diff --git a/templates/repo/diff/box.tmpl b/templates/repo/diff/box.tmpl
index 26737f110e..20e0c9db66 100644
--- a/templates/repo/diff/box.tmpl
+++ b/templates/repo/diff/box.tmpl
@@ -164,24 +164,22 @@
 										<input type="checkbox" name="{{$file.GetDiffFileName}}" autocomplete="off"{{if $file.IsViewed}} checked{{end}}> {{ctx.Locale.Tr "repo.pulls.has_viewed_file"}}
 									</label>
 								{{end}}
-								<div class="ui dropdown basic">
-									{{svg "octicon-kebab-horizontal" 18 "icon tw-mx-2"}}
-									<div class="ui menu">
-										{{if not (or $file.IsIncomplete $file.IsBin $file.IsSubmodule)}}
-											<button class="unescape-button item">{{ctx.Locale.Tr "repo.unescape_control_characters"}}</button>
-											<button class="escape-button tw-hidden item">{{ctx.Locale.Tr "repo.escape_control_characters"}}</button>
-										{{end}}
-										{{if and (not $file.IsSubmodule) (not $.PageIsWiki)}}
-											{{if $file.IsDeleted}}
-												<a class="item" rel="nofollow" href="{{$.BeforeSourcePath}}/{{PathEscapeSegments .Name}}">{{ctx.Locale.Tr "repo.diff.view_file"}}</a>
-											{{else}}
-												<a class="item" rel="nofollow" href="{{$.SourcePath}}/{{PathEscapeSegments .Name}}">{{ctx.Locale.Tr "repo.diff.view_file"}}</a>
-												{{if and $.Repository.CanEnableEditor $.CanEditFile (not $file.IsLFSFile) (not $file.IsBin)}}
-													<a class="item" rel="nofollow" href="{{$.HeadRepoLink}}/_edit/{{PathEscapeSegments $.HeadBranchName}}/{{PathEscapeSegments $file.Name}}?return_uri={{print $.BackToLink "#diff-" $file.NameHash | QueryEscape}}">{{ctx.Locale.Tr "repo.editor.edit_this_file"}}</a>
-												{{end}}
+								<button class="btn diff-header-popup-btn tw-p-1">{{svg "octicon-kebab-horizontal" 18}}</button>
+								<div class="tippy-target">
+									{{if not (or $file.IsIncomplete $file.IsBin $file.IsSubmodule)}}
+										<button class="unescape-button item" data-file-content-elem-id="diff-{{$file.NameHash}}">{{ctx.Locale.Tr "repo.unescape_control_characters"}}</button>
+										<button class="escape-button tw-hidden item" data-file-content-elem-id="diff-{{$file.NameHash}}">{{ctx.Locale.Tr "repo.escape_control_characters"}}</button>
+									{{end}}
+									{{if and (not $file.IsSubmodule) (not $.PageIsWiki)}}
+										{{if $file.IsDeleted}}
+											<a class="item" rel="nofollow" href="{{$.BeforeSourcePath}}/{{PathEscapeSegments .Name}}">{{ctx.Locale.Tr "repo.diff.view_file"}}</a>
+										{{else}}
+											<a class="item" rel="nofollow" href="{{$.SourcePath}}/{{PathEscapeSegments .Name}}">{{ctx.Locale.Tr "repo.diff.view_file"}}</a>
+											{{if and $.Repository.CanEnableEditor $.CanEditFile (not $file.IsLFSFile) (not $file.IsBin)}}
+												<a class="item" rel="nofollow" href="{{$.HeadRepoLink}}/_edit/{{PathEscapeSegments $.HeadBranchName}}/{{PathEscapeSegments $file.Name}}?return_uri={{print $.BackToLink "#diff-" $file.NameHash | QueryEscape}}">{{ctx.Locale.Tr "repo.editor.edit_this_file"}}</a>
 											{{end}}
 										{{end}}
-									</div>
+									{{end}}
 								</div>
 							</div>
 						</h4>
diff --git a/tests/integration/pull_compare_test.go b/tests/integration/pull_compare_test.go
index def6506253..ad0be72dcb 100644
--- a/tests/integration/pull_compare_test.go
+++ b/tests/integration/pull_compare_test.go
@@ -97,7 +97,7 @@ func TestPullCompare_EnableAllowEditsFromMaintainer(t *testing.T) {
 		user2Session := loginUser(t, "user2")
 		resp = user2Session.MakeRequest(t, NewRequest(t, "GET", fmt.Sprintf("%s/files", prURL)), http.StatusOK)
 		htmlDoc := NewHTMLParser(t, resp.Body)
-		nodes := htmlDoc.doc.Find(".diff-file-box[data-new-filename=\"README.md\"] .diff-file-header-actions .dropdown .menu a")
+		nodes := htmlDoc.doc.Find(".diff-file-box[data-new-filename=\"README.md\"] .diff-file-header-actions .tippy-target a")
 		if assert.Equal(t, 1, nodes.Length()) {
 			// there is only "View File" button, no "Edit File" button
 			assert.Equal(t, "View File", nodes.First().Text())
@@ -121,7 +121,7 @@ func TestPullCompare_EnableAllowEditsFromMaintainer(t *testing.T) {
 		// user2 (admin of repo3) goes to the PR files page again
 		resp = user2Session.MakeRequest(t, NewRequest(t, "GET", fmt.Sprintf("%s/files", prURL)), http.StatusOK)
 		htmlDoc = NewHTMLParser(t, resp.Body)
-		nodes = htmlDoc.doc.Find(".diff-file-box[data-new-filename=\"README.md\"] .diff-file-header-actions .dropdown .menu a")
+		nodes = htmlDoc.doc.Find(".diff-file-box[data-new-filename=\"README.md\"] .diff-file-header-actions .tippy-target a")
 		if assert.Equal(t, 2, nodes.Length()) {
 			// there are "View File" button and "Edit File" button
 			assert.Equal(t, "View File", nodes.First().Text())
diff --git a/web_src/css/modules/tippy.css b/web_src/css/modules/tippy.css
index 53c3d5aaea..55b9751cc6 100644
--- a/web_src/css/modules/tippy.css
+++ b/web_src/css/modules/tippy.css
@@ -77,8 +77,10 @@
   align-items: center;
   padding: 9px 18px;
   color: inherit;
+  background: inherit;
   text-decoration: none;
   gap: 10px;
+  width: 100%;
 }
 
