Secretbook chrome extension is A steganography tool for hiding secret messages within photos on Facebook..
A steganography tool for hiding secret messages within photos on Facebook..
send secret messages on Facebook Hide messages in photos Protect your messages from prying eyes Secretbook was built as a research project in oxford university.
Secretbook is deleted from https://chrome.google.com/webstore/. Previously it is on chrome store,its urls is https://chrome.google.com/webstore/detail/secretbook/plglafijddgpenmohgiemalpcfgjjbph