diff --git a/web/src/view/mod.rs b/web/src/view/mod.rs
index 031fabb..0dfee47 100644
--- a/web/src/view/mod.rs
+++ b/web/src/view/mod.rs
@@ -7,7 +7,7 @@ use letterbox_shared::compute_color;
 use log::{debug, error, info};
 use seed::{prelude::*, *};
 use seed_hooks::{state_access::CloneState, topo, use_state, StateAccessEventHandlers};
-use web_sys::HtmlElement;
+use web_sys::{HtmlElement, HtmlInputElement};
 
 use crate::{
     api::urls,
@@ -60,6 +60,7 @@ mod tw_classes {
         "accent-green-600",
         "appearance-none",
         "checked:appearance-auto",
+        "indeterminate:appearance-auto",
         "rounded",
         "border",
         "border-neutral-500",
@@ -135,7 +136,6 @@ fn search_results(
             tags.remove(idx);
         };
         let is_unread = unread_idx.is_some();
-        // TODO: add check-all button, and tristate indicator
         div![
             C![
                 "flex",
@@ -189,11 +189,12 @@ fn search_results(
         ]
     });
     let show_bulk_edit = !selected_threads.is_empty();
+    let all_selected = selected_threads.len() == results.len();
     div![
         C!["flex", "flex-col", "flex-auto", "p-4"],
-        search_toolbar(count, pager, show_bulk_edit),
+        search_toolbar(count, pager, show_bulk_edit, all_selected),
         div![rows],
-        search_toolbar(count, pager, show_bulk_edit),
+        search_toolbar(count, pager, show_bulk_edit, all_selected),
     ]
 }
 
@@ -310,47 +311,71 @@ fn human_age(timestamp: i64) -> String {
     datetime
 }
 
+#[topo::nested]
 fn search_toolbar(
     count: usize,
     pager: &FrontPageQuerySearchPageInfo,
     show_bulk_edit: bool,
+    all_selected: bool,
 ) -> Node<Msg> {
+    let indeterminate = show_bulk_edit && !all_selected;
+    let tristate_el: ElRef<HtmlInputElement> = use_state(|| Default::default()).get();
+    let tri = el_ref(&tristate_el);
+    if let Some(tri) = tri.get() {
+        info!(
+            "setting tristate to {indeterminate}, current {}",
+            tri.indeterminate()
+        );
+        tri.set_indeterminate(indeterminate);
+    }
     nav![
-        C!["p-4", "flex", "w-full", "justify-between"],
+        C!["py-4", "flex", "w-full", "justify-between"],
         div![
-            C!["gap-2", "flex"],
-            IF!(show_bulk_edit =>
+            C!["gap-2", "flex", IF!(!show_bulk_edit => "invisible")],
             div![
-                    button![
-                        C![&tw_classes::BUTTON, "rounded-r-none"],
-                        attrs!{At::Title => "Mark as read"},
-                        span![i![C!["far", "fa-envelope-open"]]],
-                        span![C!["pl-2", "hidden", "md:inline"], "Read"],
-                        ev(Ev::Click, |_| Msg::SelectionMarkAsRead)
-                    ],
-                    button![
-                        C![&tw_classes::BUTTON, "rounded-l-none"],
-                        attrs!{At::Title => "Mark as unread"},
-                        span![i![C!["far", "fa-envelope"]]],
-                        span![C!["pl-2", "hidden", "md:inline"], "Unread"],
-                        ev(Ev::Click, |_| Msg::SelectionMarkAsUnread)
-                    ]
-            ]),
-            IF!(show_bulk_edit =>
+                C!["flex", "items-center", "mr-4"],
+                input![
+                    tri,
+                    C![&tw_classes::CHECKBOX],
+                    attrs! {
+                        At::Type=>"checkbox",
+                        At::Checked=>all_selected,
+                    }
+                ],
+                ev(Ev::Input, move |_| {
+                    if all_selected {
+                        Msg::SelectionSetNone
+                    } else {
+                        Msg::SelectionSetAll
+                    }
+                }),
+            ],
             div![
-                    button![
-                        C![&tw_classes::BUTTON, "text-red-500"],
-                        attrs!{At::Title => "Mark as spam"},
-                        span![i![C!["far", "fa-hand"]]],
-                        span![C!["pl-2", "hidden", "md:inline"], "Spam"],
-                        ev(Ev::Click, |_|
-                            Msg::MultiMsg(vec![
-                                Msg::SelectionAddTag("Spam".to_string()),
-                                Msg::SelectionMarkAsRead
-                            ])
-                        )
+                button![
+                    C![&tw_classes::BUTTON, "rounded-r-none"],
+                    attrs! {At::Title => "Mark as read"},
+                    span![i![C!["far", "fa-envelope-open"]]],
+                    span![C!["pl-2", "hidden", "md:inline"], "Read"],
+                    ev(Ev::Click, |_| Msg::SelectionMarkAsRead)
+                ],
+                button![
+                    C![&tw_classes::BUTTON, "rounded-l-none"],
+                    attrs! {At::Title => "Mark as unread"},
+                    span![i![C!["far", "fa-envelope"]]],
+                    span![C!["pl-2", "hidden", "md:inline"], "Unread"],
+                    ev(Ev::Click, |_| Msg::SelectionMarkAsUnread)
                 ]
-            ]),
+            ],
+            div![button![
+                C![&tw_classes::BUTTON, "text-red-500"],
+                attrs! {At::Title => "Mark as spam"},
+                span![i![C!["far", "fa-hand"]]],
+                span![C!["pl-2", "hidden", "md:inline"], "Spam"],
+                ev(Ev::Click, |_| Msg::MultiMsg(vec![
+                    Msg::SelectionAddTag("Spam".to_string()),
+                    Msg::SelectionMarkAsRead
+                ]))
+            ]],
         ],
         div![
             C!["flex", "gap-2", "items-center"],
@@ -877,6 +902,7 @@ fn view_header(
         false
     };
     let query = Url::decode_uri_component(query).unwrap_or("".to_string());
+
     nav![
         C!["flex", "px-4", "pt-4", "overflow-hidden"],
         a![
@@ -1021,9 +1047,6 @@ pub fn tags(model: &Model) -> Node<Msg> {
         } else {
             a.name.cmp(&b.name)
         };
-        if a.name.starts_with('@') || b.name.starts_with('@') {
-            info!("a {} < b {} = {r:?}", a.name, b.name,);
-        }
         return r;
     });
     let tags_open = use_state(|| false);