_utilities/static/netbox_utilities/netbox_utilities.css
index f410f21..b156873 100644
--- a/netbox_utilities/static/netbox_utilities/netbox_utilities.css
+++ b/netbox_utilities/static/netbox_utilities/netbox_utilities.css
@@ -10,7 +10,7 @@
   white-space: nowrap;
 }
 
-.netbox-utilities-sidebar-controls {
+.netbox-utilities-sidebar-resizer {
   display: none;
 }
 
@@ -38,24 +38,77 @@
     width: var(--netbox-utilities-sidebar-effective-width);
   }
 
-  .netbox-utilities-sidebar-controls {
-    position: sticky;
-    bottom: 0.5rem;
-    z-index: 2;
-    display: flex;
-    justify-content: center;
-    gap: 0.25rem;
-    margin: 0.75rem;
-    padding: 0.35rem;
-    border: 1px solid var(--tblr-border-color-translucent);
-    border-radius: var(--tblr-border-radius);
-    background: var(--tblr-bg-surface);
-    box-shadow: var(--tblr-box-shadow-sm);
+  .netbox-utilities-sidebar-resizer {
+    position: fixed;
+    top: 0;
+    bottom: 0;
+    left: calc(var(--netbox-utilities-sidebar-effective-width) - 5px);
+    z-index: 1045;
+    display: block;
+    width: 10px;
+    cursor: col-resize;
+    touch-action: none;
+    outline: 0;
+    transition: left 160ms ease;
   }
 
-  .netbox-utilities-sidebar-control {
-    flex: 0 1 3rem;
-    padding-inline: 0.5rem;
+  .netbox-utilities-sidebar-resizer::before {
+    position: absolute;
+    top: 0;
+    bottom: 0;
+    left: 4px;
+    width: 2px;
+    content: '';
+    background: transparent;
+    transition: background-color 120ms ease;
+  }
+
+  .netbox-utilities-sidebar-resizer:hover::before,
+  .netbox-utilities-sidebar-resizer:focus-visible::before,
+  html.netbox-utilities-navigation-resizing .netbox-utilities-sidebar-resizer::before {
+    background: var(--tblr-primary);
+  }
+
+  .netbox-utilities-sidebar-toggle {
+    position: absolute;
+    top: 50%;
+    left: 50%;
+    display: grid;
+    width: 24px;
+    height: 44px;
+    padding: 0;
+    color: var(--tblr-secondary-color);
+    cursor: pointer;
+    background: var(--tblr-bg-surface);
+    border: 1px solid var(--tblr-border-color);
+    border-radius: 0 var(--tblr-border-radius) var(--tblr-border-radius) 0;
+    box-shadow: var(--tblr-box-shadow-sm);
+    transform: translate(0, -50%);
+    place-items: center;
+  }
+
+  .netbox-utilities-sidebar-toggle:hover,
+  .netbox-utilities-sidebar-toggle:focus-visible {
+    color: var(--tblr-primary);
+    border-color: var(--tblr-primary);
+    outline: 0;
+  }
+
+  .netbox-utilities-sidebar-save-error::before {
+    background: var(--tblr-danger) !important;
+  }
+
+  html.netbox-utilities-navigation-resizing,
+  html.netbox-utilities-navigation-resizing body {
+    cursor: col-resize !important;
+    user-select: none;
+  }
+
+  html.netbox-utilities-navigation-resizing .page > aside.navbar-vertical.navbar-expand-lg,
+  html.netbox-utilities-navigation-resizing .page > aside.navbar-vertical.navbar-expand-lg ~ .navbar,
+  html.netbox-utilities-navigation-resizing .page > aside.navbar-vertical.navbar-expand-lg ~ .page-wrapper,
+  html.netbox-utilities-navigation-resizing .netbox-utilities-sidebar-resizer {
+    transition: none;
   }
 
   html.netbox-utilities-navigation-collapsed .navbar-vertical.navbar-expand-lg > .container-fluid {
@@ -105,19 +158,17 @@
     box-shadow: var(--tblr-box-shadow-lg);
   }
 
-  html.netbox-utilities-navigation-collapsed .netbox-utilities-sidebar-controls {
-    margin-inline: 0;
-  }
-
-  html.netbox-utilities-navigation-collapsed .netbox-utilities-sidebar-control:not([data-action="toggle"]) {
-    display: none;
+  html.netbox-utilities-navigation-collapsed .netbox-utilities-sidebar-resizer {
+    cursor: e-resize;
   }
 }
 
