diff --git a/_locales/en/messages.json b/_locales/en/messages.json
index 40cb149..054d7c1 100644
--- a/_locales/en/messages.json
+++ b/_locales/en/messages.json
@@ -116,6 +116,11 @@
   "config_modeForNoSelection_treeDescendants_label": { "message": "Copy Tree Descendants" },
   "config_modeForNoSelectionModified_label":         { "message": "Middle Click" },
 
+  "config_delimiter_caption":         { "message": "Separator of copied items" },
+  "config_delimiter_lineBreak_label": { "message": "Line Break" },
+  "config_delimiter_space_label":     { "message": "Space" },
+  "config_delimiter_tab_label":       { "message": "Tab" },
+
   "config_debug_caption": { "message": "Development" },
   "config_debug_label": { "message": "Debug mode" },
   "config_all_caption": { "message": "All Configs" }
diff --git a/_locales/ja/messages.json b/_locales/ja/messages.json
index 71b89f2..24ba1b6 100644
--- a/_locales/ja/messages.json
+++ b/_locales/ja/messages.json
@@ -116,6 +116,11 @@
   "config_modeForNoSelection_treeDescendants_label": { "message": "配下のタブのみをコピー" },
   "config_modeForNoSelectionModified_label":         { "message": "中ボタンクリック" },
 
+  "config_delimiter_caption":         { "message": "コピーした項目の区切り文字" },
+  "config_delimiter_lineBreak_label": { "message": "改行" },
+  "config_delimiter_space_label":     { "message": "スペース" },
+  "config_delimiter_tab_label":       { "message": "タブ" },
+
   "config_debug_caption": { "message": "開発用" },
   "config_debug_label": { "message": "デバッグモード" },
   "config_all_caption": { "message": "すべての設定" }
diff --git a/common/commands.js b/common/commands.js
index 6c6fa91..86bdd08 100644
--- a/common/commands.js
+++ b/common/commands.js
@@ -14,11 +14,29 @@ import {
   notify,
   collectAncestors,
 } from './common.js';
+import * as Constants from './constants.js';
 import * as Permissions from './permissions.js';
 
 const kFORMAT_PARAMETER_MATCHER  = /\([^\)]+\)|\[[^\]]+\]|\{[^\}]+\}|<[^>]+>/g;
 const kFORMAT_MATCHER_TREE_INDENT = new RegExp(`%(TST|TREE)_INDENT(?:${kFORMAT_PARAMETER_MATCHER.source})*%`, 'gi');
 
+function getDelimiter() {
+  switch (configs.delimiter) {
+    case Constants.kDELIMITER_SPACE:
+      return ' ';
+
+    case Constants.kDELIMITER_TAB:
+      return '\t';
+
+    default:
+      return getLineFeed();
+  }
+}
+
+function getLineFeed() {
+  return configs.useCRLF ? '\r\n' : '\n';
+}
+
 export async function copyToClipboard(tabs, format) {
   let indentLevels = [];
   if (kFORMAT_MATCHER_TREE_INDENT.test(format)) {
@@ -34,13 +52,14 @@ export async function copyToClipboard(tabs, format) {
     }
   }
 
-  const lineFeed = configs.useCRLF ? '\r\n' : '\n' ;
+  const delimiter = getDelimiter();
   const itemsToCopy = await Promise.all(tabs.map((tab, index) => fillPlaceHolders(format, tab, indentLevels[index])));
 
   const richText = /%RT%/i.test(format) ? itemsToCopy.map(item => item.richText).join('<br />') : null ;
-  let plainText = itemsToCopy.map(item => item.plainText).join(lineFeed);
-  if (tabs.length > 1)
-    plainText += lineFeed;
+  let plainText = itemsToCopy.map(item => item.plainText).join(delimiter);
+  if (configs.delimiter == Constants.kDELIMITER_LINE_BREAK &&
+      tabs.length > 1)
+    plainText += delimiter;
 
   log('richText: ', richText);
   log('plainText: ', plainText);
@@ -201,7 +220,7 @@ export async function fillPlaceHolders(format, tab, indentLevel) {
   let params = {
     tab,
     indentLevel,
-    lineFeed:  configs.useCRLF ? '\r\n' : '\n',
+    delimiter: getDelimiter(),
     timeUTC:   now.toUTCString(),
     timeLocal: now.toLocaleString()
   };
@@ -274,14 +293,14 @@ export async function fillPlaceHolders(format, tab, indentLevel) {
 
