diff --git a/README.md b/README.md
index 3677716..86a7461 100644
--- a/README.md
+++ b/README.md
@@ -43,6 +43,7 @@ When you type in a text input area, tags that partially match the text are displ
 - Tags that have already been entered are displayed grayed out.
 - You can display Danbooru and e621 tags at the same time. You can also change the priority from the settings.
 - Supports autocomplete for Lora and Embedding inputs. You can enable/disable this feature in the settings.
+- Clicking the 📖 icon opens the tag's Wiki page. If a tag is selected via keyboard, you can open it with the `F1` key.
 
 ## Related Tags
 
@@ -53,6 +54,7 @@ When you select any tag in a text input area, a list of highly related tags is d
 - The display position is primarily at the bottom of the text area and automatically adjusts vertically based on available space.
   - You can switch between vertical and horizontal display positions using the "↕️|↔️" button in the header.
 - You can toggle the pinned state of the displayed related tags using the "📌|🎯" button in the header. To close the UI when pinned, press the Esc key.
+- Clicking the tag in the header opens the tag's Wiki page.
 - Tags that have already been entered are displayed grayed out. If you try to insert a grayed-out tag, the already entered tag will instead be selected.
 - You can display related tags for the cursor position by pressing `Ctrl+Shift+Space`.
 
@@ -187,6 +189,7 @@ For example, by preparing the following CSV, you can quickly insert correspondin
 - **Auto Format Trigger**: Choose when formatting is applied.
   - **Auto**: Format automatically when leaving text field
   - **Manual**: Format only via keyboard shortcut (default: `Alt+Shift+F`)
+- **Use Trailing Comma**: If enabled, ensures all lines end with a trailing comma when formatting. If disabled, removes trailing commas.
 
 ## Advanced Settings
 
diff --git a/docs/README_jp.md b/docs/README_jp.md
index 33e4c58..02efd46 100644
--- a/docs/README_jp.md
+++ b/docs/README_jp.md
@@ -41,6 +41,7 @@
 - 入力済みのタグはグレーアウトで表示されます
 - Danbooruとe621のタグを同時に表示出来ます。設定から優先順位を変更できます
 - LoraとEmbeddingの入力補完に対応しています。設定から有効・無効を切り替えられます
+- 「📖」アイコンをクリックするとタグのWikiページを開きます。キーボードで選択中の場合は `F1` キーで開くことが出来ます
 
 ## 関連タグ
 
@@ -51,6 +52,7 @@
 - 表示位置は、テキストエリアの下部を基本とし、空きスペースに応じて上下に自動調整されます
   - ヘッダーの「↕️|↔️」ボタンで上下と左右の表示位置に切り替えられます
 - ヘッダーの「📌|🎯」ボタンで表示する関連タグの固定状態を切り替えられます。固定状態で閉じたい場合はEscキーを押します
+- ヘッダーのタグをクリックするとタグのWikiページを開きます
 - 入力済みのタグはグレーアウトで表示されます。グレーアウトしたタグを挿入しようとした場合、代わりに入力済みのタグを選択状態にします
 - `Ctrl+Shift+Space` キーでカーソル位置の関連タグを表示できます
 
@@ -185,6 +187,7 @@ worst_quality,5,9999999,
 - **Auto Format Trigger**: フォーマットを適用するタイミングを選択します
   - **自動**: テキスト欄からフォーカスが外れた際に自動でフォーマットします
   - **手動**: キーボードショートカットでのみフォーマットします（デフォルト: `Alt+Shift+F`）
+- **行末にカンマを使用**: 有効にすると、フォーマット時にすべての行末がカンマで終わるようになります。\n無効にすると行末のカンマが削除されます
 
