diff --git a/README.md b/README.md
index 149ea1fc..40914536 100644
--- a/README.md
+++ b/README.md
@@ -354,6 +354,7 @@ the main tabs in the ui
 ## hotkeys
 
 the browser has the following hotkeys  (always qwerty)
+* `?` show hotkeys help
 * `B` toggle breadcrumbs / [navpane](#navpane)
 * `I/K` prev/next folder
 * `M` parent folder (or unexpand current)
@@ -361,6 +362,7 @@ the browser has the following hotkeys  (always qwerty)
 * `G` toggle list / [grid view](#thumbnails) -- same as `田` bottom-right
 * `T` toggle thumbnails / icons
 * `ESC` close various things
+* `ctrl-K` delete selected files/folders
 * `ctrl-X` cut selected files/folders
 * `ctrl-V` paste
 * `F2` [rename](#batch-rename) selected file/folder
diff --git a/copyparty/web/baguettebox.js b/copyparty/web/baguettebox.js
index 0a826ca4..1f3b0c92 100644
--- a/copyparty/web/baguettebox.js
+++ b/copyparty/web/baguettebox.js
@@ -246,7 +246,13 @@ window.baguetteBox = (function () {
     }
 
     function keyDownHandler(e) {
-        if (anymod(e, true) || modal.busy)
+        if (modal.busy)
+            return;
+
+        if (e.key == '?')
+            return halp();
+
+        if (anymod(e, true))
             return;
 
         var k = e.code + '', v = vid(), pos = -1;
diff --git a/copyparty/web/browser.css b/copyparty/web/browser.css
index 97571fcf..da010a7e 100644
--- a/copyparty/web/browser.css
+++ b/copyparty/web/browser.css
@@ -1805,6 +1805,28 @@ a.btn,
 	-ms-user-select: none;
 	user-select: none;
 }
+#hkhelp {
+	background: var(--bg);
+}
+#hkhelp table {
+	margin: 2em 2em 0 2em;
+	float: left;
+}
+#hkhelp th {
+	border-bottom: 1px solid var(--bg-u5);
+	background: var(--bg-u1);
+	font-weight: bold;
+	text-align: right;
+}
+#hkhelp tr+tr th {
+	border-top: 1.5em solid var(--bg);
+}
+#hkhelp td {
+	padding: .2em .3em;
+}
+#hkhelp td:first-child {
+	font-family: 'scp', monospace, monospace;
+}
 
 
 
diff --git a/copyparty/web/browser.js b/copyparty/web/browser.js
index 6d5e2ce8..917dc5d9 100644
--- a/copyparty/web/browser.js
+++ b/copyparty/web/browser.js
@@ -25,6 +25,64 @@ var Ls = {
 			"hz": "sample rate"
 		},
 
+		"hks": [
+			[
+				"misc",
+				["ESC", "close various things"],
+
+				"file-manager",
+				["G", "toggle list / grid view"],
+				["T", "toggle thumbnails / icons"],
+				["🡅 A/D", "thumbnail size"],
+				["ctrl-K", "delete selected"],
+				["ctrl-X", "cut selected"],
+				["ctrl-V", "paste into folder"],
+				["F2", "rename selected"],
+
+				"file-list-sel",
+				["space", "toggle file selection"],
+				["🡑/🡓", "move selection cursor"],
+				["ctrl 🡑/🡓", "move cursor and viewport"],
+				["🡅 🡑/🡓", "select prev/next file"],
+				["ctrl-A", "select all files / folders"],
+			], [
+				"navigation",
+				["B", "toggle breadcrumbs / navpane"],
+				["I/K", "prev/next folder"],
+				["M", "parent folder (or unexpand current)"],
+				["V", "toggle folders / textfiles in navpane"],
+				["A/D", "navpane size"],
+			], [
+				"audio-player",
+				["J/L", "prev/next song"],
+				["U/O", "skip 10sec back/fwd"],
+				["0..9", "jump to 0%..90%"],
+				["P", "play/pause (also initiates)"],
+				["Y", "download song"],
+			], [
+				"image-viewer",
+				["J/L, ←/→", "prev/next pic"],
+				["Home/End", "first/last pic"],
+				["F", "fullscreen"],
+				["R", "rotate clockwise"],
+				["🡅 R", "rotate ccw"],
+				["Y", "download pic"],
+			], [
+				"video-player",
+				["U/O", "skip 10sec back/fwd"],
+				["P/K/Space", "play/pause"],
+				["C", "continue playing next"],
+				["V", "loop"],
+				["M", "mute"],
+				["[ and ]", "set loop interval"],
+			], [
+				"textfile-viewer",
+				["I/K", "prev/next file"],
+				["M", "close textfile"],
+				["S", "select file (for cut/rename)"],
+			]
+		],
+
 		"m_ok": "OK",
 		"m_ng": "Cancel",
 
