--- a/video.rst	Wed Aug 24 01:50:38 2016 +0300
+++ b/video.rst	Wed Aug 24 01:59:41 2016 +0300
@@ -45,6 +45,16 @@
 
   $ ffmpeg -i $IN.avi -vf fps=1 image-%03d.png
 
+Extract subtitles from video
+============================
+
+Find stream id with ``ffprobe $VIDEO`` and pass to::
+
+  $ ffmpeg -y -i in.mkv -map 0:$ID -f webvtt out.vtt
+
+List of supported by ``ffmpeg`` subtitle formats::
+
+  $ ffmpeg -formats | grep subt
 
 Playing 3d film
 ===============