diff --git a/inst/reveal.js-5.2.1/dist/theme/ids.css b/inst/reveal.js-5.2.1/dist/theme/ids.css
index d1b8467..52f3cb7 100644
--- a/inst/reveal.js-5.2.1/dist/theme/ids.css
+++ b/inst/reveal.js-5.2.1/dist/theme/ids.css
@@ -951,12 +951,33 @@
   background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f6a800' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M21 15a2 2 0 0 1-2 2H7l-4 4V5a2 2 0 0 1 2-2h14a2 2 0 0 1 2 2z'/%3E%3C/svg%3E");
 }
 
+#ids-transcript-btn {
+  display: none;
+  position: fixed;
+  left: 110px;
+  bottom: 6%;
+  z-index: 30;
+  width: 28px;
+  height: 28px;
+  border: 0;
+  padding: 0;
+  cursor: pointer;
+  opacity: 0.55;
+  background: transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23aaaaaa' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='8' y1='6' x2='21' y2='6'/%3E%3Cline x1='8' y1='12' x2='21' y2='12'/%3E%3Cline x1='8' y1='18' x2='21' y2='18'/%3E%3Cline x1='3' y1='6' x2='3.01' y2='6'/%3E%3Cline x1='3' y1='12' x2='3.01' y2='12'/%3E%3Cline x1='3' y1='18' x2='3.01' y2='18'/%3E%3C/svg%3E") center/contain no-repeat;
+}
+#ids-transcript-btn:active, #ids-transcript-btn:focus-visible, #ids-transcript-btn.is-open {
+  opacity: 0.9;
+}
+#ids-transcript-btn.is-open {
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f6a800' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='8' y1='6' x2='21' y2='6'/%3E%3Cline x1='8' y1='12' x2='21' y2='12'/%3E%3Cline x1='8' y1='18' x2='21' y2='18'/%3E%3Cline x1='3' y1='6' x2='3.01' y2='6'/%3E%3Cline x1='3' y1='12' x2='3.01' y2='12'/%3E%3Cline x1='3' y1='18' x2='3.01' y2='18'/%3E%3C/svg%3E");
+}
+
 @media (hover: none) and (pointer: coarse) {
-  #ids-notes {
+  #ids-notes, #ids-transcript-btn {
     display: block;
   }
 }
-html.reveal-print #ids-notes {
+html.reveal-print #ids-notes, html.reveal-print #ids-transcript-btn {
   display: none !important;
 }
 
diff --git a/inst/rmarkdown/templates/revealjs_presentation/resources/default.html b/inst/rmarkdown/templates/revealjs_presentation/resources/default.html
index 003336b..9d49602 100644
--- a/inst/rmarkdown/templates/revealjs_presentation/resources/default.html
+++ b/inst/rmarkdown/templates/revealjs_presentation/resources/default.html
@@ -878,6 +878,7 @@
     <footer id="ids-footer"><span>
       $for(author)$$if(author.name)$$author.name$$else$$author$$endif$${ sep }, $endfor$ · $title$ · $date$</span></footer><button id="ids-fullscreen" aria-label="Toggle fullscreen" title="Fullscreen"></button>
 <button id="ids-notes" aria-label="Show speaker notes" title="Speaker notes"></button>
+<button id="ids-transcript-btn" aria-label="Show transcript of all slides and notes" title="Transcript"></button>
 <div id="ids-notes-overlay" hidden>
   <header id="ids-notes-header">
     <span id="ids-notes-timing" role="status"></span>
@@ -1099,6 +1100,16 @@
         build();
         overlay.hidden = false;
       }
+      var btn = document.getElementById('ids-transcript-btn');
+      if (btn) btn.classList.toggle('is-open', !overlay.hidden);
+    }
+
+    var transcriptBtn = document.getElementById('ids-transcript-btn');
+    if (transcriptBtn) {
+      transcriptBtn.addEventListener('click', function (e) {
+        e.stopPropagation();
+        toggle();
+      });
     }
 
     document.addEventListener('keydown', function (e) {