diff -u sent/config.def.h sent-pdf/config.def.h
--- sent/config.def.h	2020-05-12 20:32:04.628425521 +0200
+++ sent-pdf/config.def.h	2020-05-23 16:04:44.927236722 +0200
@@ -47,6 +47,7 @@
 	{ XK_n,           advance,        {.i = +1} },
 	{ XK_p,           advance,        {.i = -1} },
 	{ XK_r,           reload,         {0} },
+	{ XK_g,           pdf,           {0} },
 };
 
 static Filter filters[] = {
diff -u sent/config.mk sent-pdf/config.mk
--- sent/config.mk	2020-05-12 20:32:04.628425521 +0200
+++ sent-pdf/config.mk	2020-05-23 16:04:44.927236722 +0200
@@ -12,7 +12,7 @@
 
 # includes and libs
 INCS = -I. -I/usr/include -I/usr/include/freetype2 -I${X11INC}
-LIBS = -L/usr/lib -lc -lm -L${X11LIB} -lXft -lfontconfig -lX11
+LIBS = -L/usr/lib -lc -lm -L${X11LIB} -lXft -lfontconfig -lX11 -lcairo
 # OpenBSD (uncomment)
 #INCS = -I. -I${X11INC} -I${X11INC}/freetype2
 # FreeBSD (uncomment)
diff -u sent/sent.c sent-pdf/sent.c
--- sent/sent.c	2020-05-23 16:05:29.244073472 +0200
+++ sent-pdf/sent.c	2020-05-23 16:04:44.928237147 +0200
@@ -19,6 +19,10 @@
 #include <X11/Xutil.h>
 #include <X11/Xft/Xft.h>
 
+#include <cairo/cairo.h>
+#include <cairo/cairo-xlib.h>
+#include <cairo/cairo-pdf.h>
+
 #include "arg.h"
 #include "util.h"
 #include "drw.h"
@@ -97,6 +101,7 @@
 static void reload(const Arg *arg);
 static void load(FILE *fp);
 static void advance(const Arg *arg);
+static void pdf();
 static void quit(const Arg *arg);
 static void resize(int width, int height);
 static void run();
@@ -476,6 +481,34 @@
 }
 
 void
+pdf()
+{
+	const Arg next = { .i = 1 };
+	const Arg first = { .i = -(slidecount-1) };
+	cairo_surface_t *cs;
+
+	char filename[20];
+	sprintf(filename, "%s.pdf", fname);
+	cairo_surface_t *pdf = cairo_pdf_surface_create(filename, xw.w, xw.h);
+
+	cairo_t *cr = cairo_create(pdf);
+
+	idx = -1;
+	for (int i = 0; i < slidecount; ++i) {
+		cs = cairo_xlib_surface_create(xw.dpy, xw.win, xw.vis, xw.w, xw.h);
+		advance(&next);
+		cairo_set_source_surface(cr, cs, 0.0, 0.0);
+		cairo_paint(cr);
+		cairo_show_page(cr);
+		cairo_surface_destroy(cs);
+	}
+
+	cairo_destroy(cr);
+	cairo_surface_destroy(pdf);
+	advance(&first);
+}
+
+void
 quit(const Arg *arg)
 {
 	running = 0;