diff --git a/.gitignore b/.gitignore
index 12c1930..0f20a9e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 *.deb
 a.out
 dist
+*.swp
diff --git a/Makefile b/Makefile
index 2034a81..aba159e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,24 +1,30 @@
 all: djl-utils.deb
 
 dist: bin DEBIAN.control
-bin: sign pasta suptime stopwatch timestamp 
+bin: sign pasta suptime countdown stopwatch timestamp
 
-sign: src/sign
+distdir:
+	mkdir -p dist/usr/bin
+
+sign: src/sign distdir
 	cp src/sign dist/usr/bin
 
-pasta: src/pasta
+pasta: src/pasta distdir
 	cp src/pasta dist/usr/bin
 
-suptime: src/suptime.c
+suptime: src/suptime.c distdir
 	cc -o dist/usr/bin/suptime src/suptime.c
 
-stopwatch: src/stopwatch.c
+countdown: src/countdown.c distdir
+	cc -o dist/usr/bin/countdown src/countdown.c
+
+stopwatch: src/stopwatch.c distdir
 	cc -o dist/usr/bin/stopwatch src/stopwatch.c
 
-timestamp: src/timestamp
+timestamp: src/timestamp distdir
 	cp src/timestamp dist/usr/bin
 
-DEBIAN.control: src/DEBIAN/control
+DEBIAN.control: src/DEBIAN/control distdir
 	rm -rf dist/DEBIAN
 	cp -r src/DEBIAN dist/DEBIAN
 
diff --git a/src/countdown.c b/src/countdown.c
new file mode 100644
index 0000000..7d30b91
--- /dev/null
+++ b/src/countdown.c
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2020 Dylan Lom <djl@dylanlom.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+ * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */ 
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include "util/util.h"
+
+const char* argv0;
+
+void usage() {
+    fprintf(stderr, "usage: %s time\n", argv0);
+    exit(EXIT_FAILURE);
+}
+
+int main(int argc, char* argv[]) {
+    SET_ARGV0();
+
+    if (argc < 1) usage();
+    long time;
+    char* p;
+    time = strtol(argv[0], &p, 10);
+    if (errno != 0 || *p != '\0') {
+        fprintf(stderr, "strtol: %s\n", errno
+                ? strerror(errno)
+                : "Failed to parse time argument."
+        );
+        exit(EXIT_FAILURE);
+    }
+    SHIFT_ARGS();
+
+    while (time) {
+        /* Clear stdout, otherwise going from e.g. 10->9 leaves a trailing 0 */
+        printf("\r                    ");
+        printf("\r%d", time);
+        fflush(stdout);
+        sleep(1);
+        time--;
+    }
+
+    puts("\n");
+    return EXIT_SUCCESS;
+}
diff --git a/src/stopwatch.c b/src/stopwatch.c
index d202e47..50528a1 100644
--- a/src/stopwatch.c
+++ b/src/stopwatch.c
@@ -18,6 +18,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <termios.h>
+#include "util/util.h"
 
 const char* argv0;
 
@@ -27,14 +28,12 @@ void usage() {
 }
 
 void printtime(int t) {
-    printf("\rstopwatch: %d", t);
+    printf("\r%d", t);
     fflush(stdout);
 }
 
-#define SHIFT_ARGS() argv++; argc--;
 int main(int argc, char* argv[]) {
-    argv0 = argv[0];
-    SHIFT_ARGS();
+    SET_ARGV0();
     if (argc > 0) usage();
 
     time_t t = 0;
diff --git a/src/util/util.h b/src/util/util.h
new file mode 100644
index 0000000..a121f83
--- /dev/null
+++ b/src/util/util.h
@@ -0,0 +1,3 @@
+#define SHIFT_ARGS() argv++; argc--;
+#define SET_ARGV0()  argv0 = argv[0]; SHIFT_ARGS();
+