diff --git a/nhentai/cmdline.py b/nhentai/cmdline.py
index fd74c3d..5435c06 100644
--- a/nhentai/cmdline.py
+++ b/nhentai/cmdline.py
@@ -109,6 +109,9 @@ def cmd_parser():
                       help='format the saved folder name', default='[%i][%a][%t]')
     parser.add_option('--dry-run', action='store_true', dest='dryrun', help='Dry run, skip file download')
 
+    parser.add_option('--no-filename-padding', action='store_true', dest='no_filename_padding',
+                      default=False, help='no padding in the images filename, such as \'001.jpg\'')
+
     # generate options
     parser.add_option('--html', dest='html_viewer', action='store_true',
                       help='generate a html viewer at current directory')
diff --git a/nhentai/command.py b/nhentai/command.py
index 146c114..828c364 100644
--- a/nhentai/command.py
+++ b/nhentai/command.py
@@ -86,7 +86,8 @@ def main():
     if not options.is_show:
         downloader = Downloader(path=options.output_dir, threads=options.threads,
                                 timeout=options.timeout, delay=options.delay,
-                                retry=options.retry, exit_on_fail=options.exit_on_fail)
+                                retry=options.retry, exit_on_fail=options.exit_on_fail,
+                                no_filename_padding=options.no_filename_padding)
 
         for doujinshi_id in doujinshi_ids:
             doujinshi_info = doujinshi_parser(doujinshi_id)
diff --git a/nhentai/downloader.py b/nhentai/downloader.py
index b17619a..438a994 100644
--- a/nhentai/downloader.py
+++ b/nhentai/downloader.py
@@ -34,7 +34,8 @@ def download_callback(result):
 
 
 class Downloader(Singleton):
-    def __init__(self, path='', threads=5, timeout=30, delay=0, retry=3, exit_on_fail=False):
+    def __init__(self, path='', threads=5, timeout=30, delay=0, retry=3, exit_on_fail=False,
+                 no_filename_padding=False):
         self.threads = threads
         self.path = str(path)
         self.timeout = timeout
@@ -43,6 +44,7 @@ class Downloader(Singleton):
         self.exit_on_fail = exit_on_fail
         self.folder = None
         self.semaphore = None
+        self.no_filename_padding = no_filename_padding
 
     async def fiber(self, tasks):
         self.semaphore = asyncio.Semaphore(self.threads)
@@ -70,7 +72,11 @@ class Downloader(Singleton):
 
         filename = filename if filename else os.path.basename(urlparse(url).path)
         base_filename, extension = os.path.splitext(filename)
-        filename = base_filename.zfill(length) + extension
+
+        if not self.no_filename_padding:
+            filename = base_filename.zfill(length) + extension
+        else:
+            filename = base_filename + extension
 
         save_file_path = os.path.join(self.folder, filename)