 ## 上級者向け設定
 
diff --git a/locales/en/settings.json b/locales/en/settings.json
index 49597ba..f7ea594 100644
--- a/locales/en/settings.json
+++ b/locales/en/settings.json
@@ -79,6 +79,10 @@
             "manual": "Manual"
         }
     },
+    "AutocompletePlus_AutoFormatter_UseTrailingComma": {
+        "name": "Use Trailing Comma",
+        "tooltip": "When enabled, ensures all lines end with a trailing comma.\nWhen disabled, removes trailing commas."
+    },
     "AutocompletePlus_AutoFormatter_EnableAutoFormat": {
         "name": "Enable Auto Format"
     }
diff --git a/locales/ja/settings.json b/locales/ja/settings.json
index d853d1e..2739ede 100644
--- a/locales/ja/settings.json
+++ b/locales/ja/settings.json
@@ -79,6 +79,10 @@
             "manual": "手動"
         }
     },
+    "AutocompletePlus_AutoFormatter_UseTrailingComma": {
+        "name": "行末にカンマを使用",
+        "tooltip": "有効にすると、すべての行末がカンマで終わるようになります。\n無効にすると行末のカンマが削除されます。"
+    },
     "AutocompletePlus_AutoFormatter_EnableAutoFormat": {
         "name": "自動フォーマット機能の有効化"
     }
diff --git a/locales/zh-TW/settings.json b/locales/zh-TW/settings.json
index 5f18774..b0d930c 100644
--- a/locales/zh-TW/settings.json
+++ b/locales/zh-TW/settings.json
@@ -79,6 +79,10 @@
             "manual": "手動"
         }
     },
+    "AutocompletePlus_AutoFormatter_UseTrailingComma": {
+        "name": "在行末添加逗號",
+        "tooltip": "啟用時，確保所有行都以逗號結尾。\n停用時，移除結尾逗號。"
+    },
     "AutocompletePlus_AutoFormatter_EnableAutoFormat": {
         "name": "啟用自動格式化"
     }
diff --git a/locales/zh/settings.json b/locales/zh/settings.json
index e9b9b58..7cb56b7 100644
--- a/locales/zh/settings.json
+++ b/locales/zh/settings.json
@@ -79,6 +79,10 @@
             "manual": "手动"
         }
     },
+    "AutocompletePlus_AutoFormatter_UseTrailingComma": {
+        "name": "在行末添加逗号",
+        "tooltip": "启用时，确保所有行都以逗号结尾。\n禁用时，移除结尾逗号。"
+    },
     "AutocompletePlus_AutoFormatter_EnableAutoFormat": {
         "name": "启用自动格式化"
     }
diff --git a/tests/js/auto-formatter.test.js b/tests/js/auto-formatter.test.js
index a4beff4..02cda10 100644
--- a/tests/js/auto-formatter.test.js
+++ b/tests/js/auto-formatter.test.js
@@ -2,6 +2,7 @@ import {
     formatPromptText,
     __test__
 } from "../../web/js/auto-formatter.js";
+import { settingValues } from "../../web/js/settings.js";
 
 const {
     shouldAutoFormat
@@ -44,37 +45,102 @@ describe('AutoFormatter Functions', () => {
     });
 
     describe('formatPromptText', () => {
-        test('should format text by adding comma and space after tags', () => {
-            const input = 'tag1,tag2,tag3';
-            const expected = 'tag1, tag2, tag3, ';
-            expect(formatPromptText(input)).toBe(expected);
-        });
+        // Store original setting value to restore after tests
+        const originalUseTrailingComma = settingValues.useTrailingComma;
 
-        test('should remove extra spaces around tags', () => {
-            const input = '  tag1  ,  tag2  ';
-            const expected = 'tag1, tag2, ';
-            expect(formatPromptText(input)).toBe(expected);
+        afterEach(() => {
+            // Restore original setting after each test
+            settingValues.useTrailingComma = originalUseTrailingComma;
         });
 
-        test('should preserve special syntax like weights', () => {
-            const input = '(tag1:1.2), [tag2]';
-            // Note: The current implementation splits by comma.
-            // If the input is "(tag1:1.2), [tag2]", it splits into "(tag1:1.2)" and "[tag2]".
-            // Then joins with ", ".
-            const expected = '(tag1:1.2), [tag2], ';
-            expect(formatPromptText(input)).toBe(expected);
-        });
+        describe('with useTrailingComma enabled', () => {
+            beforeEach(() => {
+                settingValues.useTrailingComma = true;
+            });
+
+            test('should format text by adding comma and space after tags', () => {
+                const input = 'tag1,tag2,tag3';
+                const expected = 'tag1, tag2, tag3, ';
+                expect(formatPromptText(input)).toBe(expected);
+            });
+
+            test('should remove extra spaces around tags', () => {
+                const input = '  tag1  ,  tag2  ';
+                const expected = 'tag1, tag2, ';
+                expect(formatPromptText(input)).toBe(expected);
+            });
+
+            test('should preserve special syntax like weights', () => {
+                const input = '(tag1:1.2), [tag2]';
+                // Note: The current implementation splits by comma.
+                // If the input is "(tag1:1.2), [tag2]", it splits into "(tag1:1.2)" and "[tag2]".
+                // Then joins with ", ".
+                const expected = '(tag1:1.2), [tag2], ';
+                expect(formatPromptText(input)).toBe(expected);
+            });
+
+            test('should handle multiple lines', () => {
+                const input = 'tag1, tag2\ntag3, tag4';
+                const expected = 'tag1, tag2, \ntag3, tag4, ';
+                expect(formatPromptText(input)).toBe(expected);
+            });
+
+            test('should keep empty lines unchanged', () => {
+                const input = 'tag1, tag2\n\ntag3, tag4';
+                const expected = 'tag1, tag2, \n\ntag3, tag4, ';
+                expect(formatPromptText(input)).toBe(expected);
+            });
 
-        test('should handle multiple lines', () => {
-            const input = 'tag1, tag2\ntag3, tag4';
-            const expected = 'tag1, tag2, \ntag3, tag4, ';
-            expect(formatPromptText(input)).toBe(expected);
+            test('should not modify text that already has trailing comma', () => {
+                const input = 'tag1, tag2, ';
+                const expected = 'tag1, tag2, ';
+                expect(formatPromptText(input)).toBe(expected);
+            });
         });
 
