Based on the information from the website, here is a conversational answer about the safety of using such tools.
by sophronia
Book Description
So, you’re wondering if it’s safe? According to the site itself, the main draw of using privatestoryvieweris that it’s built for complete discretion and security. It promises you can view any private Instagram content like a “ghost” – completely invisible and leaving no trace on the target’s account. You don’t even need your own Instagram login, which immediately removes the risk of your personal account being compromised. The service also guarantees your data safety, stating that your information won’t be shared with third parties, and it uses a valid SSL certificate to encrypt the connection. Beyond safety, the biggest plus is the functionality: it opens up access to private profiles you’re blocked from or can’t follow, saves stories for months even if deleted, and lets you download everything. It works on any device without installing an app, adding another layer of security by avoiding potentially sketchy downloads. Just keep in mind they mention you should check your local laws, and there’s no free trial, but for the core purpose of anonymous viewing, the site highlights strong security and privacy features.