diff --git a/web/src/routes/servers/[alias]/users/+page.svelte b/web/src/routes/servers/[alias]/users/+page.svelte
index 95ec4b6..ae0cbde 100644
--- a/web/src/routes/servers/[alias]/users/+page.svelte
+++ b/web/src/routes/servers/[alias]/users/+page.svelte
@@ -163,7 +163,31 @@
 	}
 
 	function copy(text: string) {
-		void navigator.clipboard.writeText(text);
+		const value = String(text ?? '');
+		if (typeof navigator !== 'undefined' && navigator.clipboard?.writeText) {
+			void navigator.clipboard.writeText(value).catch(() => fallbackCopy(value));
+		} else {
+			fallbackCopy(value);
+		}
+	}
+
+	function fallbackCopy(value: string) {
+		if (typeof document === 'undefined') return;
+		const ta = document.createElement('textarea');
+		ta.value = value;
+		ta.setAttribute('readonly', '');
+		ta.style.position = 'fixed';
+		ta.style.left = '-9999px';
+		ta.style.top = '0';
+		document.body.appendChild(ta);
+		ta.select();
+		try {
+			document.execCommand('copy');
+		} catch {
+			// ignore
+		} finally {
+			ta.remove();
+		}
 	}
 </script>
 
diff --git a/web/src/routes/users/+page.svelte b/web/src/routes/users/+page.svelte
index 1700719..ce3e1b1 100644
--- a/web/src/routes/users/+page.svelte
+++ b/web/src/routes/users/+page.svelte
@@ -34,7 +34,12 @@
 	onMount(load);
 
 	function copy(text: string) {
-		void navigator.clipboard.writeText(text);
+		const value = String(text ?? '');
+		if (typeof navigator !== 'undefined' && navigator.clipboard?.writeText) {
+			void navigator.clipboard.writeText(value).catch(() => fallbackCopy(value));
+		} else {
+			fallbackCopy(value);
+		}
 	}
 
 	function openUser(username: string | null | undefined) {
@@ -42,6 +47,25 @@
 		if (!u) return;
 		void goto(`/users/${encodeURIComponent(u)}`);
 	}
+
+	function fallbackCopy(value: string) {
+		if (typeof document === 'undefined') return;
+		const ta = document.createElement('textarea');
+		ta.value = value;
+		ta.setAttribute('readonly', '');
+		ta.style.position = 'fixed';
+		ta.style.left = '-9999px';
+		ta.style.top = '0';
+		document.body.appendChild(ta);
+		ta.select();
+		try {
+			document.execCommand('copy');
+		} catch {
+			// ignore
+		} finally {
+			ta.remove();
+		}
+	}
 </script>
 
 <div class="mb-6 flex flex-wrap items-end justify-between gap-4">
@@ -113,7 +137,10 @@
 											variant="outline"
 											size="xs"
 											class="h-7 gap-1 px-2 text-xs"
-											onclick|stopPropagation={() => copy(link)}
+											onclick={(e: MouseEvent) => {
+												e.stopPropagation();
+												void copy(link);
+											}}
 										>
 											TLS
 											<CopyIcon class="size-3 opacity-60" />
@@ -124,7 +151,10 @@
 											variant="outline"
 											size="xs"
 											class="h-7 gap-1 px-2 text-xs"
-											onclick|stopPropagation={() => copy(link)}
+											onclick={(e: MouseEvent) => {
+												e.stopPropagation();
+												void copy(link);
+											}}
 										>
 											t.me
 											<CopyIcon class="size-3 opacity-60" />
diff --git a/web/src/routes/users/[username]/+page.svelte b/web/src/routes/users/[username]/+page.svelte
index 9bed675..fcf6f25 100644
--- a/web/src/routes/users/[username]/+page.svelte
+++ b/web/src/routes/users/[username]/+page.svelte
@@ -56,7 +56,31 @@
 	onMount(load);
 
 	function copy(text: string) {
-		void navigator.clipboard.writeText(text);
+		const value = String(text ?? '');
+		if (typeof navigator !== 'undefined' && navigator.clipboard?.writeText) {
+			void navigator.clipboard.writeText(value).catch(() => fallbackCopy(value));
+		} else {
+			fallbackCopy(value);
+		}
+	}
+
+	function fallbackCopy(value: string) {
+		if (typeof document === 'undefined') return;
+		const ta = document.createElement('textarea');
+		ta.value = value;
+		ta.setAttribute('readonly', '');
+		ta.style.position = 'fixed';
+		ta.style.left = '-9999px';
+		ta.style.top = '0';
+		document.body.appendChild(ta);
+		ta.select();
+		try {
+			document.execCommand('copy');
+		} catch {
+			// ignore
+		} finally {
+			ta.remove();
+		}
 	}
 
 	let ipsForUser = $derived.by(() => {