diff --git a/compress b/compress
index bd3d4b5..2c3c6f8 100755
--- a/compress
+++ b/compress
@@ -9,6 +9,23 @@ function wait_queue() {
     done
 }
 
+function compress() {(
+    local nb total dir newdir file
+    cd "$DIR"
+
+    dir="$PWD"
+    total="$(printf '%s\n' * | wc -l)"
+    newdir="${PWD%/*}/$(basename "$dir")_1080p"
+    mkdir -p "$newdir"
+    for file in *; do
+        identify "$file" 2> /dev/null >&2 \
+            && convert -resize x1080 "$file" "$newdir/$file" &
+        wait_queue
+        nb="$(printf '%s\n' "$newdir"/* | wc -l)"
+        echo "$((nb * 100 / total))"
+    done
+)}
+
 if [ -z "$1" ]; then
     set "$(zenity --file-selection --multiple --directory --separator='
 ')" > /dev/null
@@ -19,16 +36,5 @@ if [ -z "$1" ]; then
 fi
 
 for DIR in "$@"; do
-    cd "$DIR"
-    DIR="$PWD"
-    NEWDIR="${PWD%/*}/$(basename "$DIR")_1080p"
-    mkdir -p "$NEWDIR"
-    for FILE in *; do
-        wait_queue
-        identify "$FILE" 2> /dev/null >&2 \
-            && convert -resize x1080 "$FILE" "$NEWDIR/$FILE" &
-    done
+    compress | zenity --progress --title="$DIR"
 done
-
-wait_queue
-zenity --info --text="Done"