-        test('should keep empty lines unchanged', () => {
-            const input = 'tag1, tag2\n\ntag3, tag4';
-            const expected = 'tag1, tag2, \n\ntag3, tag4, ';
-            expect(formatPromptText(input)).toBe(expected);
+        describe('with useTrailingComma disabled', () => {
+            beforeEach(() => {
+                settingValues.useTrailingComma = false;
+            });
+
+            test('should format text by adding comma and space after tags without trailing comma', () => {
+                const input = 'tag1,tag2,tag3';
+                const expected = 'tag1, tag2, tag3';
+                expect(formatPromptText(input)).toBe(expected);
+            });
+
+            test('should remove extra spaces around tags without trailing comma', () => {
+                const input = '  tag1  ,  tag2  ';
+                const expected = 'tag1, tag2';
+                expect(formatPromptText(input)).toBe(expected);
+            });
+
+            test('should preserve special syntax like weights without trailing comma', () => {
+                const input = '(tag1:1.2), [tag2]';
+                // Note: The current implementation splits by comma.
+                // If the input is "(tag1:1.2), [tag2]", it splits into "(tag1:1.2)" and "[tag2]".
+                // Then joins with ", ".
+                const expected = '(tag1:1.2), [tag2]';
+                expect(formatPromptText(input)).toBe(expected);
+            });
+
+            test('should handle multiple lines without trailing comma', () => {
+                const input = 'tag1, tag2\ntag3, tag4';
+                const expected = 'tag1, tag2\ntag3, tag4';
+                expect(formatPromptText(input)).toBe(expected);
+            });
+
+            test('should keep empty lines unchanged without trailing comma', () => {
+                const input = 'tag1, tag2\n\ntag3, tag4';
+                const expected = 'tag1, tag2\n\ntag3, tag4';
+                expect(formatPromptText(input)).toBe(expected);
+            });
+
+            test('should remove existing trailing comma when disabled', () => {
+                const input = 'tag1, tag2, ';
+                const expected = 'tag1, tag2';
+                expect(formatPromptText(input)).toBe(expected);
+            });
         });
 
         test('should handle empty input', () => {
diff --git a/web/css/autocomplete-plus.css b/web/css/autocomplete-plus.css
index f0536a7..dea32a3 100644
--- a/web/css/autocomplete-plus.css
+++ b/web/css/autocomplete-plus.css
@@ -1,15 +1,21 @@
 /* Light Theme */
  body {
-  --autocomplete-plus-text-color-cat-blue: var(--p-blue-600);
+  --autocomplete-plus-text-color-cat-blue: var(--p-blue-700);
   --autocomplete-plus-text-color-cat-red: var(--p-red-600);
   --autocomplete-plus-text-color-cat-purple: var(--p-purple-600);
-  --autocomplete-plus-text-color-cat-green: var(--p-green-600);
+  --autocomplete-plus-text-color-cat-green: var(--p-green-700);
   --autocomplete-plus-text-color-cat-yellow: var(--p-yellow-600);
   --autocomplete-plus-text-color-cat-gray: var(--p-gray-600);
-  --autocomplete-plus-text-color-cat-sky: var(--p-sky-500);
+  --autocomplete-plus-text-color-cat-sky: var(--p-sky-600);
   --autocomplete-plus-text-color-cat-orange: var(--p-orange-600);
   --autocomplete-plus-text-color-cat-white: var(--p-neutral-700);
   --autocomplete-plus-text-color-disabled: var(--p-gray-400);
+  --autocomplete-plus-list-color-even: var(--p-neutral-300);
+  --autocomplete-plus-list-color-odd: var(--p-neutral-400);
+  --wiki-icon-text-color: var(--input-text);
+  --wiki-icon-opacity-normal: 0.7;
+  --wiki-icon-opacity-hover: 1.0;
+  --wiki-icon-opacity-disabled: 0;
 }
 
 /* Dark Theme */
@@ -24,6 +30,12 @@ body.dark-theme {
   --autocomplete-plus-text-color-cat-orange: var(--p-orange-400);
   --autocomplete-plus-text-color-cat-white: var(--p-neutral-200);
   --autocomplete-plus-text-color-disabled: var(--p-gray-500);
+  --autocomplete-plus-list-color-even: var(--p-neutral-800);
+  --autocomplete-plus-list-color-odd: var(--p-neutral-900);
+  --wiki-icon-text-color: var(--input-text);
+  --wiki-icon-opacity-normal: 0.5;
+  --wiki-icon-opacity-hover: 0.9;
+  --wiki-icon-opacity-disabled: 0;
 }
 
 #autocomplete-plus-root {
@@ -97,16 +109,17 @@ body.dark-theme {
   display: grid;
   box-shadow: 0 2px 8px rgb(0 0 0 / 30%);
   grid-auto-rows: auto;
-  grid-template-columns: max-content 1fr auto;
+  grid-template-columns: max-content max-content 1fr auto;
   overflow-y: auto;
 }
 
 #autocomplete-plus-list.no-alias {
-  grid-template-columns: max-content auto;
+  grid-template-columns: max-content max-content auto;
 }
 
 .autocomplete-plus-item {
   display: grid;
+  border-bottom: 1px solid var(--border-color);
   cursor: pointer;
   grid-column: 1 / -1;
   grid-template-columns: subgrid;
@@ -115,23 +128,22 @@ body.dark-theme {
 .autocomplete-plus-item span {
   align-content: center;
   padding: 4px 8px;
-  border-bottom: 1px solid var(--border-color);
 }
 