 .tippy-box[data-theme="menu"] .item:hover {
diff --git a/web_src/js/features/repo-diff.ts b/web_src/js/features/repo-diff.ts
index 0d489665a2..f39de96f5b 100644
--- a/web_src/js/features/repo-diff.ts
+++ b/web_src/js/features/repo-diff.ts
@@ -18,6 +18,7 @@ import {
 } from '../utils/dom.ts';
 import {POST, GET} from '../modules/fetch.ts';
 import {fomanticQuery} from '../modules/fomantic/base.ts';
+import {createTippy} from '../modules/tippy.ts';
 
 const {pageData, i18n} = window.config;
 
@@ -140,12 +141,22 @@ export function initRepoDiffConversationNav() {
   });
 }
 
+function initDiffHeaderPopup() {
+  for (const btn of document.querySelectorAll('.diff-header-popup-btn:not([data-header-popup-initialized])')) {
+    btn.setAttribute('data-header-popup-initialized', '');
+    const popup = btn.nextElementSibling;
+    if (!popup?.matches('.tippy-target')) throw new Error('Popup element not found');
+    createTippy(btn, {content: popup, theme: 'menu', placement: 'bottom', trigger: 'click', interactive: true, hideOnClick: true});
+  }
+}
+
 // Will be called when the show more (files) button has been pressed
 function onShowMoreFiles() {
   initRepoIssueContentHistory();
   initViewedCheckboxListenerFor();
   countAndUpdateViewedFiles();
   initImageDiff();
+  initDiffHeaderPopup();
 }
 
 export async function loadMoreFiles(url) {
@@ -221,6 +232,7 @@ export function initRepoDiffView() {
   initDiffFileList();
   initDiffCommitSelect();
   initRepoDiffShowMore();
+  initDiffHeaderPopup();
   initRepoDiffFileViewToggle();
   initViewedCheckboxListenerFor();
   initExpandAndCollapseFilesButton();
diff --git a/web_src/js/features/repo-unicode-escape.ts b/web_src/js/features/repo-unicode-escape.ts
index 7a9bca7a37..0c7d2e8592 100644
--- a/web_src/js/features/repo-unicode-escape.ts
+++ b/web_src/js/features/repo-unicode-escape.ts
@@ -1,13 +1,13 @@
-import {hideElem, queryElemSiblings, showElem, toggleElem} from '../utils/dom.ts';
+import {addDelegatedEventListener, hideElem, queryElemSiblings, showElem, toggleElem} from '../utils/dom.ts';
 
 export function initUnicodeEscapeButton() {
-  document.addEventListener('click', (e) => {
-    const btn = e.target.closest('.escape-button, .unescape-button, .toggle-escape-button');
-    if (!btn) return;
-
+  addDelegatedEventListener(document, 'click', '.escape-button, .unescape-button, .toggle-escape-button', (btn, e) => {
     e.preventDefault();
 
-    const fileContent = btn.closest('.file-content, .non-diff-file-content');
+    const fileContentElemId = btn.getAttribute('data-file-content-elem-id');
+    const fileContent = fileContentElemId ?
+      document.querySelector(`#${fileContentElemId}`) :
+      btn.closest('.file-content, .non-diff-file-content');
     const fileView = fileContent?.querySelectorAll('.file-code, .file-view');
     if (btn.matches('.escape-button')) {
       for (const el of fileView) el.classList.add('unicode-escaped');
diff --git a/web_src/js/utils/dom.ts b/web_src/js/utils/dom.ts
index 4bbb0c414a..a4c7c0e4c6 100644
--- a/web_src/js/utils/dom.ts
+++ b/web_src/js/utils/dom.ts
@@ -2,10 +2,10 @@ import {debounce} from 'throttle-debounce';
 import type {Promisable} from 'type-fest';
 import type $ from 'jquery';
 
-type ElementArg = Element | string | NodeListOf<Element> | Array<Element> | ReturnType<typeof $>;
+type ArrayLikeIterable<T> = ArrayLike<T> & Iterable<T>; // for NodeListOf and Array
+type ElementArg = Element | string | ArrayLikeIterable<Element> | ReturnType<typeof $>;
 type ElementsCallback<T extends Element> = (el: T) => Promisable<any>;
 type ElementsCallbackWithArgs = (el: Element, ...args: any[]) => Promisable<any>;
-type ArrayLikeIterable<T> = ArrayLike<T> & Iterable<T>; // for NodeListOf and Array
 
 function elementsCall(el: ElementArg, func: ElementsCallbackWithArgs, ...args: any[]) {
   if (typeof el === 'string' || el instanceof String) {