 @media (prefers-reduced-motion: reduce) {
   html.netbox-utilities-navigation-layout .page > aside.navbar-vertical.navbar-expand-lg,
   html.netbox-utilities-navigation-layout .page > aside.navbar-vertical.navbar-expand-lg ~ .navbar,
-  html.netbox-utilities-navigation-layout .page > aside.navbar-vertical.navbar-expand-lg ~ .page-wrapper {
+  html.netbox-utilities-navigation-layout .page > aside.navbar-vertical.navbar-expand-lg ~ .page-wrapper,
+  .netbox-utilities-sidebar-resizer,
+  .netbox-utilities-sidebar-resizer::before {
     transition: none;
   }
 }
diff --git a/netbox_utilities/template_content.py b/netbox_utilities/template_content.py
index 7365f5d..7e8758f 100644
--- a/netbox_utilities/template_content.py
+++ b/netbox_utilities/template_content.py
@@ -4,12 +4,12 @@ from django.urls import reverse
 from netbox.plugins import PluginTemplateExtension
 from tenancy.models import Tenant, TenantGroup
 
+from . import __version__
 from .models import NavigationPreference
 from .navigation_helpers import (
     SIDEBAR_WIDTH_DEFAULT,
     SIDEBAR_WIDTH_MAX,
     SIDEBAR_WIDTH_MIN,
-    SIDEBAR_WIDTH_STEP,
     get_visible_menus,
     normalize_preferences,
     normalize_sidebar_width,
@@ -43,7 +43,6 @@ class UtilitiesGlobalContent(PluginTemplateExtension):
                 "width": normalize_sidebar_width(preference.sidebar_width if preference else SIDEBAR_WIDTH_DEFAULT),
                 "width_min": SIDEBAR_WIDTH_MIN,
                 "width_max": SIDEBAR_WIDTH_MAX,
-                "width_step": SIDEBAR_WIDTH_STEP,
                 "layout_update_url": reverse("plugins:netbox_utilities:navigation_layout"),
                 "csrf_token": get_token(request),
             }
@@ -52,6 +51,7 @@ class UtilitiesGlobalContent(PluginTemplateExtension):
             {
                 "navigation_enabled": request.user.is_authenticated and navigation_customization_enabled(),
                 "navigation_preferences": preference_data,
+                "asset_version": __version__,
             },
         )
 