 function fillPlaceHoldersInternal(
   format,
-  { tab, author, description, keywords, timeUTC, timeLocal, lineFeed, indentLevel } = {}
+  { tab, author, description, keywords, timeUTC, timeLocal, delimiter, indentLevel } = {}
 ) {
   return PlaceHolderParser.process(format, (name, rawArgs, ...args) => {
     return processPlaceHolder(
       name,
       rawArgs,
       args,
-      { tab, author, description, keywords, timeUTC, timeLocal, lineFeed, indentLevel }
+      { tab, author, description, keywords, timeUTC, timeLocal, delimiter, indentLevel }
     );
   }, '', log);
 }
@@ -292,7 +311,7 @@ function processPlaceHolder(
   name,
   rawArgs,
   args,
-  { tab, author, description, keywords, timeUTC, timeLocal, lineFeed, indentLevel } = {}
+  { tab, author, description, keywords, timeUTC, timeLocal, delimiter, indentLevel } = {}
 ) {
   log('processPlaceHolder ', name, rawArgs, args);
   switch (name.trim().toLowerCase()) {
@@ -361,7 +380,7 @@ function processPlaceHolder(
       return '\t';
 
     case 'eol':
-      return lineFeed;
+      return getLineFeed();
 
     case 'tst_indent': {
       const indenters = args.length == 0 ?
@@ -384,7 +403,7 @@ function processPlaceHolder(
           matchedToHTMLSafe[1],
           rawArgs,
           args,
-          { tab, author, description, keywords, timeUTC, timeLocal, lineFeed, indentLevel }
+          { tab, author, description, keywords, timeUTC, timeLocal, delimiter, indentLevel }
         ));
 
       return rawArgs ? `%${name}(${rawArgs})%` : `%${name}%`;
diff --git a/common/common.js b/common/common.js
index 34bdf46..f77ee8b 100644
--- a/common/common.js
+++ b/common/common.js
@@ -47,6 +47,7 @@ export const configs = new Configs({
   shouldNotifyResult: true,
   copyToClipboardFormats: defaultClipboardFormats,
   reportErrors: false,
+  delimiter: Constants.kDELIMITER_LINE_BREAK,
   useCRLF: false,
   notificationTimeout: 10 * 1000,
   debug: false,
diff --git a/common/constants.js b/common/constants.js
index 11399d3..bfe6d29 100644
--- a/common/constants.js
+++ b/common/constants.js
@@ -12,6 +12,10 @@ export const kCOPY_TREE_DESCENDANTS = 3;
 export const kCOPY_ALL              = 4;
 export const kCOPY_CHOOSE_FROM_MENU = 5;
 
+export const kDELIMITER_LINE_BREAK = 0;
+export const kDELIMITER_SPACE      = 1;
+export const kDELIMITER_TAB        = 2;
+
 export const WITH_CONTAINER_MATCHER = /%(?:CONTAINER_URL(?:_HTML(?:IFIED)?)?|CONTAINER_(?:TITLE|NAME)(?:_HTML(?:IFIED)?)?(?:\(.*?\))?)%/i;
 
 
diff --git a/options/options.html b/options/options.html
index aea6344..b991d1c 100644
--- a/options/options.html
+++ b/options/options.html
@@ -156,6 +156,24 @@
 
     </fieldset>
 
+    <fieldset>
+      <legend>__MSG_config_delimiter_caption__</legend>
+      <ul>
+        <li><label><input name="delimiter"
+                          value="0"
+                          type="radio"
+                         >__MSG_config_delimiter_lineBreak_label__</label></li>
+        <li><label><input name="delimiter"
+                          value="1"
+                          type="radio"
+                         >__MSG_config_delimiter_space_label__</label></li>
+        <li><label><input name="delimiter"
+                          value="2"
+                          type="radio"
+                         >__MSG_config_delimiter_tab_label__</label></li>
+      </ul>
+    </fieldset>
+
     <div class="grid" id="copyToClipboardFormatsRows">
     </div>
     <p><button id="copyToClipboardFormatsAddNewRow"