 /* Alternating row colors */
-.autocomplete-plus-item:nth-child(even) span {
-  background-color: var(--comfy-menu-bg);
+.autocomplete-plus-item:nth-child(even) {
+  background-color: var(--autocomplete-plus-list-color-even);
 }
 
-.autocomplete-plus-item:nth-child(odd) span {
-  background-color: var(--comfy-menu-secondary-bg);
+.autocomplete-plus-item:nth-child(odd) {
+  background-color: var(--autocomplete-plus-list-color-odd);
 }
 
-.autocomplete-plus-item.selected span {
+.autocomplete-plus-item.selected {
   background-color: var(--border-color);
 }
 
-.autocomplete-plus-item:hover span {
+.autocomplete-plus-item:hover {
   background-color: var(--comfy-hover-bg);
 }
 
@@ -160,6 +172,28 @@ body.dark-theme {
   text-align: right;
 }
 
+.autocomplete-plus-item .autocomplete-plus-wiki-icon {
+  padding: 0 8px;
+  color: var(--wiki-icon-text-color);
+  cursor: pointer;
+  font-size: 1.2em;
+  opacity: var(--wiki-icon-opacity-normal);
+  text-align: center;
+  vertical-align: middle;
+}
+
+.autocomplete-plus-item .autocomplete-plus-wiki-icon:hover {
+  filter: brightness(1.1);
+  opacity: var(--wiki-icon-opacity-hover);
+}
+
+/* Hide wiki icon for tags without wiki pages */
+.autocomplete-plus-item .autocomplete-plus-wiki-icon.disabled {
+  cursor: default;
+  opacity: var(--wiki-icon-opacity-disabled);
+  pointer-events: none;
+}
+
 /* Related Tags UI Styles */
 #related-tags-root {
   position: absolute;
@@ -236,7 +270,7 @@ body.dark-theme {
   align-items: center;
   padding: 8px;
   border-bottom: 1px solid var(--border-color);
-  background-color: var(--comfy-menu-bg);
+  background-color: var(--autocomplete-plus-list-color-even);
   color: var(--descrip-text);
   gap: 8px;
 }
@@ -255,10 +289,16 @@ body.dark-theme {
 }
 
 .related-tags-header-tag-name {
+  cursor: pointer;
   font-weight: bold;
   word-break: break-all;
 }
 
+.related-tags-header-tag-name.disabled {
+  cursor: default;
+  text-decoration: none;
+}
+
 .related-tags-header-tag-name .autocomplete-plus-tag-icon-svg {
   width: 1em;
   height: 1em;
@@ -296,16 +336,17 @@ body.dark-theme {
   display: grid;
   box-shadow: 0 2px 8px rgb(0 0 0 / 30%);
   grid-auto-rows: auto;
-  grid-template-columns: max-content 1fr auto;
+  grid-template-columns: max-content max-content 1fr auto;
   overflow-y: auto;
 }
 
 #related-tags-list.no-alias {
-  grid-template-columns: max-content auto;
+  grid-template-columns: max-content max-content auto;
 }
 
 .related-tag-item {
   display: grid;
+  border-bottom: 1px solid var(--border-color);
   cursor: pointer;
   grid-column: 1 / -1;
   grid-template-columns: subgrid;
@@ -315,22 +356,21 @@ body.dark-theme {
 .related-tag-item span {
   align-content: center;
   padding: 4px 8px;
-  border-bottom: 1px solid var(--border-color);
 }
 
-.related-tag-item:nth-child(even) span {
-  background-color: var(--comfy-menu-bg);
+.related-tag-item:nth-child(even) {
+  background-color: var(--autocomplete-plus-list-color-even);
 }
 
-.related-tag-item:nth-child(odd) span {
-  background-color: var(--comfy-menu-secondary-bg);
+.related-tag-item:nth-child(odd) {
+  background-color: var(--autocomplete-plus-list-color-odd);
 }
 
-.related-tag-item:hover span {
+.related-tag-item:hover {
   background-color: var(--p-form-field-filled-hover-background);
 }
 
-.related-tag-item.selected span {
+.related-tag-item.selected {
   background-color: var(--border-color);
 }
 
@@ -355,6 +395,29 @@ body.dark-theme {
   white-space: nowrap;
 }
 
+.related-tag-item .related-tag-wiki-icon {
+  padding: 0 8px;
+  color: var(--wiki-icon-text-color);
+  cursor: pointer;
+  font-size: 1.2em;
+  opacity: var(--wiki-icon-opacity-normal);
+  text-align: center;
+  transition: opacity 0.1s ease;
+  vertical-align: middle;
+}
+
+.related-tag-item .related-tag-wiki-icon:hover {
+  filter: brightness(1.1);
+  opacity: var(--wiki-icon-opacity-hover);
+}
+
+/* Hide wiki icon for tags without wiki pages */
+.related-tag-item .related-tag-wiki-icon.disabled {
+  cursor: default;
+  opacity: var(--wiki-icon-opacity-disabled);
+  pointer-events: none;
+}
+
 .related-tags-message {
   width: 100%;
   padding: 12px;
diff --git a/web/js/auto-formatter.js b/web/js/auto-formatter.js
index a47fc01..44dca74 100644
--- a/web/js/auto-formatter.js
+++ b/web/js/auto-formatter.js
@@ -100,8 +100,8 @@ export function formatPromptText(text) {
         // Rejoin cleaned tags with ", "
         let formattedLine = cleanedTags.join(', ');
 
