diff --git a/README.md b/README.md
index 09da9bd..aa238f8 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,7 @@ Minifies JS and CSS files with Babel-Minify and CleanCSS
 | Input | Description | Required | Default Value |
 | -- | -- | -- | -- |
 | directory | Directory that contains the files you want to minify. | false | . ( current directory ) |
+| exclude_directories | Exclude child folders from the main directory. Combine them in a string separated by semicolon and relative to the main directory eg. `dir1;js/dir2;js/test/dir3`. | false | "" (empty) |
 | output | Directory that contains the minified files. | false | same as directory |
 | overwrite | Overwrites the existing files with the minified version. Defaults to false. | false | false |
 | maxdepth | Descend at most levels (a non-negative integer) levels of directories below the starting-points. | false | "" (empty) |
@@ -127,3 +128,28 @@ steps:
 ```
 
 > Please note that the `repository` when _auto comitting_ has to match `output` in _auto minify_
+
+##### Excluding child directories
+
+```
+steps:
+  # Checks-out your repository under $GITHUB_WORKSPACE, so auto-minify job can access it
+  - uses: actions/checkout@v2
+
+  - name: Auto Minify
+    uses: nizarmah/auto-minify@v2.1
+    with:
+      directory: 'js'
+	  exclude_directories: 'pdf_js'
+
+  # Auto commits minified files to the repository
+  # Ignore it if you don't want to commit the files to the repository 
+  - name: Auto committing minified files
+    uses: stefanzweifel/git-auto-commit-action@v4
+    with:
+      repository: 'js'
+      commit_message: "Github Action: Auto Minified JS and CSS files"
+      branch: ${{ github.ref }}
+```
+
+> Please note that the `exclude_directories` will be relative to the `directory` which here is `js`. In this example the `pdf_js` directory full path would be `js/pdf_js`.
\ No newline at end of file
diff --git a/action.yml b/action.yml
index 4f7620d..a194c6b 100644
--- a/action.yml
+++ b/action.yml
@@ -8,8 +8,12 @@ inputs:
     description: "Directory that contains the files you want to minify. Defaults to current directory (.)"
     required: false
     default: "."
+  exclude_directories:
+    description: "Exclude child folders from the main directory. Combine them in a string separated by semicolon and relative to the main directory eg. 'dir1;js/dir2;js/test/dir3'"
+    required: false
+    default: ""
   output:
-    description: "Directory that contains the minified files. Defaults to same directory"
+    description: "Directory that contains the minified files. Defaults to same directory."
     required: false
     default: ""
   overwrite:
diff --git a/entrypoint.sh b/entrypoint.sh
index 1d2c05b..6b996d0 100644
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -56,19 +56,32 @@ find_files () {
 
 	optional parameters:
 		- `-maxdepth`
-
-	Clear all optional parameter keys in case the values are empty
-	So, when appended to the command parameters, no error is caused
 	'
 
-	MAXDEPTH_KEY="-maxdepth"
-	MAXDEPTH_VAL=$INPUT_MAXDEPTH
+	if ! [ -z $INPUT_MAXDEPTH ] && [[ $INPUT_MAXDEPTH == ?(-)+([0-9]) ]]; then
+		MAXDEPTH="-maxdepth ${INPUT_MAXDEPTH}"
+	else
+		MAXDEPTH=""
+	fi
+
+	EXCLUDES=()
+	if ! [ -z $INPUT_EXCLUDE_DIRECTORIES ]; then
+		IFS=';' read -ra EXCLUDES_ARRAY <<< "$INPUT_EXCLUDE_DIRECTORIES"
+		for i in ${EXCLUDES_ARRAY[@]}; do
+			if [ -z $EXCLUDES ]; then
+				EXCLUDES+=("-path" "$in_dir/$i")
+			else
+				EXCLUDES+=("-o" "-path" "$in_dir/$i")
+			fi
+		done
+	fi
 
-	if [ -z $MAXDEPTH_VAL ]; then
-		MAXDEPTH_KEY=""
+	if ! [ -z $EXCLUDES ]; then
+		EXCLUDES="-type d \( ${EXCLUDES[@]} \) -prune -o"
 	fi
 
-	find $in_dir ${MAXDEPTH_KEY} ${MAXDEPTH_VAL} -type f -name "*.$1" -not \( -iname "*\.min.$1" \)
+	COMMAND="find $in_dir ${MAXDEPTH} ${EXCLUDES} -type f -name *.$1 -not \( -iname *\.min.$1 \) -print"
+	eval ${COMMAND}
 }
 
 exec_minify_js () {