diff --git a/CLAUDE.md b/CLAUDE.md
index a7c2285..ead826e 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -65,12 +65,13 @@ The extension exposes these REST endpoints:
 - Active note tracking with tab highlighting
 - Content persistence across sidebar open/close cycles
 - Real-time tab rendering on note operations
-- Button layout: Save/Rename/LoRA submenu on left, Refresh/Delete on right
+- Button layout: Save/Rename/LoRA submenu on left, Delete on right, Zoom in/out and Refresh in tabs area
 - **Search Functionality**: Live search through note content with highlighted results and line navigation
 - **Unsaved Changes Tracking**: Visual indicators (*) for modified notes
 - **Content Preservation**: Tab switching preserves unsaved content
 - **Change Detection**: Automatic tracking of modifications vs saved state
 - **Append Integration**: Submenu with three formatting options for appending LoRA lists (extensible for other content types)
+- **Font Size Control**: Zoom in/out buttons with persistent settings storage (8-24px range)
 
 ### Search Functionality
 - **Search Input**: Located below button container with "Search lines..." placeholder
diff --git a/js/extension.js b/js/extension.js
index 64b4f99..563df44 100644
--- a/js/extension.js
+++ b/js/extension.js
@@ -24,6 +24,8 @@ class NotesSidebar {
         this.searchResults = null;
         this.isInitialized = false;
         this.sidebarElement = null;
+        this.currentFontSize = app.extensionManager.setting.get('Notes Sidebar.Font Size') || 14;
+        this.leftButtonContainer = null;
 
         // Listen to state changes
         this.store.addEventListener('stateChanged', (event) => {
@@ -162,15 +164,41 @@ class NotesSidebar {
 
         this.tabsContainer.appendChild(newTabBtn);
 
-        // Right side: refresh button
+        // Right side: zoom controls and refresh button
+        const rightControls = document.createElement('div');
+        rightControls.style.display = 'flex';
+        rightControls.style.gap = '10px';
+
+        // Zoom button group
+        const zoomButtonGroup = document.createElement('div');
+        zoomButtonGroup.className = 'notes-button-group';
+
+        const zoomOutBtn = document.createElement('button');
+        zoomOutBtn.innerHTML = '<i class="pi pi-search-minus"></i>';
+        zoomOutBtn.className = 'notes-btn';
+        zoomOutBtn.title = 'Zoom Out';
+        zoomOutBtn.onclick = () => this.zoomOut();
+
+        const zoomInBtn = document.createElement('button');
+        zoomInBtn.innerHTML = '<i class="pi pi-search-plus"></i>';
+        zoomInBtn.className = 'notes-btn';
+        zoomInBtn.title = 'Zoom In';
+        zoomInBtn.onclick = () => this.zoomIn();
+
+        zoomButtonGroup.appendChild(zoomOutBtn);
+        zoomButtonGroup.appendChild(zoomInBtn);
+
         const refreshBtn = document.createElement('button');
         refreshBtn.innerHTML = '<i class="pi pi-refresh"></i>';
         refreshBtn.className = 'notes-btn refresh';
         refreshBtn.title = 'Refresh';
         refreshBtn.onclick = () => this.refreshNotes();
 
+        rightControls.appendChild(zoomButtonGroup);
+        rightControls.appendChild(refreshBtn);
+
         tabsWrapper.appendChild(this.tabsContainer);
-        tabsWrapper.appendChild(refreshBtn);
+        tabsWrapper.appendChild(rightControls);
         parent.appendChild(tabsWrapper);
     }
 
@@ -178,8 +206,8 @@ class NotesSidebar {
         const buttonContainer = document.createElement('div');
         buttonContainer.className = 'notes-button-container';
 
-        const leftButtonContainer = document.createElement('div');
-        leftButtonContainer.className = 'notes-button-group';
+        this.leftButtonContainer = document.createElement('div');
+        this.leftButtonContainer.className = 'notes-button-group';
 
         const rightButtonContainer = document.createElement('div');
         rightButtonContainer.className = 'notes-button-group';
@@ -205,12 +233,12 @@ class NotesSidebar {
         this.deleteBtn.onclick = () => this.deleteActiveNote();
         this.deleteBtn.disabled = true;
 
