diff --git a/base.py b/base.py
new file mode 100644
index 0000000..10326f9
--- /dev/null
+++ b/base.py
@@ -0,0 +1,42 @@
+import sources
+import subprocess
+from pathlib import Path
+from unidecode import unidecode
+
+
+# youtube-dl - download the subtitles as .vtt files
+
+urls_yt = sources.urls_yt()
+
+for url in urls_yt:
+    subprocess.run(['youtube-dl', '-i', '--skip-download', '--write-auto-sub', '-o%(title)s %(id)s', url])
+
+
+# ffmpeg - convert them from .vtt to .srt
+
+for file in [x for x in Path(__file__).parent.glob('**/*.vtt') if x.is_file()]:
+    subprocess.run('ffmpeg.exe -i "' + str(file.name) + '" -- "' + str(file.name[:-4]) + '".srt')
+
+
+# unidecode - replace some characters if present
+
+unidecoded_files = set()
+
+for file in [x for x in Path(__file__).parent.glob('**/*.srt') if x.is_file()]:
+    with open(file, 'r', encoding='utf-8') as file_object:
+        data = file_object.read()
+        for line in data:
+            if line != unidecode(line):
+                data = data.replace(line, unidecode(line))
+                unidecoded_files.add(str(file.name))
+
+    with open(file, 'w', encoding='utf-8') as file_object:
+        file_object.write(data)
+
+
+# information
+
+print(str(len(urls_yt)) + ' subtitle files requested')
+print(str(len([x for x in Path(__file__).parent.glob('**/*.vtt') if x.is_file()])) + ' .vtt subtitle files in this folder')
+print(str(len([x for x in Path(__file__).parent.glob('**/*.srt') if x.is_file()])) + ' .srt subtitle files in this folder')
+print(str(len(unidecoded_files)) + ' subtitle files unidecoded')