diff --git a/copyparty/httpcli.py b/copyparty/httpcli.py
index 0a3bc2d2..0b895eae 100644
--- a/copyparty/httpcli.py
+++ b/copyparty/httpcli.py
@@ -2281,6 +2281,9 @@ class HttpCli(object):
 
             j2a["doc"] = doc
 
+        if not self.conn.hsrv.prism:
+            j2a["no_prism"] = True
+
         for d in dirs:
             d["name"] += "/"
 
@@ -2289,7 +2292,7 @@ class HttpCli(object):
         j2a["files"] = dirs + files
         j2a["logues"] = logues
         j2a["taglist"] = taglist
-        j2a["txt_ext"] = self.args.textfiles.replace(',', ' ')
+        j2a["txt_ext"] = self.args.textfiles.replace(",", " ")
 
         if "mth" in vn.flags:
             j2a["def_hcols"] = vn.flags["mth"].split(",")
diff --git a/copyparty/httpsrv.py b/copyparty/httpsrv.py
index 4150e55e..1cc7bee7 100644
--- a/copyparty/httpsrv.py
+++ b/copyparty/httpsrv.py
@@ -76,6 +76,7 @@ class HttpSrv(object):
             x: env.get_template(x + ".html")
             for x in ["splash", "browser", "browser2", "msg", "md", "mde"]
         }
+        self.prism = os.path.exists(os.path.join(E.mod, "web", "deps", "prism.js.gz"))
 
         cert_path = os.path.join(E.cfg, "cert.pem")
         if bos.path.exists(cert_path):
diff --git a/copyparty/web/browser.html b/copyparty/web/browser.html
index 4b27f836..3bd37568 100644
--- a/copyparty/web/browser.html
+++ b/copyparty/web/browser.html
@@ -142,6 +142,7 @@
 			have_unpost = {{ have_unpost|tojson }},
 			have_zip = {{ have_zip|tojson }},
 			txt_ext = "{{ txt_ext }}",
+			{% if no_prism %}no_prism = 1,{% endif %}
 			readme = {{ readme|tojson }};
 
 		document.documentElement.setAttribute("class", localStorage.lightmode == 1 ? "light" : "dark");
diff --git a/copyparty/web/browser.js b/copyparty/web/browser.js
index 7c5f38ab..bdc78026 100644
--- a/copyparty/web/browser.js
+++ b/copyparty/web/browser.js
@@ -2336,6 +2336,9 @@ var showfile = (function () {
 		em = [r.sname(window.location.search), window.location.hash, em.textContent];
 
 	r.setstyle = function () {
+		if (window['no_prism'])
+			return;
+
 		qsr('#prism_css');
 		var el = mknod('link');
 		el.rel = 'stylesheet';
@@ -2438,11 +2441,13 @@ var showfile = (function () {
 		else {
 			el.textContent = txt;
 			el.innerHTML = '<code>' + el.innerHTML + '</code>';
-			el.setAttribute('class', 'prism linkable-line-numbers line-numbers language-' + lang);
-			if (!defer)
-				fun(el.firstChild);
-			else
-				import_js('/.cpr/deps/prism.js', function () { fun(); });
+			if (!window['no_prism']) {
+				el.setAttribute('class', 'prism linkable-line-numbers line-numbers language-' + lang);
+				if (!defer)
+					fun(el.firstChild);
+				else
+					import_js('/.cpr/deps/prism.js', function () { fun(); });
+			}
 		}
 
 		wr.appendChild(el);
diff --git a/scripts/copyparty-repack.sh b/scripts/copyparty-repack.sh
index 08049c86..47a91019 100755
--- a/scripts/copyparty-repack.sh
+++ b/scripts/copyparty-repack.sh
@@ -29,7 +29,8 @@ set -e
 # 259288  copyparty-extras/sfx-lite/copyparty-sfx.sh
 # 270004  copyparty-extras/sfx-lite/copyparty-sfx.py
 # 293159  copyparty-extras/sfx-lite/copyparty-sfx-gz.py
-#           `- also removed the codemirror markdown editor,
+#           `- also removed the codemirror markdown editor
+#              and the text-viewer syntax hilighting,
 #              only essential features remaining
 #
 # 646297  copyparty-extras/copyparty-1.0.14.tar.gz
@@ -141,8 +142,8 @@ repack() {
 repack sfx-full "re gz no-sh"
 repack sfx-ent  "re no-dd no-ogv"
 repack sfx-ent  "re no-dd no-ogv gz no-sh"
-repack sfx-lite "re no-dd no-ogv no-cm"
-repack sfx-lite "re no-dd no-ogv no-cm gz no-sh"
+repack sfx-lite "re no-dd no-ogv no-cm no-hl"
+repack sfx-lite "re no-dd no-ogv no-cm no-hl gz no-sh"
 
 
 # move fuse and up2k clients into copyparty-extras/,
diff --git a/scripts/make-sfx.sh b/scripts/make-sfx.sh
index 6d66bb0e..ed12f5ed 100755
--- a/scripts/make-sfx.sh
+++ b/scripts/make-sfx.sh
@@ -22,6 +22,8 @@ help() { exec cat <<'EOF'
 # `no-cm` saves ~92k by removing easymde/codemirror
 #   (the fancy markdown editor)
 #
+# `no-hl` saves ~41k by removing syntax hilighting in the text viewer
+#
 # `no-fnt` saves ~9k by removing the source-code-pro font
 #   (browsers will try to use 'Consolas' instead)
 #
@@ -75,6 +77,7 @@ while [ ! -z "$1" ]; do
 		gz)     use_gz=1 ; ;;
 		no-ogv) no_ogv=1 ; ;;
 		no-fnt) no_fnt=1 ; ;;
+		no-hl)  no_hl=1  ; ;;
 		no-dd)  no_dd=1  ; ;;
 		no-cm)  no_cm=1  ; ;;
 		no-sh)  do_sh=   ; ;;
@@ -226,6 +229,9 @@ rm have
 	tmv "$f"
 }
 
+[ $no_hl ] &&
+	rm -rf copyparty/web/deps/prism*
+
 [ $no_fnt ] && {
 	rm -f copyparty/web/deps/scp.woff2
 	f=copyparty/web/ui.css
diff --git a/scripts/sfx.ls b/scripts/sfx.ls
index a65f5686..f7c75787 100644
--- a/scripts/sfx.ls
+++ b/scripts/sfx.ls
@@ -57,6 +57,9 @@ copyparty/web/deps/ogv-demuxer-ogg-wasm.js,
 copyparty/web/deps/ogv-demuxer-ogg-wasm.wasm,
 copyparty/web/deps/ogv-worker-audio.js,
 copyparty/web/deps/ogv.js,
+copyparty/web/deps/prism.js,
+copyparty/web/deps/prism.css,
+copyparty/web/deps/prismd.css,
 copyparty/web/deps/scp.woff2,
 copyparty/web/deps/sha512.ac.js,
 copyparty/web/deps/sha512.hw.js,