diff --git a/netbox_utilities/templates/netbox_utilities/head.html b/netbox_utilities/templates/netbox_utilities/head.html
index 80441ea..503550a 100644
--- a/netbox_utilities/templates/netbox_utilities/head.html
+++ b/netbox_utilities/templates/netbox_utilities/head.html
@@ -1,6 +1,6 @@
 {% load static %}
-<link rel="stylesheet" href="{% static 'netbox_utilities/netbox_utilities.css' %}">
+<link rel="stylesheet" href="{% static 'netbox_utilities/netbox_utilities.css' %}?v={{ asset_version }}">
 {% if navigation_enabled %}
   {{ navigation_preferences|json_script:"netbox-utilities-navigation-data" }}
-  <script src="{% static 'netbox_utilities/navigation.js' %}" defer></script>
+  <script src="{% static 'netbox_utilities/navigation.js' %}?v={{ asset_version }}" defer></script>
 {% endif %}
diff --git a/netbox_utilities/templates/netbox_utilities/navigation_preferences.html b/netbox_utilities/templates/netbox_utilities/navigation_preferences.html
index 75d9f15..aa7e19a 100644
--- a/netbox_utilities/templates/netbox_utilities/navigation_preferences.html
+++ b/netbox_utilities/templates/netbox_utilities/navigation_preferences.html
@@ -22,46 +22,11 @@
             </div>
           {% else %}
             <p class="text-secondary">
-              Passe Breite und Darstellung an, verschiebe Menüs mit den Pfeilen und blende nicht benötigte Bereiche aus.
+              Verschiebe Menüs mit den Pfeilen und blende nicht benötigte Bereiche aus.
               Berechtigungen von NetBox werden dadurch nicht verändert.
             </p>
             <form method="post" id="navigation-preferences-form">
               {% csrf_token %}
-              <fieldset class="border rounded p-3 mb-4">
-                <legend class="float-none w-auto px-2 fs-4 mb-2">Darstellung</legend>
-                <div class="form-check form-switch mb-3">
-                  <input
-                    class="form-check-input"
-                    type="checkbox"
-                    role="switch"
-                    id="sidebar-collapsed"
-                    name="sidebar_collapsed"
-                    {% if sidebar_collapsed %}checked{% endif %}
-                  >
-                  <label class="form-check-label fw-medium" for="sidebar-collapsed">
-                    Eingeklappt – nur Hauptmenü-Icons anzeigen
-                  </label>
-                </div>
-                <label class="form-label fw-medium" for="sidebar-width">
-                  Breite im ausgeklappten Zustand:
-                  <output id="sidebar-width-output" for="sidebar-width">{{ sidebar_width }} px</output>
-                </label>
-                <input
-                  class="form-range"
-                  type="range"
-                  id="sidebar-width"
-                  name="sidebar_width"
-                  min="{{ sidebar_width_min }}"
-                  max="{{ sidebar_width_max }}"
-                  step="{{ sidebar_width_step }}"
-                  value="{{ sidebar_width }}"
-                >
-                <div class="d-flex justify-content-between text-secondary small">
-                  <span>Kleiner</span>
-                  <span>Standard: 288 px</span>
-                  <span>Größer</span>
-                </div>
-              </fieldset>
               <div class="list-group mb-3" id="navigation-menu-editor">
                 {% for menu in menus %}
                   <div class="list-group-item d-flex align-items-center gap-3 navigation-menu-row">
@@ -119,14 +84,6 @@
           }
         });
       }
-
-      const width = document.getElementById('sidebar-width');
-      const output = document.getElementById('sidebar-width-output');
-      if (width && output) {
-        width.addEventListener('input', () => {
-          output.value = `${width.value} px`;
-        });
-      }
     })();
   </script>
 {% endblock content %}
diff --git a/netbox_utilities/tests/test_navigation_helpers.py b/netbox_utilities/tests/test_navigation_helpers.py
index e6ed11d..c0521d7 100644
--- a/netbox_utilities/tests/test_navigation_helpers.py
+++ b/netbox_utilities/tests/test_navigation_helpers.py
@@ -29,11 +29,11 @@ class NormalizePreferencesTest(SimpleTestCase):
 
 
 class SidebarLayoutTest(SimpleTestCase):
-    def test_normalizes_width_to_supported_steps(self):
+    def test_clamps_width_without_discrete_steps(self):
         self.assertEqual(normalize_sidebar_width(None), SIDEBAR_WIDTH_DEFAULT)
         self.assertEqual(normalize_sidebar_width(100), SIDEBAR_WIDTH_MIN)
         self.assertEqual(normalize_sidebar_width(500), SIDEBAR_WIDTH_MAX)
-        self.assertEqual(normalize_sidebar_width(300), 312)
+        self.assertEqual(normalize_sidebar_width(300), 300)
 
     def test_toggles_icon_only_mode(self):
         collapsed, width = update_sidebar_layout(False, SIDEBAR_WIDTH_DEFAULT, "toggle")
@@ -41,12 +41,15 @@ class SidebarLayoutTest(SimpleTestCase):
         self.assertTrue(collapsed)
         self.assertEqual(width, SIDEBAR_WIDTH_DEFAULT)
 
-    def test_resizes_within_limits(self):
-        self.assertEqual(update_sidebar_layout(False, SIDEBAR_WIDTH_MIN, "smaller")[1], SIDEBAR_WIDTH_MIN)
-        self.assertEqual(update_sidebar_layout(False, SIDEBAR_WIDTH_MAX, "larger")[1], SIDEBAR_WIDTH_MAX)
-        self.assertLess(
-            update_sidebar_layout(False, SIDEBAR_WIDTH_DEFAULT, "smaller")[1],
-            SIDEBAR_WIDTH_DEFAULT,
+    def test_resizes_continuously_within_limits_and_expands(self):
+        self.assertEqual(update_sidebar_layout(True, SIDEBAR_WIDTH_DEFAULT, "resize", 301), (False, 301))
+        self.assertEqual(
+            update_sidebar_layout(False, SIDEBAR_WIDTH_DEFAULT, "resize", 100),
+            (False, SIDEBAR_WIDTH_MIN),
+        )
+        self.assertEqual(
+            update_sidebar_layout(False, SIDEBAR_WIDTH_DEFAULT, "resize", 500),
+            (False, SIDEBAR_WIDTH_MAX),
         )
 
