diff --git a/crates/treehouse/src/html/breadcrumbs.rs b/crates/treehouse/src/html/breadcrumbs.rs
index 211e940..8438aee 100644
--- a/crates/treehouse/src/html/breadcrumbs.rs
+++ b/crates/treehouse/src/html/breadcrumbs.rs
@@ -24,7 +24,7 @@ pub fn breadcrumbs_to_html(
                         .unwrap_or_else(|| Cow::Owned(format!("/{element}")));
                     write!(
                         s,
-                        "<a href=\"{site}/{element}.html\">{short_element}</a>",
+                        "<a href=\"{site}/{element}\">{short_element}</a>",
                         site = EscapeAttribute(&config.site),
                         element = EscapeAttribute(element)
                     )
diff --git a/static/js/tree.js b/static/js/tree.js
index 414f973..5a00037 100644
--- a/static/js/tree.js
+++ b/static/js/tree.js
@@ -168,7 +168,7 @@ function expandDetailsRecursively(element) {
 }
 
 function navigateToPage(page) {
-    window.location.pathname = `${page}.html`
+    window.location.pathname = `${page}`
 }
 
 async function navigateToBranch(fragment) {
diff --git a/template/_new.hbs b/template/_new.hbs
index d2efad8..648934f 100644
--- a/template/_new.hbs
+++ b/template/_new.hbs
@@ -11,7 +11,7 @@
 
     {{!-- For /index, include a "new" link that goes to the curated news feed page. --}}
     {{#if (eq page.tree_path "index")}}
-    <a href="{{ config.site }}/treehouse/new.html" data-cast="new">new</a>
+    <a href="{{ config.site }}/treehouse/new" data-cast="new">new</a>
     {{/if}}
 
     {{/ components/_nav.hbs }}
@@ -28,7 +28,7 @@
 
     <section>
         <p>note that this page does not include any updates that were made to the website itself - for that, you can
-            visit <a href="{{ config.site }}/treehouse/changelog.html">the changelog</a>.
+            visit <a href="{{ config.site }}/treehouse/changelog">the changelog</a>.
         </p>
     </section>
 
diff --git a/template/_tree.hbs b/template/_tree.hbs
index 9dfa2e9..3d51a62 100644
--- a/template/_tree.hbs
+++ b/template/_tree.hbs
@@ -11,7 +11,7 @@
 
     {{!-- For /index, include a "new" link that goes to the curated news feed page. --}}
     {{#if (eq page.tree_path "index")}}
-    <a href="{{ config.site }}/treehouse/new.html" data-cast="new">new</a>
+    <a href="{{ config.site }}/treehouse/new" data-cast="new">new</a>
     {{/if}}
 
     {{/ components/_nav.hbs }}
diff --git a/template/components/_footer.hbs b/template/components/_footer.hbs
index ba5942c..d555660 100644
--- a/template/components/_footer.hbs
+++ b/template/components/_footer.hbs
@@ -1,5 +1,5 @@
 <footer>
-    <a href="{{ config.site }}/treehouse.html">
+    <a href="{{ config.site }}/treehouse">
         <svg id="footer-icon" width="32" height="32" viewBox="0 0 32 32" fill="none" xmlns="http://www.w3.org/2000/svg">
             <g id="all">
                 <mask id="mask">