diff --git a/go.mod b/go.mod
index 6f7cb28..946bb36 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/boolean-maybe/tiki
 go 1.25.0
 
 require (
-	github.com/boolean-maybe/navidown v0.4.14
+	github.com/boolean-maybe/navidown v0.4.15
 	github.com/charmbracelet/bubbles v0.21.1-0.20250623103423-23b8fd6302d7
 	github.com/charmbracelet/bubbletea v1.3.10
 	github.com/charmbracelet/huh v0.8.0
diff --git a/go.sum b/go.sum
index 590d48d..74495a5 100644
--- a/go.sum
+++ b/go.sum
@@ -25,8 +25,8 @@ github.com/aymanbagabas/go-udiff v0.3.1 h1:LV+qyBQ2pqe0u42ZsUEtPiCaUoqgA9gYRDs3v
 github.com/aymanbagabas/go-udiff v0.3.1/go.mod h1:G0fsKmG+P6ylD0r6N/KgQD/nWzgfnl8ZBcNLgcbrw8E=
 github.com/aymerick/douceur v0.2.0 h1:Mv+mAeH1Q+n9Fr+oyamOlAkUNPWPlA8PPGR0QAaYuPk=
 github.com/aymerick/douceur v0.2.0/go.mod h1:wlT5vV2O3h55X9m7iVYN0TBM0NH/MmbLnd30/FjWUq4=
-github.com/boolean-maybe/navidown v0.4.14 h1:PMk/Sdz5OigAp20fZhUpFNNeTYMrJBokKnxwfYL/GI8=
-github.com/boolean-maybe/navidown v0.4.14/go.mod h1:uF4Z/5uTnEtC6ZWyfKRv5Qw8Nir1nfp4kUraggTRfrk=
+github.com/boolean-maybe/navidown v0.4.15 h1:xQqn7FUy1Eh9eHHNj2bMEBSk07lvkvMeORNtJHpYuzA=
+github.com/boolean-maybe/navidown v0.4.15/go.mod h1:uF4Z/5uTnEtC6ZWyfKRv5Qw8Nir1nfp4kUraggTRfrk=
 github.com/catppuccin/go v0.3.0 h1:d+0/YicIq+hSTo5oPuRi5kOpqkVA5tAsU6dNhvRu+aY=
 github.com/catppuccin/go v0.3.0/go.mod h1:8IHJuMGaUUjQM82qBrGNBv7LFq6JI3NnQCF6MOlZjpc=
 github.com/charmbracelet/bubbles v0.21.1-0.20250623103423-23b8fd6302d7 h1:JFgG/xnwFfbezlUnFMJy0nusZvytYysV4SCS2cYbvws=
diff --git a/internal/viewer/markdown_viewer.go b/internal/viewer/markdown_viewer.go
index fee1ca9..35adf2b 100644
--- a/internal/viewer/markdown_viewer.go
+++ b/internal/viewer/markdown_viewer.go
@@ -79,6 +79,9 @@ func Run(input InputSpec) error {
 		case 'q':
 			app.Stop()
 			return nil
+		case 'r':
+			refreshContent(app, md, provider)
+			return nil
 		case 'e':
 			srcPath := md.SourceFilePath()
 			if srcPath == "" || strings.HasPrefix(srcPath, "http://") || strings.HasPrefix(srcPath, "https://") {
@@ -112,6 +115,27 @@ func Run(input InputSpec) error {
 	return nil
 }
 
+// refreshContent clears image/diagram caches, re-reads the current file from disk, and re-renders.
+func refreshContent(app *tview.Application, md *markdown.NavigableMarkdown, provider *loaders.FileHTTP) {
+	srcPath := md.SourceFilePath()
+	if srcPath == "" {
+		return // stdin content — nothing to reload
+	}
+
+	content, err := provider.FetchContent(nav.NavElement{URL: srcPath})
+	if err != nil {
+		content = markdown.FormatErrorContent(err)
+	}
+
+	// one-shot before-draw to get the screen for Kitty image purge
+	app.SetBeforeDrawFunc(func(screen tcell.Screen) bool {
+		md.Viewer().InvalidateForDocument(screen)
+		md.SetMarkdownWithSource(content, srcPath, false)
+		app.SetBeforeDrawFunc(nil)
+		return false
+	})
+}
+
 func loadInitialContent(input InputSpec, provider *loaders.FileHTTP) (string, string, error) {
 	if input.Kind == InputStdin {
 		content, err := io.ReadAll(os.Stdin)
@@ -191,7 +215,7 @@ func updateStatusBar(statusBar *tview.TextView, v *navtview.TextViewViewer) {
 	} else {
 		status += "[gray]▶[-]"
 	}
-	status += fmt.Sprintf(" | Scroll:[%s]j/k[-] Top/End:[%s]g/G[-] Edit:[%s]e[-] Quit:[%s]q[-]", keyColor, keyColor, keyColor, keyColor)
+	status += fmt.Sprintf(" | Scroll:[%s]j/k[-] Top/End:[%s]g/G[-] Refresh:[%s]r[-] Edit:[%s]e[-] Quit:[%s]q[-]", keyColor, keyColor, keyColor, keyColor, keyColor)
 
 	statusBar.SetText(status)
 }