diff --git a/src/web/thurtle/thurtle.css b/src/web/thurtle/thurtle.css
index aebda5d..06f6943 100644
--- a/src/web/thurtle/thurtle.css
+++ b/src/web/thurtle/thurtle.css
@@ -64,3 +64,7 @@ label {
 .right-pane {
   flex: 2;
 }
+
+.copy-url-btn {
+  border: thin solid rgb(206, 212, 218) !important;
+}
diff --git a/src/web/thurtle/thurtle.tsx b/src/web/thurtle/thurtle.tsx
index 9933c17..c7ea82c 100644
--- a/src/web/thurtle/thurtle.tsx
+++ b/src/web/thurtle/thurtle.tsx
@@ -76,6 +76,46 @@ function About() {
 
 const editor = new Editor();
 
+const clipboardIcon = (
+  <svg
+    xmlns="http://www.w3.org/2000/svg"
+    width="16"
+    height="16"
+    fill="currentColor"
+    class="bi"
+    viewBox="0 0 16 16"
+  >
+    <path
+      xmlns="http://www.w3.org/2000/svg"
+      d="M4 1.5H3a2 2 0 0 0-2 2V14a2 2 0 0 0 2 2h10a2 2 0 0 0 2-2V3.5a2 2 0 0 0-2-2h-1v1h1a1 1 0 0 1 1 1V14a1 1 0 0 1-1 1H3a1 1 0 0 1-1-1V3.5a1 1 0 0 1 1-1h1z"
+    />
+    <path
+      xmlns="http://www.w3.org/2000/svg"
+      d="M9.5 1a.5.5 0 0 1 .5.5v1a.5.5 0 0 1-.5.5h-3a.5.5 0 0 1-.5-.5v-1a.5.5 0 0 1 .5-.5zm-3-1A1.5 1.5 0 0 0 5 1.5v1A1.5 1.5 0 0 0 6.5 4h3A1.5 1.5 0 0 0 11 2.5v-1A1.5 1.5 0 0 0 9.5 0z"
+    />
+  </svg>
+);
+
+const clipboardCheckIcon = (
+  <svg
+    xmlns="http://www.w3.org/2000/svg"
+    width="16"
+    height="16"
+    fill="currentColor"
+    class="bi"
+    viewBox="0 0 16 16"
+  >
+    <path
+      xmlns="http://www.w3.org/2000/svg"
+      d="M6.5 0A1.5 1.5 0 0 0 5 1.5v1A1.5 1.5 0 0 0 6.5 4h3A1.5 1.5 0 0 0 11 2.5v-1A1.5 1.5 0 0 0 9.5 0zm3 1a.5.5 0 0 1 .5.5v1a.5.5 0 0 1-.5.5h-3a.5.5 0 0 1-.5-.5v-1a.5.5 0 0 1 .5-.5z"
+    />
+    <path
+      xmlns="http://www.w3.org/2000/svg"
+      d="M4 1.5H3a2 2 0 0 0-2 2V14a2 2 0 0 0 2 2h10a2 2 0 0 0 2-2V3.5a2 2 0 0 0-2-2h-1v1A2.5 2.5 0 0 1 9.5 5h-3A2.5 2.5 0 0 1 4 2.5zm6.854 7.354-3 3a.5.5 0 0 1-.708 0l-1.5-1.5a.5.5 0 0 1 .708-.708L7.5 10.793l2.646-2.647a.5.5 0 0 1 .708.708"
+    />
+  </svg>
+);
+
 const rootEl = (
   <div class={"root" + (qs.sn === "0" ? " no-nav" : "")}>
     <nav class="navbar navbar-light bg-light">
@@ -353,13 +393,23 @@ const rootEl = (
           </div>
           <div class="modal-body">
             <p>Share URL</p>
-            <input
-              data-hook="url"
-              onClick={selectShareURL}
-              type="text"
-              readOnly={true}
-              class="form-control"
-            />
+            <div class="input-group">
+              <input
+                data-hook="url"
+                onClick={selectShareURL}
+                type="text"
+                readOnly={true}
+                class="form-control"
+              />
+              <button
+                data-hook="copy-url"
+                onclick={copyURL}
+                class="btn btn-outline-secondary copy-url-btn"
+                type="button"
+              >
+                {clipboardIcon}
+              </button>
+            </div>
           </div>
           <div class="modal-footer">
             <button
@@ -416,6 +466,9 @@ const savingModal = new bootstrap.Modal(
 const shareModalURLEl = rootEl.querySelector(
   "[data-hook=share-modal] [data-hook=url]"
 ) as HTMLInputElement;
+const shareModalCopyButtonEl = rootEl.querySelector(
+  "button[data-hook=copy-url]"
+)! as HTMLButtonElement;
 const worldEl = rootEl.querySelector("[data-hook=world]") as SVGSVGElement;
 
 //////////////////////////////////////////////////////////////////////////////////////////
@@ -563,6 +616,15 @@ function selectShareURL() {
   shareModalURLEl.scrollLeft = 0;
 }
 
+async function copyURL(ev: MouseEvent) {
+  ev.preventDefault();
+  await navigator.clipboard.writeText(shareModalURLEl.value);
+  shareModalCopyButtonEl.replaceChildren(clipboardCheckIcon);
+  window.setTimeout(() => {
+    shareModalCopyButtonEl.replaceChildren(clipboardIcon);
+  }, 1000);
+}
+
 shareModalEl.addEventListener("shown.bs.modal", () => {
   selectShareURL();
 });