diff --git a/apps/soundcraft/src/main.rs b/apps/soundcraft/src/main.rs
index 9324d07..011f09e 100644
--- a/apps/soundcraft/src/main.rs
+++ b/apps/soundcraft/src/main.rs
@@ -168,9 +168,15 @@ fn services() -> Services {
             };
             d.pick_file().map(|p| p.to_string_lossy().into_owned())
         })),
-        pick_save: Some(Box::new(|_purpose: &str, default: &str| {
+        pick_save: Some(Box::new(|purpose: &str, default: &str| {
             let path = std::path::Path::new(default);
-            let mut d = rfd::FileDialog::new().add_filter("SoundCraft Session", &["scraft"]);
+            let mut d = match purpose {
+                "file.bounce_mix" => rfd::FileDialog::new().add_filter("Audio", &["wav", "aif", "aiff", "flac"]),
+                _ => rfd::FileDialog::new().add_filter("SoundCraft Session", &["scraft"]),
+            };
+            if let Some(dir) = path.parent().filter(|dir| dir.is_dir()) {
+                d = d.set_directory(dir);
+            }
             if let Some(n) = path.file_name().and_then(|n| n.to_str()) {
                 d = d.set_file_name(n);
             }
diff --git a/crates/ui-egui/src/dialogs.rs b/crates/ui-egui/src/dialogs.rs
index 2ca955d..efc7bc3 100644
--- a/crates/ui-egui/src/dialogs.rs
+++ b/crates/ui-egui/src/dialogs.rs
@@ -91,7 +91,13 @@ impl Dialogs {
             }
             "session.new" => Dialog::NewSession { name: "Untitled".into(), sample_rate: 48_000, demo: false },
             "file.bounce_mix" => {
-                Dialog::Bounce { path: format!("{home}/{name} Bounce.wav"), format: "wav".into(), bit_depth: "24".into(), normalize: false }
+                let dir = e
+                    .path
+                    .as_deref()
+                    .and_then(|p| std::path::Path::new(p).parent())
+                    .filter(|d| !d.as_os_str().is_empty())
+                    .map_or(home.clone(), |d| d.display().to_string());
+                Dialog::Bounce { path: format!("{dir}/{name} Bounce.wav"), format: "wav".into(), bit_depth: "24".into(), normalize: false }
             }
             "file.import_audio" => Dialog::PathPrompt { cmd: id.into(), title: "Import Audio".into(), path: home, key: "path".into() },
             "file.import_midi" => Dialog::PathPrompt { cmd: id.into(), title: "Import MIDI".into(), path: home, key: "path".into() },
@@ -346,7 +352,19 @@ pub fn show(app: &mut SoundApp, ctx: &egui::Context) {
                 Dialog::Bounce { path, format, bit_depth, normalize } => {
                     ui.horizontal(|ui| {
                         ui.label("File");
-                        ui.add(egui::TextEdit::singleline(path).desired_width(360.0));
+                        ui.add(egui::TextEdit::singleline(path).desired_width(420.0));
+                        if let Some(pick) = &app.services.pick_save
+                            && ui.button("Browse…").clicked()
+                            && let Some(p) = pick("file.bounce_mix", path)
+                        {
+                            *path = p;
+                            match std::path::Path::new(path.as_str()).extension().map(|x| x.to_string_lossy().to_lowercase()).as_deref() {
+                                Some("wav") => *format = "wav".into(),
+                                Some("aif" | "aiff") => *format = "aiff".into(),
+                                Some("flac") => *format = "flac".into(),
+                                _ => {}
+                            }
+                        }
                     });
                     ui.horizontal(|ui| {
                         egui::ComboBox::from_label("Format").selected_text(format.to_uppercase()).show_ui(ui, |ui| {
diff --git a/crates/ui-egui/tests/bounce_dialog.rs b/crates/ui-egui/tests/bounce_dialog.rs
new file mode 100644
index 0000000..e3a5499
--- /dev/null
+++ b/crates/ui-egui/tests/bounce_dialog.rs
@@ -0,0 +1,54 @@
+//! Bounce Mix starts in the session's folder and has a Browse button for the file (#186).
+use egui::vec2;
+use egui_kittest::{Harness, kittest::Queryable};
+use soundcraft_ui_egui::{Services, SoundApp, dialogs::Dialog};
+use std::cell::RefCell;
+use std::rc::Rc;
+
+#[test]
+fn bounce_starts_in_the_session_folder_and_browse_picks_the_file_and_format() {
+    let asked = Rc::new(RefCell::new(Vec::new()));
+    let log = Rc::clone(&asked);
+    let pick_save: Box<dyn Fn(&str, &str) -> Option<String>> = Box::new(move |purpose, default| {
+        log.borrow_mut().push((purpose.to_string(), default.to_string()));
+        Some("/Mixes/Final Mix.FLAC".into())
+    });
+    let mut engine = soundcraft_engine::demo::demo_engine();
+    engine.path = Some("/Songs/Midnight Groove/Midnight Groove.scraft".into());
+    let mut app = SoundApp::new(engine, None, Services { pick_save: Some(pick_save), ..Default::default() });
+    assert!(app.dialogs.open_for_command(&app.engine, "file.bounce_mix"));
+    let mut h = Harness::builder().with_size(vec2(1600.0, 1000.0)).build_ui_state(
+        |ui, app: &mut SoundApp| {
+            app.logic(&ui.ctx().clone());
+            app.ui(ui);
+        },
+        app,
+    );
+    h.run_steps(3);
+    h.get_by_label("Browse…").click();
+    h.run_steps(3);
+    let default = "/Songs/Midnight Groove/Midnight Groove Bounce.wav".to_string();
+    assert_eq!(*asked.borrow(), vec![("file.bounce_mix".to_string(), default)]);
+    match &h.state().dialogs.open {
+        Some(Dialog::Bounce { path, format, .. }) => assert_eq!((path.as_str(), format.as_str()), ("/Mixes/Final Mix.FLAC", "flac")),
+        other => panic!("{other:?}"),
+    }
+}
+
+#[test]
+fn bounce_of_a_session_with_a_relative_path_starts_in_the_default_folder() {
+    let mut engine = soundcraft_engine::demo::demo_engine();
+    engine.path = Some("Midnight Groove.scraft".into());
+    let name = engine.session().name.clone();
+    let mut app = SoundApp::new(engine, None, Services::default());
+    assert!(app.dialogs.open_for_command(&app.engine, "file.bounce_mix"));
+    let mut fresh = SoundApp::new(soundcraft_engine::demo::demo_engine(), None, Services::default());
+    assert!(fresh.dialogs.open_for_command(&fresh.engine, "file.bounce_mix"));
+    match (&app.dialogs.open, &fresh.dialogs.open) {
+        (Some(Dialog::Bounce { path, .. }), Some(Dialog::Bounce { path: unsaved, .. })) => {
+            assert_ne!(path.as_str(), format!("/{name} Bounce.wav"));
+            assert_eq!(path, unsaved, "the same folder as a session never saved");
+        }
+        other => panic!("{other:?}"),
+    }
+}