diff --git a/main.go b/main.go
index 75a3f19..190f765 100644
--- a/main.go
+++ b/main.go
@@ -134,12 +134,14 @@ func captureHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	// Resize to 50% using sips
-	if out, err := exec.Command("sips", "-g", "pixelWidth", tmpFile).Output(); err == nil {
-		re := regexp.MustCompile(`pixelWidth:\s*(\d+)`)
-		if m := re.FindSubmatch(out); m != nil {
-			if w, _ := strconv.Atoi(string(m[1])); w > 0 {
-				exec.Command("sips", "--resampleWidth", strconv.Itoa(w/2), tmpFile).Run()
+	// Resize to 50% unless full resolution requested
+	if r.URL.Query().Get("full") != "1" {
+		if out, err := exec.Command("sips", "-g", "pixelWidth", tmpFile).Output(); err == nil {
+			re := regexp.MustCompile(`pixelWidth:\s*(\d+)`)
+			if m := re.FindSubmatch(out); m != nil {
+				if w, _ := strconv.Atoi(string(m[1])); w > 0 {
+					exec.Command("sips", "--resampleWidth", strconv.Itoa(w/2), tmpFile).Run()
+				}
 			}
 		}
 	}