X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=youtube-dl;a=blobdiff_plain;f=CONTRIBUTING.md;fp=CONTRIBUTING.md;h=6c1739860753cef7a2f01dbc39bb8474b1d76ff3;hp=a71b045d02ec1a47b4a3916f0fb211c267a70182;hb=e71be6ee9f239308765443d49d91358fa306e48a;hpb=bf8ebc9cfe1ae2b62baf2116f84748db03c4df7c

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index a71b045d0..6c1739860 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -339,7 +339,7 @@ Incorrect:
 'PLMYEtVRpaqY00V9W81Cwmzp6N6vZqfUKD4'
 ```
 
-### Use safe conversion functions
+### Use convenience conversion and parsing functions
 
 Wrap all extracted numeric data into safe functions from [`youtube_dl/utils.py`](https://github.com/rg3/youtube-dl/blob/master/youtube_dl/utils.py): `int_or_none`, `float_or_none`. Use them for string to number conversions as well.
 
@@ -347,6 +347,8 @@ Use `url_or_none` for safe URL processing.
 
 Use `try_get` for safe metadata extraction from parsed JSON.
 
+Use `unified_strdate` for uniform `upload_date` or any `YYYYMMDD` meta field extraction, `unified_timestamp` for uniform `timestamp` extraction, `parse_filesize` for `filesize` extraction, `parse_count` for count meta fields extraction, `parse_resolution`, `parse_duration` for `duration` extraction, `parse_age_limit` for `age_limit` extraction. 
+
 Explore [`youtube_dl/utils.py`](https://github.com/rg3/youtube-dl/blob/master/youtube_dl/utils.py) for more useful convenience functions.
 
 #### More examples