A list of webpages that we know contain pictures and videos of child sexual abuse so Members can block access.
The principles and procedures under which the child sexual abuse content URL list is made available to members and under licence to specific non-members.
Our work specifically relates to images and videos showing child sexual abuse online. Here are useful links if you need help with something else.
Technology companies can use our growing list of IntelliGrade hashes to stop the upload, sharing and storage of known child sexual abuse imagery on their platforms.
Utropolis became an IWF Member on 1 February 2026. They support us in our aims to eliminate online child sexual abuse.
Verafin became an IWF Member on 1 March 2023. They support us in our aims to eliminate online child sexual abuse.