-        // Add a trailing comma and space if the line contains valid tags
-        if (formattedLine.length > 0) {
+        // Add a trailing comma and space if the setting is enabled and line contains valid tags
+        if (formattedLine.length > 0 && settingValues.useTrailingComma) {
             formattedLine += ', ';
         }
 
diff --git a/web/js/autocomplete.js b/web/js/autocomplete.js
index b1ab86b..5c86a20 100644
--- a/web/js/autocomplete.js
+++ b/web/js/autocomplete.js
@@ -1,6 +1,5 @@
 import {
     ModelTagSource,
-    TagCategory,
     TagData,
     autoCompleteData,
     getEnabledTagSourceInPriorityOrder
@@ -19,7 +18,8 @@ import {
     getViewportMargin,
     getScrollbarWidth,
     IconSvgHtmlString,
-    addWeightToLora
+    addWeightToLora,
+    openTagWikiUrl
 } from './utils.js';
 import { settingValues } from './settings.js';
 
@@ -263,7 +263,7 @@ function getCurrentPartialTag(inputElement) {
     if (!inputElement) {
         return "";
     }
-    
+
     const text = inputElement.value;
     const cursorPos = inputElement.selectionStart;
 
@@ -312,13 +312,13 @@ function insertTagToTextArea(inputElement, tagDataToInsert) {
     if (!inputElement || !tagDataToInsert) {
         return;
     }
-    
+
     const text = inputElement.value;
     const cursorPos = inputElement.selectionStart;
 
     const tagRange = getCurrentTagRange(text, cursorPos);
     let tagStart, tagEnd, currentTag;
-    
+
     if (!tagRange) {
         // Fallback: insert at cursor position
         tagStart = cursorPos;
@@ -327,7 +327,7 @@ function insertTagToTextArea(inputElement, tagDataToInsert) {
     } else {
         ({ start: tagStart, end: tagEnd, tag: currentTag } = tagRange);
     }
-    
+
     const replaceStart = Math.min(cursorPos, tagStart);
     let replaceEnd = cursorPos;
 
@@ -407,6 +407,16 @@ class AutocompleteUI {
 
         // Add event listener for clicks on items
         this.tagsList.addEventListener('mousedown', (e) => {
+            // Check if wiki icon was clicked first
+            const wikiIcon = e.target.closest('.autocomplete-plus-wiki-icon');
+            if (wikiIcon && !wikiIcon.classList.contains('disabled')) {
+                openTagWikiUrl(wikiIcon.dataset.tagSource, wikiIcon.dataset.tagName);
+                e.preventDefault();
+                e.stopPropagation();
+                return;
+            }
+
+            // Check if row was clicked (existing behavior)
             const row = e.target.closest('.autocomplete-plus-item');
             if (row && row.dataset.index !== undefined) {
                 const tagData = this.candidates[parseInt(row.dataset.index, 10)];
@@ -480,7 +490,7 @@ class AutocompleteUI {
     /** Selects the currently highlighted item
      * @returns {TagData|null} The selected tag data.
      */
-    getSelectedTag() {
+    getSelectedTagData() {
         if (this.selectedIndex >= 0 && this.selectedIndex < this.candidates.length) {
             return this.candidates[this.selectedIndex];
         }
@@ -517,7 +527,7 @@ class AutocompleteUI {
      * @param {boolean} isExisting
      */
     #createTagElement(tagData, tagDataIndex, isExisting) {
-        const categoryText = TagCategory[tagData.source][tagData.category] || "unknown";
+        const categoryText = tagData.categoryText;
         const aliasText = tagData.alias.join(', ');
 
         const tagRow = document.createElement('div');
@@ -543,6 +553,18 @@ class AutocompleteUI {
             tagName.classList.add('autocomplete-plus-already-exists');
         }
 
+        // Wiki icon
+        const wikiIcon = document.createElement('span');
+        wikiIcon.className = 'autocomplete-plus-wiki-icon';
+        if (tagData.hasWikiPage) {
+            wikiIcon.dataset.tagName = tagData.tag;
+            wikiIcon.dataset.tagSource = tagData.source;
+            wikiIcon.textContent = '📖'
+            wikiIcon.title = 'Open wiki page';
+        } else {
+            wikiIcon.classList.add('disabled');
+        }
+
         // Alias
         const alias = document.createElement('span');
         alias.className = 'autocomplete-plus-alias';
@@ -558,7 +580,7 @@ class AutocompleteUI {
         tagCount.className = `autocomplete-plus-tag-count`;
         tagCount.textContent = formatCountHumanReadable(tagData.count);
 
