1. prohibit the upload of any video

EasyBlog
--------------
You can configure these from backend http://take.ms/L3ZfO || http://take.ms/0BAtNg

EasySocial
----------------
You can configure these from backend http://take.ms/BdURq

2. limit the number of pictures

EasyBlog
--------------
Unfortunately that was not possible to configure this.

EasySocial
----------------
You can configure this from backend > Easysocial > user > profile type > select your profile type > ACL > photo > http://take.ms/XGWiZ

3. limit the size of pictures : if the size is above the threshold, is a kind of 'max size of your pictures is xxx octets" message is displayed

EasyBlog
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You can configure from backend http://take.ms/BXS9pt , if the user upload that image file size more than that your current setting, it will pop up an error message.

EasySocial
----------------
You can configure from backend > Easysocial > user > profile type > select your profile type > ACL > photo > http://take.ms/RnMxl , if the user upload that image file size more than that your current setting, it will pop up an error message.

4. limit the size of pictures : if the size is above the threshold, the system resize the picture and upload it.

EasyBlog
--------------
Unfortunately that is not possible.

EasySocial
----------------
Unfortunately that is not possible.

Crystal clear as usual.

Many thanks Arlex

You are most welcome.

As a gentle reminder, kindly start a new thread if you have any other issue in the future so it will be easier for us to manage your inquiry. I will lock and mark this thread as resolved.