@@ -399,6 +457,64 @@ var Ls = {
 			"hz": "lyd-oppløsning"
 		},
 
+		"hks": [
+			[
+				"ymse",
+				["ESC", "lukk saker og ting"],
+
+				"filbehandler",
+				["G", "listevisning eller ikoner"],
+				["T", "miniatyrbilder på/av"],
+				["🡅 A/D", "ikonstørrelse"],
+				["ctrl-K", "slett valgte"],
+				["ctrl-X", "klipp ut"],
+				["ctrl-V", "lim inn"],
+				["F2", "endre navn på valgte"],
+
+				"filmarkering",
+				["space", "marker fil"],
+				["🡑/🡓", "flytt markør"],
+				["ctrl 🡑/🡓", "flytt markør og scroll"],
+				["🡅 🡑/🡓", "velg forr./neste fil"],
+				["ctrl-A", "velg alle filer / mapper"],
+			], [
+				"navigering",
+				["B", "mappehierarki eller filsti"],
+				["I/K", "forr./neste mappe"],
+				["M", "ett nivå opp (eller lukk)"],
+				["V", "vis mapper eller tekstfiler"],
+				["A/D", "panelstørrelse"],
+			], [
+				"musikkspiller",
+				["J/L", "forr./neste sang"],
+				["U/O", "hopp 10sek bak/frem"],
+				["0..9", "hopp til 0%..90%"],
+				["P", "pause, eller start / fortsett"],
+				["Y", "last ned sang"],
+			], [
+				"bildeviser",
+				["J/L, ←/→", "forr./neste bilde"],
+				["Home/End", "første/siste bilde"],
+				["F", "fullskjermvisning"],
+				["R", "rotere mot høyre"],
+				["🡅 R", "rotere mot venstre"],
+				["Y", "last ned bilde"],
+			], [
+				"videospiller",
+				["U/O", "hopp 10sek bak/frem"],
+				["P/K/Space", "pause / fortsett"],
+				["C", "fortsett til neste fil"],
+				["V", "gjenta avspilling"],
+				["M", "lyd av/på"],
+				["[ og ]", "gjentaksintervall"],
+			], [
+				"dokumentviser",
+				["I/K", "forr./neste fil"],
+				["M", "lukk tekstdokument"],
+				["S", "velg fil (for F2/ctrl-x/...)"]
+			]
+		],
+
 		"m_ok": "OK",
 		"m_ng": "Avbryt",
 
@@ -4105,6 +4221,31 @@ function tree_up() {
 }
 
 
+function hkhelp() {
+	var html = [];
+	for (var ic = 0; ic < L.hks.length; ic++) {
+		var c = L.hks[ic];
+		html.push('<table>');
+		for (var a = 0; a < c.length; a++)
+			try {
+				if (c[a].length != 2)
+					html.push('<tr><th colspan="2">' + esc(c[a]) + '</th></tr>');
+				else
+					html.push('<tr><td>{0}</td><td>{1}</td></tr>'.format(c[a][0], c[a][1]));
+			}
+			catch (ex) {
+				html.push(">>> " + c[a]);
+			}
+
+		html.push('</table>');
+	}
+	qsr('#hkhelp');
+	var o = mknod('div', 'hkhelp');
+	o.innerHTML = html.join('\n');
+	document.body.appendChild(o);
+}
+
+
 document.onkeydown = function (e) {
 	if (e.altKey || e.isComposing)
 		return;
@@ -4116,9 +4257,15 @@ document.onkeydown = function (e) {
 		ae = document.activeElement,
 		aet = ae && ae != document.body ? ae.nodeName.toLowerCase() : '';
 
+	if (e.key == '?')
+		return hkhelp();
+
 	if (k == 'Escape') {
 		ae && ae.blur();
 
+		if (ebi('hkhelp'))
+			return qsr('#hkhelp');
+
 		if (ebi('rn_cancel'))
 			return ebi('rn_cancel').click();
 
diff --git a/copyparty/web/md.css b/copyparty/web/md.css
index 07dbf8f6..0b1cd49c 100644
--- a/copyparty/web/md.css
+++ b/copyparty/web/md.css
@@ -4,6 +4,12 @@ html, body {
 	font-family: sans-serif;
 	line-height: 1.5em;
 }
+html.y #helpbox a {
+	color: #079;
+}
+html.z #helpbox a {
+	color: #fc5;
+}
 #repl {
 	position: absolute;
 	top: 0;
diff --git a/copyparty/web/ui.css b/copyparty/web/ui.css
index 0c6f8256..4665655d 100644
--- a/copyparty/web/ui.css
+++ b/copyparty/web/ui.css
@@ -202,6 +202,7 @@ html.y #tth {
 	border: .4em solid var(--fg);
 	box-shadow: 0 2em 4em 1em var(--bg-max);
 }
+#hkhelp,
 #modal {
 	position: fixed;
     overflow: auto;