     def test_rejects_unknown_action(self):
diff --git a/netbox_utilities/tests/test_navigation_views.py b/netbox_utilities/tests/test_navigation_views.py
index f67e365..d6f01d1 100644
--- a/netbox_utilities/tests/test_navigation_views.py
+++ b/netbox_utilities/tests/test_navigation_views.py
@@ -25,6 +25,24 @@ class NavigationLayoutViewTest(SimpleTestCase):
         self.assertTrue(preference.sidebar_collapsed)
         preference.save.assert_called_once_with(update_fields=("sidebar_collapsed", "sidebar_width", "updated"))
 
+    @patch("netbox_utilities.views.navigation_customization_enabled", return_value=True)
+    @patch("netbox_utilities.views.NavigationPreference.objects.get_or_create")
+    def test_saves_continuously_resized_width(self, get_or_create, _feature_enabled):
+        preference = MagicMock(sidebar_collapsed=True, sidebar_width=288)
+        get_or_create.return_value = (preference, False)
+        request = self.factory.post(
+            "/plugins/utilities/navigation/layout/",
+            {"action": "resize", "width": "317"},
+        )
+        request.user = MagicMock()
+
+        response = NavigationLayoutView().post(request)
+
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(json.loads(response.content), {"collapsed": False, "width": 317})
+        self.assertFalse(preference.sidebar_collapsed)
+        self.assertEqual(preference.sidebar_width, 317)
+
     @patch("netbox_utilities.views.navigation_customization_enabled", return_value=True)
     @patch("netbox_utilities.views.NavigationPreference.objects.get_or_create")
     def test_rejects_unknown_layout_action(self, get_or_create, _feature_enabled):
diff --git a/netbox_utilities/views.py b/netbox_utilities/views.py
index 3a0ea59..d86bc0a 100644
--- a/netbox_utilities/views.py
+++ b/netbox_utilities/views.py
@@ -20,12 +20,8 @@ from .models import NavigationPreference, UtilitiesSettings
 from .module_installation import BulkModuleInstallError, install_modules
 from .navigation_helpers import (
     SIDEBAR_WIDTH_DEFAULT,
-    SIDEBAR_WIDTH_MAX,
-    SIDEBAR_WIDTH_MIN,
-    SIDEBAR_WIDTH_STEP,
     get_visible_menus,
     normalize_preferences,
-    normalize_sidebar_width,
     update_sidebar_layout,
 )
 from .runtime import (
@@ -137,8 +133,6 @@ class NavigationPreferencesView(LoginRequiredMixin, View):
             )
             preference.menu_order = order
             preference.hidden_menus = hidden
-            preference.sidebar_collapsed = request.POST.get("sidebar_collapsed") == "on"
-            preference.sidebar_width = normalize_sidebar_width(request.POST.get("sidebar_width"))
         preference.save()
         messages.success(request, "Die persönliche Navigation wurde gespeichert.")
         return redirect("plugins:netbox_utilities:navigation_preferences")
@@ -159,13 +153,6 @@ class NavigationPreferencesView(LoginRequiredMixin, View):
             {
                 "menus": menus,
                 "feature_enabled": navigation_customization_enabled(),
-                "sidebar_collapsed": preference.sidebar_collapsed if preference else False,
-                "sidebar_width": normalize_sidebar_width(
-                    preference.sidebar_width if preference else SIDEBAR_WIDTH_DEFAULT
-                ),
-                "sidebar_width_min": SIDEBAR_WIDTH_MIN,
-                "sidebar_width_max": SIDEBAR_WIDTH_MAX,
-                "sidebar_width_step": SIDEBAR_WIDTH_STEP,
             },
         )
 
@@ -183,6 +170,7 @@ class NavigationLayoutView(LoginRequiredMixin, View):
                 preference.sidebar_collapsed,
                 preference.sidebar_width,
                 request.POST.get("action"),
+                request.POST.get("width"),
             )
         except ValueError as error:
             return HttpResponseBadRequest(str(error))
diff --git a/pyproject.toml b/pyproject.toml
index 654469a..e61f023 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "netbox-utilities"
-version = "0.5.0"
+version = "0.5.1"
 description = "Navigation, tenant filtering, bulk module installation, and atomic rack reordering for NetBox 4.6"
 readme = "README.md"
 requires-python = ">=3.12"