NOTE: no application will give you a 100% result, because VKontakte social network does not provide open access to hidden friends.

All applications work based on the analysis of the user's page: likes, subscribers, reposts, videos, user posts, mutual friends, saved photos, etc.

How to use:

1. The user’s search is not from the list of friends.
  1.1 Go to the "Search by link" section;
  1.2 Enter the user's VKontakte link;
  1.3 Click the "Check" button;
  1.4 Expect;
  1.5 As hidden friends are found, they will be added to the list;
  1.6 By clicking on the "Show" button, you get to the page of a hidden friend.

2. Search with friends.
  2.1 Choose a friend in the "Choose from friends";
  2.2 Click the "Check" button;
  2.3 Further actions are similar to paragraphs 1.4-1.6.

Attention: the application does not show guests, likes.