-        leftButtonContainer.appendChild(this.saveBtn);
-        leftButtonContainer.appendChild(this.renameBtn);
+        this.leftButtonContainer.appendChild(this.saveBtn);
+        this.leftButtonContainer.appendChild(this.renameBtn);
         // Append menu will be added later after textarea is created
         rightButtonContainer.appendChild(this.deleteBtn);
 
-        buttonContainer.appendChild(leftButtonContainer);
+        buttonContainer.appendChild(this.leftButtonContainer);
         buttonContainer.appendChild(rightButtonContainer);
 
         parent.appendChild(buttonContainer);
@@ -254,6 +282,9 @@ class NotesSidebar {
         this.textArea.className = 'notes-textarea';
         this.textArea.placeholder = 'Select a note to start editing...';
 
+        // Apply saved font size
+        this.updateFontSize();
+
         // Initialize as disabled (will be enabled reactively if there's an active note)
         this.textArea.disabled = true;
 
@@ -267,9 +298,8 @@ class NotesSidebar {
         this.appendMenu = new AppendMenu(this.textArea, () => this.onTextAreaChange());
 
         // Add append menu to the left button container
-        const leftButtonContainer = this.sidebarElement.querySelector('.notes-button-group');
-        if (leftButtonContainer) {
-            leftButtonContainer.appendChild(this.appendMenu.createMenuElements());
+        if (this.leftButtonContainer) {
+            this.leftButtonContainer.appendChild(this.appendMenu.createMenuElements());
         }
 
         this.contentArea.appendChild(this.textArea);
@@ -599,6 +629,28 @@ class NotesSidebar {
         });
     }
 
+    zoomIn() {
+        if (this.currentFontSize < 24) { // Max font size
+            this.currentFontSize += 1;
+            this.updateFontSize();
+        }
+    }
+
+    zoomOut() {
+        if (this.currentFontSize > 8) { // Min font size
+            this.currentFontSize -= 1;
+            this.updateFontSize();
+        }
+    }
+
+    updateFontSize() {
+        if (this.textArea) {
+            this.textArea.style.fontSize = `${this.currentFontSize}px`;
+        }
+        // Save to settings
+        app.extensionManager.setting.set('Notes Sidebar.Font Size', this.currentFontSize);
+    }
+
 }
 
 
@@ -617,6 +669,17 @@ app.registerExtension({
                 { value: "both", text: "Ctrl+S (note + workflow)" }
             ],
             defaultValue: "note_only"
+        },
+        {
+            id: "Notes Sidebar.Font Size",
+            name: "Notes Font Size",
+            type: "slider",
+            attrs: {
+                min: 8,
+                max: 24,
+                step: 1
+            },
+            defaultValue: 14
         }
     ],
     async setup() {
diff --git a/js/notes-sidebar.css b/js/notes-sidebar.css
index b3e89aa..6f3318b 100644
--- a/js/notes-sidebar.css
+++ b/js/notes-sidebar.css
@@ -142,6 +142,23 @@
     border-right: none;
 }
 
+.notes-btn:first-child {
+    border-top-left-radius: 4px;
+    border-bottom-left-radius: 4px;
+}
+
+.notes-btn:last-child {
+    border-top-right-radius: 4px;
+    border-bottom-right-radius: 4px;
+}
+
+.notes-submenu-container:last-child .notes-btn {
+    border-top-left-radius: 0px;
+    border-bottom-left-radius: 0px;
+    border-top-right-radius: 4px;
+    border-bottom-right-radius: 4px;
+}
+
 /* Refresh button is standalone and needs group-like styling */
 .notes-btn.refresh {
     border: 1px solid #444;
@@ -154,14 +171,11 @@
     display: inline-block;
 }
 
-.notes-submenu-container .notes-btn {
-    border-right: 1px solid #444;
-}
-
-.notes-submenu-container .notes-btn:last-child {
+.notes-submenu-container:last-child .notes-btn {
     border-right: none;
 }
 
+
 .notes-submenu {
     position: absolute;
     top: calc(100% + 2px);