diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6b9e33f0..9e07b308 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -72,6 +72,8 @@ means foot can be PGO:d in e.g. sandboxed build scripts. See
   implements foot's old font sizing behavior. But, when **disabled**,
   foot will ignore the monitors' DPI and instead size fonts using the
   scale factor alone (https://codeberg.org/dnkl/foot/issues/206).
+* `-w,--window-size-pixels` and `-W,--window-size-chars` command line
+  options to `footclient`.
 
 
 ### Changed
diff --git a/client.c b/client.c
index 8eb969d6..9887c514 100644
--- a/client.c
+++ b/client.c
@@ -37,6 +37,8 @@ print_usage(const char *prog_name)
     printf("  -t,--term=TERM                        value to set the environment variable TERM to (foot)\n"
            "     --title=TITLE                      initial window title (foot)\n"
            "  -a,--app-id=ID                        window application ID (foot)\n"
+           "  -w,--window-size-pixels=WIDTHxHEIGHT  initial width and height, in pixels\n"
+           "  -W,--window-size-chars=WIDTHxHEIGHT   initial width and height, in characters\n"
            "     --maximized                        start in maximized mode\n"
            "     --fullscreen                       start in fullscreen mode\n"
            "     --login-shell                      start shell as a login shell\n"
diff --git a/completions/zsh/_footclient b/completions/zsh/_footclient
index a1307e97..3c375fd1 100644
--- a/completions/zsh/_footclient
+++ b/completions/zsh/_footclient
@@ -8,6 +8,8 @@ _arguments \
     '--maximized[start in maximized mode]' \
     '--fullscreen[start in fullscreen mode]' \
     '--login-shell[start shell as a login shell]' \
+    '(-w --window-size-pixels)'{-w,--window-size-pixels}'[window WIDTHxHEIGHT, in pixels (700x500)]:size_pixels:()' \
+    '(-W --window-size-chars)'{-W,--window-size-chars}'[window WIDTHxHEIGHT, in characters (not set)]:size_chars:()' \
     '(-s --server-socket)'{-s,--server-socket}'[override the default path to the foot server socket ($XDG_RUNTIME_DIR/foot-$WAYLAND_DISPLAY.sock)]:server:_files' \
     '--hold[remain open after child process exits]' \
     '(-l --log-colorize)'{-l,--log-colorize}'[enable or disable colorization of log output on stderr]:logcolor:(never always auto)' \
diff --git a/doc/footclient.1.scd b/doc/footclient.1.scd
index 5da91119..cc520391 100644
--- a/doc/footclient.1.scd
+++ b/doc/footclient.1.scd
@@ -32,6 +32,12 @@ terminal has terminated).
 	Value to set the *app-id* property on the Wayland window
 	to. Default: _foot_.
 
+*-w*,*--window-size-pixels*=_WIDTHxHEIGHT_
+	Set initial window width and height, in pixels. Default: _700x500_.
+
+*-W*,*--window-size-chars*=_WIDTHxHEIGHT_
+	Set initial window width and height, in characters. Default: _not set_.
+
 *--maximized*
 	Start in maximized mode. If both *--maximized* and *--fullscreen*
 	are specified, the _last_ one takes precedence.