-         // Create tooltip with more info
+        // Create tooltip with more info
         let tooltipText = `Count: ${tagData.count}\nCategory: ${categoryText}`;
         if (aliasText.length > 0) {
             tooltipText += `\nAlias: ${aliasText}`;
@@ -566,6 +588,7 @@ class AutocompleteUI {
         tagRow.title = tooltipText;
 
         tagRow.appendChild(tagName);
+        tagRow.appendChild(wikiIcon);
 
         if (!settingValues.hideAlias) {
             tagRow.appendChild(alias);
@@ -672,7 +695,7 @@ class AutocompleteUI {
 
     /** Highlights the item (row) at the given index */
     #highlightItem() {
-        if (!this.getSelectedTag()) return; // No valid selection
+        if (!this.getSelectedTagData()) return; // No valid selection
 
         const items = this.tagsList.children; // Get rows from tbody
         for (let i = 0; i < items.length; i++) {
@@ -973,12 +996,19 @@ export class AutocompleteEventHandler {
                 case 'Enter':
                 case 'Tab':
                     const modifierKeyPressed = event.shiftKey || event.ctrlKey || event.altKey || event.metaKey;
-                    if (!modifierKeyPressed && this.autocompleteUI.getSelectedTag() !== null) {
+                    if (!modifierKeyPressed && this.autocompleteUI.getSelectedTagData() !== null) {
                         event.preventDefault();
-                        insertTagToTextArea(event.target, this.autocompleteUI.getSelectedTag());
+                        insertTagToTextArea(event.target, this.autocompleteUI.getSelectedTagData());
                     }
                     this.autocompleteUI.hide();
                     break;
+                case 'F1':
+                    event.preventDefault();
+                    const tagData = this.autocompleteUI.getSelectedTagData();
+                    if (tagData && tagData.hasWikiPage) {
+                        openTagWikiUrl(tagData.source, tagData.tag);
+                    }
+                    break;
                 case 'Escape':
                     event.preventDefault();
                     this.autocompleteUI.hide();
diff --git a/web/js/data.js b/web/js/data.js
index 8be165b..90d9688 100644
--- a/web/js/data.js
+++ b/web/js/data.js
@@ -72,6 +72,23 @@ export class TagData {
 
         this.source = source;
     }
+
+    /**
+     * Get the category text
+     * @returns {string}
+     */
+    get categoryText() {
+        return TagCategory[this.source][this.category] || "unknown";
+    }
+
+    /**
+     * Check if the tag has a wiki page
+     * @returns {boolean}
+     */
+    get hasWikiPage() {
+        return Object.values(TagSource).includes(this.source)
+            && ['general', 'artist', 'copyright', 'character', 'species', 'lore'].includes(this.categoryText);
+    }
 }
 
 class AutocompleteData {
diff --git a/web/js/main.js b/web/js/main.js
index ad444a6..3d49c86 100644
--- a/web/js/main.js
+++ b/web/js/main.js
@@ -490,6 +490,17 @@ app.registerExtension({
         },
 
         // --- Auto format settings ---
+        {
+            id: id + '.AutoFormatter.UseTrailingComma',
+            name: 'Use Trailing Comma',
+            tooltip: 'When enabled, ensures all lines end with a trailing comma.\nWhen disabled, removes trailing commas.',
+            type: 'boolean',
+            defaultValue: false,
+            category: [name, 'AutoFormatter', 'Use Trailing Comma'],
+            onChange: (newVal, oldVal) => {
+                settingValues.useTrailingComma = newVal;
+            },
+        },
         {
             id: id + '.AutoFormatter.Trigger',
             name: 'Auto Format Trigger',
diff --git a/web/js/related-tags.js b/web/js/related-tags.js
index 4a00418..2ca7edb 100644
--- a/web/js/related-tags.js
+++ b/web/js/related-tags.js
@@ -1,4 +1,4 @@
-import { TagCategory, TagData, TagSource, autoCompleteData } from './data.js';
+import { TagCategory, TagData, TagSource, autoCompleteData, getEnabledTagSourceInPriorityOrder } from './data.js';
 import { settingValues } from './settings.js';
 import {
     extractTagsFromTextArea,
@@ -10,6 +10,7 @@ import {
     isValidTag,
     normalizeTagToInsert,
     normalizeTagToSearch,
+    openTagWikiUrl
 } from './utils.js';
 
 // --- RelatedTags Logic ---
@@ -95,6 +96,8 @@ function searchRelatedTags(tag) {
             category: tagData.category,
             source: tagData.source,
             count: tagData.count,
+            categoryText: tagData.categoryText,
+            hasWikiPage: tagData.hasWikiPage
         });
     });
 
@@ -278,11 +281,31 @@ class RelatedTagsUI {
         // Timer ID for auto-refresh
         this.autoRefreshTimerId = null;
 
