diff --git a/copyparty/__main__.py b/copyparty/__main__.py
index 074f865f..bc7fe997 100644
--- a/copyparty/__main__.py
+++ b/copyparty/__main__.py
@@ -1752,6 +1752,7 @@ def add_ui(ap, retry):
     ap2.add_argument("--qdel", metavar="LVL", type=int, default=2, help="number of confirmations to show when deleting files (2/1/0)")
     ap2.add_argument("--unlist", metavar="REGEX", type=u, default="", help="don't show files/folders matching \033[33mREGEX\033[0m in file list. WARNING: Purely cosmetic! Does not affect API calls, just the browser. Example: [\033[32m\\.(js|css)$\033[0m] (volflag=unlist)")
     ap2.add_argument("--favico", metavar="TXT", type=u, default="c 000 none" if retry else "🎉 000 none", help="\033[33mfavicon-text\033[0m [ \033[33mforeground\033[0m [ \033[33mbackground\033[0m ] ], set blank to disable")
+    ap2.add_argument("--pwa", action="store_true", help="announce webmanifest; use folders as PWA")
     ap2.add_argument("--ext-th", metavar="E=VP", type=u, action="append", help="\033[34mREPEATABLE:\033[0m use thumbnail-image \033[33mVP\033[0m for file-extension \033[33mE\033[0m, example: [\033[32mexe=/.res/exe.png\033[0m] (volflag=ext_th)")
     ap2.add_argument("--mpmc", type=u, default="", help=argparse.SUPPRESS)
     ap2.add_argument("--spinner", metavar="TXT", type=u, default="🌲", help="\033[33memoji\033[0m or \033[33memoji,css\033[0m Example: [\033[32m🥖,padding:0\033[0m]")
diff --git a/copyparty/httpcli.py b/copyparty/httpcli.py
index 26b85a18..599d06c9 100644
--- a/copyparty/httpcli.py
+++ b/copyparty/httpcli.py
@@ -757,6 +757,11 @@ class HttpCli(object):
             self.html_head += META_NOBOTS
             self.out_headers["X-Robots-Tag"] = "noindex, nofollow"
 
+        if self.args.pwa:
+            proto = "https" if self.is_https else "http"
+            url = "{}://{}/{}".format(proto, self.host, self.vpath)
+            self.html_head += '<link rel="manifest" href="{}?pwa" />'.format(url)
+
         try:
             cors_k = self._cors()
             if self.mode in ("GET", "HEAD"):
@@ -1368,6 +1373,9 @@ class HttpCli(object):
         if "rss" in self.uparam:
             return self.tx_rss()
 
+        if "pwa" in self.uparam:
+            return self.tx_pwa()
+
         return self.tx_browser()
 
     def tx_rss(self) -> bool:
@@ -1512,6 +1520,20 @@ class HttpCli(object):
         self.log("rss: %d hits, %d bytes" % (len(hits), len(bret)))
         return True
 
+    def tx_pwa(self) -> bool:
+        proto = "https" if self.is_https else "http"
+        url = "{}://{}/{}".format(proto, self.host, self.vpath)
+        name = "{} {} {}".format(self.args.favico.split(" ")[0], self.args.name, self.vpath)
+        ret = {
+            "name": name, "short_name": name,
+            "start_url": "{}".format(url),
+            "theme_color": "#000000", "background_color": "#000000",
+            "display": "standalone"
+        }
+        zs = json.dumps(ret, separators=(",\n", ": "))
+        self.reply(zs.encode("utf-8", "replace"), mime="application/json")
+        return True
+
     def handle_propfind(self) -> bool:
         if self.do_log:
             self.log("PFIND %s @%s" % (self.req, self.uname))