diff --git a/app/templates/base.html b/app/templates/base.html
index 2d740e5..b8195d8 100644
--- a/app/templates/base.html
+++ b/app/templates/base.html
@@ -26,4 +26,12 @@
         {% block content %}{% endblock %}
     </main>
 </body>
+<script>
+// Auto-trim whitespace from all text inputs and textareas on form submit
+document.addEventListener('submit', function(e) {
+    e.target.querySelectorAll('input[type="text"], textarea').forEach(function(el) {
+        el.value = el.value.trim();
+    });
+}, true);
+</script>
 </html>