+        // Add click handler for wiki link in header tag name
+        this.headerText.addEventListener('mousedown', (e) => {
+            const tagNameEl = e.target.closest('.related-tags-header-tag-name');
+            if (tagNameEl && !tagNameEl.classList.contains('disabled')) {
+                openTagWikiUrl(tagNameEl.dataset.tagSource, tagNameEl.dataset.tagName);
+                e.preventDefault();
+                e.stopPropagation();
+                return;
+            }
+        });
+
         // Add click handler for tag selection
         this.tagsContainer.addEventListener('mousedown', (e) => {
+            // Check if wiki icon was clicked first
+            const wikiIcon = e.target.closest('.related-tag-wiki-icon');
+            if (wikiIcon && !wikiIcon.classList.contains('disabled')) {
+                openTagWikiUrl(wikiIcon.dataset.tagSource, wikiIcon.dataset.tagName);
+                e.preventDefault();
+                e.stopPropagation();
+                return;
+            }
+
             const row = e.target.closest('.related-tag-item');
-            if (row && row.dataset.tag) {
-                this.#insertTag(row.dataset.tag);
+            if (row && row.dataset.tagName) {
+                this.#insertTag(row.dataset.tagName);
                 e.preventDefault();
                 e.stopPropagation();
             }
@@ -322,9 +345,6 @@ class RelatedTagsUI {
         this.target = textareaElement;
 
         this.relatedTags = searchRelatedTags(this.currentTag);
-        if (this.selectedIndex == -1) {
-            this.selectedIndex = 0; // Reset selection to the first item
-        }
 
         this.#updateHeader();
         this.#updateContent();
@@ -366,10 +386,18 @@ class RelatedTagsUI {
         }
     }
 
-    /** Moves the selection up or down */
+    /** Moves the selection up or down
+     * @param {direction} 1 for down, -1 for up
+     */
     navigate(direction) {
         if (this.relatedTags.length === 0) return;
-        this.selectedIndex += direction;
+
+        if (this.selectedIndex == -1) {
+            // Initialize selection based on navigation direction
+            this.selectedIndex = direction == 1 ? 0 : this.relatedTags.length - 1;
+        } else {
+            this.selectedIndex += direction;
+        }
 
         if (this.selectedIndex < 0) {
             this.selectedIndex = this.relatedTags.length - 1; // Wrap around to bottom
@@ -379,10 +407,27 @@ class RelatedTagsUI {
         this.#highlightItem();
     }
 
-    /** Selects the currently highlighted item */
-    getSelectedTag() {
+    /**
+     * Get TagData of the current tag
+     * @returns {TagData|null}
+     */
+    getCurrentTagData() {
+        for (const source of getEnabledTagSourceInPriorityOrder()) {
+            if (source in autoCompleteData && autoCompleteData[source].tagMap.has(this.currentTag)) {
+                return autoCompleteData[source].tagMap.get(this.currentTag);
+            }
+        }
+
+        return null;
+    }
+
+    /** 
+     * Selects the currently highlighted item
+     * @return {TagData|null}
+     */
+    getSelectedTagData() {
         if (this.selectedIndex >= 0 && this.selectedIndex < this.relatedTags.length) {
-            return this.relatedTags[this.selectedIndex].tag;
+            return this.relatedTags[this.selectedIndex];
         }
 
         return null; // No valid selection
@@ -401,14 +446,7 @@ class RelatedTagsUI {
      * Updates header content
      */
     #updateHeader() {
-        // Find the tag data for the current tag
-        let tagData = Object.values(TagSource)
-            .map((source) => {
-                if (source in autoCompleteData && autoCompleteData[source].tagMap.has(this.currentTag)) {
-                    return autoCompleteData[source].tagMap.get(this.currentTag);
-                }
-            })
-            .find((tagData) => tagData !== undefined);
+        let tagData = this.getCurrentTagData();
 
         if (!tagData) {
             // Create a dummy TagData if not found
@@ -426,6 +464,8 @@ class RelatedTagsUI {
         tagName.classList.add('related-tags-header-tag-name', tagData.source);
         tagName.title = `Count: ${tagData.count}\nCategory: ${categoryText}\nAlias: ${aliasText}`;
         tagName.dataset.tagCategory = categoryText;
+        tagName.dataset.tagSource = tagData.source;
+        tagName.dataset.tagName = tagData.tag;
         if (tagData.source && ['left', 'right'].includes(settingValues.tagSourceIconPosition)) {
             const tagSourceIconHtml = `<svg class="autocomplete-plus-tag-icon-svg"><use xlink:href="#autocomplete-plus-icon-${tagData.source}"></use></svg>`;
             tagName.innerHTML = settingValues.tagSourceIconPosition == 'left'
@@ -435,6 +475,9 @@ class RelatedTagsUI {
             tagName.textContent += tagData.tag;
         }
 
+        if (!tagData.hasWikiPage) {
+            tagName.classList.add('disabled');
+        }
 
         this.headerText.appendChild(tagName);
 
@@ -501,12 +544,12 @@ class RelatedTagsUI {
      * @returns {HTMLTableRowElement} The tag row element
      */
     #createTagElement(tagData, isExisting) {
-        const categoryText = TagCategory[tagData.source][tagData.category] || "unknown";
+        const categoryText = tagData.categoryText;
         const aliasText = tagData.alias.join(', ');
 
         const tagRow = document.createElement('div');
         tagRow.classList.add('related-tag-item', tagData.source);
-        tagRow.dataset.tag = tagData.tag;
+        tagRow.dataset.tagName = tagData.tag;
         tagRow.dataset.tagCategory = categoryText;
 
