diff --git a/javascript/prompt_format.js b/javascript/prompt_format.js
index 2af58f5..a6fbdb9 100644
--- a/javascript/prompt_format.js
+++ b/javascript/prompt_format.js
@@ -13,14 +13,15 @@ class LeFormatter {
 	 * @param {boolean} dedupe
 	 * @param {boolean} removeUnderscore
 	 * @param {boolean} autoRefresh
+	 * @param {boolean} appendComma
 	 */
-	static formatPipeline(textArea, dedupe, removeUnderscore, autoRefresh) {
+	static formatPipeline(textArea, dedupe, removeUnderscore, autoRefresh, appendComma) {
 		const lines = textArea.value.split('\n');
 
 		for (let i = 0; i < lines.length; i++)
 			lines[i] = this.#formatString(lines[i], dedupe, removeUnderscore);
 
-		textArea.value = lines.join('\n');
+		textArea.value = lines.join(appendComma ? ',\n' : '\n');
 
 		if (autoRefresh)
 			updateInput(textArea);
@@ -148,13 +149,13 @@ onUiLoaded(() => {
 	document.addEventListener('keydown', (e) => {
 		if (e.altKey && e.shiftKey && e.code === 'KeyF') {
 			e.preventDefault();
-			config.promptFields.forEach((field) => LeFormatter.formatPipeline(field, config.dedupe, config.removeUnderscore, true));
+			config.promptFields.forEach((field) => LeFormatter.formatPipeline(field, config.dedupe, config.removeUnderscore, true, config.comma));
 		}
 	});
 
 	const formatter = LeFormatterUI.setupUIs(
 		() => {
-			config.promptFields.forEach((field) => LeFormatter.formatPipeline(field, config.dedupe, config.removeUnderscore, true));
+			config.promptFields.forEach((field) => LeFormatter.formatPipeline(field, config.dedupe, config.removeUnderscore, true, config.comma));
 		},
 		config.autoRun, config.dedupe, config.removeUnderscore
 	);
@@ -184,7 +185,7 @@ onUiLoaded(() => {
 			const button = document.getElementById(id);
 			button?.addEventListener('click', () => {
 				if (config.autoRun)
-					config.promptFields.forEach((field) => LeFormatter.formatPipeline(field, config.dedupe, config.removeUnderscore, config.refresh));
+					config.promptFields.forEach((field) => LeFormatter.formatPipeline(field, config.dedupe, config.removeUnderscore, config.refresh, config.comma));
 			});
 		});
 	});
diff --git a/javascript/prompt_format_Configs.js b/javascript/prompt_format_Configs.js
index fb46a1d..8322bbc 100644
--- a/javascript/prompt_format_Configs.js
+++ b/javascript/prompt_format_Configs.js
@@ -5,6 +5,7 @@ class LeFormatterConfig {
         this.autoRun = this.#defaultAuto();
         this.dedupe = this.#defaultDedupe();
         this.removeUnderscore = this.#defaultRemoveUnderscore();
+        this.comma = this.#appendComma();
         this.promptFields = this.#getPromptFields();
         this.button = this.#createReloadButton();
     }
@@ -33,6 +34,12 @@ class LeFormatterConfig {
         return config.checked;
     }
 
+    /** @returns {boolean} */
+    #appendComma() {
+        const config = document.getElementById('setting_pf_appendcomma').querySelector('input[type=checkbox]');
+        return config.checked;
+    }
+
     // ===== Cache All Prompt Fields =====
     /** @returns {HTMLTextAreaElement[]} */
     #getPromptFields() {
diff --git a/scripts/pf_settings.py b/scripts/pf_settings.py
index 3513bf4..21b1578 100644
--- a/scripts/pf_settings.py
+++ b/scripts/pf_settings.py
@@ -14,8 +14,12 @@ def on_settings():
             "Disable automatic input updates",
             section=section,
             category_id="system",
-        ).info(
-            "check this if you have Extensions, such as [tagcomplete], that subscribe to text editing event"
+        ).html(
+            """
+            <span class='info'>(enable this if you have Extension,
+             such as <a href="https://github.com/DominikDoom/a1111-sd-webui-tagcomplete">tagcomplete</a>,
+             that subscribes to text editing event)</span>
+            """
         ),
     )
 
@@ -44,6 +48,16 @@ def on_settings():
         ),
     )
 
+    opts.add_option(
+        "pf_appendcomma",
+        OptionInfo(
+            True,
+            "Append a comma at the end of a line",
+            section=section,
+            category_id="system",
+        ).info("only active when there are more than one line"),
+    )
+
     opts.add_option(
         "pf_exclusion",
         OptionInfo(