## DESCRIPTION
**youtube-dl** is a small command-line program to download videos from
YouTube.com and a few more sites. It requires the Python interpreter, version
-2.x (x being at least 5), and it is not platform specific. It should work in
+2.x (x being at least 6), and it is not platform specific. It should work in
your Unix box, in Windows or in Mac OS X. It is released to the public domain,
which means you can modify it, redistribute it or use it however you like.
## OPTIONS
-h, --help print this help text and exit
- -v, --version print program version and exit
+ --version print program version and exit
-U, --update update this program to latest version
-i, --ignore-errors continue on download errors
-r, --rate-limit LIMIT download rate limit (e.g. 50k or 44.6m)
--get-format simulate, quiet but print output format
--no-progress do not print progress bar
--console-title display progress in console titlebar
+ -v, --verbose print various debugging information
### Video Format Options:
-f, --format FORMAT video format code
requested
--max-quality FORMAT highest quality format to download
-F, --list-formats list all available formats (currently youtube only)
+ --write-srt write video closed captions to a .srt file
+ (currently youtube only)
+ --srt-lang LANG language of the closed captions to download
+ (optional) use IETF language tags like 'en'
### Authentication Options:
-u, --username USERNAME account username
### Post-processing Options:
--extract-audio convert video files to audio-only files (requires
- ffmpeg and ffprobe)
+ ffmpeg or avconv and ffprobe or avprobe)
--audio-format FORMAT "best", "aac", "vorbis", "mp3", "m4a", or "wav";
best by default
- --audio-quality QUALITY ffmpeg audio bitrate specification, 128k by default
+ --audio-quality QUALITY ffmpeg/avconv audio bitrate specification, 128k by
+ default
-k, --keep-video keeps the video file on disk after the post-
processing; the video is erased by default
### The links provided by youtube-dl -g are not working anymore
-The URLs youtube-dl outputs require the downloader to have the correct cookies. Use the `--cookies` option to write the required cookies into a file, and advise your downloader to read cookies from that file.
+The URLs youtube-dl outputs require the downloader to have the correct cookies. Use the `--cookies` option to write the required cookies into a file, and advise your downloader to read cookies from that file. Some sites also require a common user agent to be used, use `--dump-user-agent` to see the one in use by youtube-dl.
### ERROR: no fmt_url_map or conn information found in video info