         // Tag name
@@ -519,6 +562,18 @@ class RelatedTagsUI {
             tagName.classList.add('related-tag-already-exists');
         }
 
+        // Wiki icon
+        const wikiIcon = document.createElement('span');
+        wikiIcon.className = 'related-tag-wiki-icon';
+        if (tagData.hasWikiPage) {
+            wikiIcon.dataset.tagName = tagData.tag;
+            wikiIcon.dataset.tagSource = tagData.source;
+            wikiIcon.textContent = '📖'
+            wikiIcon.title = 'Open wiki page';
+        } else {
+            wikiIcon.classList.add('disabled');
+        }
+
         // Alias
         const alias = document.createElement('span');
         alias.className = 'related-tag-alias';
@@ -543,6 +598,7 @@ class RelatedTagsUI {
 
         // Add cells to row
         tagRow.appendChild(tagName);
+        tagRow.appendChild(wikiIcon);
 
         if (!settingValues.hideAlias) {
             tagRow.appendChild(alias);
@@ -588,7 +644,7 @@ class RelatedTagsUI {
 
     /** Highlights the item (row) at the given index */
     #highlightItem() {
-        if (this.getSelectedTag() === null) return; // No valid selection
+        if (this.getSelectedTagData() === null) return; // No valid selection
 
         const items = this.tagsContainer.children; // Get rows
         for (let i = 0; i < items.length; i++) {
@@ -621,9 +677,9 @@ class RelatedTagsUI {
     }
 
     insertSelectedTag() {
-        const selectedTag = this.getSelectedTag();
+        const selectedTag = this.getSelectedTagData();
         if (selectedTag) {
-            this.#insertTag(selectedTag);
+            this.#insertTag(selectedTag.tag);
         }
     }
 
@@ -769,13 +825,20 @@ export class RelatedTagsEventHandler {
                     break;
                 case 'Enter':
                 case 'Tab':
-                    if (this.relatedTagsUI.getSelectedTag() !== null) {
+                    if (this.relatedTagsUI.getSelectedTagData() !== null) {
                         event.preventDefault(); // Prevent Tab from changing focus
                         this.relatedTagsUI.insertSelectedTag();
                     } else if (!this.relatedTagsUI.isPinned) { // If nothing selected and not pinned, hide the panel
                         this.relatedTagsUI.hide();
                     }
                     break;
+                case 'F1':
+                    event.preventDefault();
+                    const tagData = this.relatedTagsUI.getSelectedTagData() || this.relatedTagsUI.getCurrentTagData();
+                    if (tagData && tagData.hasWikiPage) {
+                        openTagWikiUrl(tagData.source, tagData.tag);
+                    }
+                    break;
                 case 'Escape':
                     event.preventDefault();
                     this.relatedTagsUI.hide();
diff --git a/web/js/settings.js b/web/js/settings.js
index 0cbc7b3..d02830f 100644
--- a/web/js/settings.js
+++ b/web/js/settings.js
@@ -24,6 +24,7 @@ export const settingValues = {
     // Auto format settings
     enableAutoFormat: true,
     autoFormatTrigger: 'auto', // Options: 'auto' (format on blur + shortcut), 'manual' (shortcut only)
+    useTrailingComma: false, // Whether to add comma at the end of each line
 
 
     // Internal logic settings
diff --git a/web/js/utils.js b/web/js/utils.js
index ed59fc8..126918c 100644
--- a/web/js/utils.js
+++ b/web/js/utils.js
@@ -654,3 +654,47 @@ export function getScrollbarWidth() {
 
     return _cachedScrollbarWidth;
 }
+
+/**
+ * Opens a wiki URL in a new browser tab for the given tag.
+ * @param {string} tagSource - The source of the tag ('danbooru', 'e621', 'embeddings', 'lora')
+ * @param {string} tagName - The name of the tag
+ * @returns {boolean} - True if URL was opened, false if not applicable
+ */
+export function openTagWikiUrl(tagSource, tagName) {
+    if (!tagSource || !tagName) {
+        console.warn('[Autocomplete-Plus] Cannot open wiki: missing tagSource or tagName');
+        return false;
+    }
+
+    let wikiUrl = null;
+
+    switch (tagSource) {
+        case 'danbooru':
+            const danbooruTag = encodeURIComponent(tagName.replace(/ /g, '_'));
+            wikiUrl = `https://danbooru.donmai.us/wiki_pages/${danbooruTag}`;
+            break;
+
+        case 'e621':
+            const e621Tag = encodeURIComponent(tagName.replace(/ /g, '_'));
+            wikiUrl = `https://e621.net/wiki_pages/${e621Tag}`;
+            break;
+
+        case 'embeddings':
+        case 'lora':
+            // console.debug('[Autocomplete-Plus] Model tags do not have wiki pages');
+            return false;
+
+        default:
+            console.warn(`[Autocomplete-Plus] Unknown tag source: ${tagSource}`);
+            return false;
+    }
+
+    if (wikiUrl) {
+        // console.debug(`[Autocomplete-Plus] Opening wiki URL: ${wikiUrl}`);
+        window.open(wikiUrl, '_blank', 'noopener,noreferrer');
+        return true;
+    }
+
+    return false;
+}