Rabyaan

Online

Rabyaan

Online

Vaulto

Privacy-First Secure File Storage & Sharing App

Services

Mobile App
UI/UX

Industry

Cybersecurity
Privacy
Productivity

Time Frame

8 Weeks

Overview

Vaulto is a secure file storage and sharing app built for people who don’t want their private documents exposed, scanned, or accessed by anyone else — including the platform itself. Unlike traditional cloud storage, Vaulto treats privacy as the default, not an upgrade. The goal of the project was to design a digital vault where files are locked on the user’s device before they ever touch the internet, making privacy simple, automatic, and invisible to the user.

Problem

Most cloud storage apps rely on trust rather than true privacy. While users believe their files are safe behind passwords, in reality the provider can still access, scan, or expose that data if systems are breached or access is requested.

This creates serious risk for people storing sensitive documents like personal IDs, legal papers, medical records, business files, or private media. The challenge was to design a system where privacy does not depend on trust, technical knowledge, or user effort — it simply works by default.

Solution

Vaulto was designed as a zero-knowledge system where files are encrypted on the user’s device before upload. The cloud only stores encrypted data, meaning the platform never has access to the original files.

Sharing is handled by granting cryptographic access rather than sending copies, allowing users to control who can view a file and revoke access at any time. Advanced protections like screenshot blocking and device integrity checks run silently in the background, keeping the experience simple while maintaining strong security.

My Role

I shaped the product concept and user flow, focusing on translating complex security principles into a clear, trust-building experience that feels as easy as normal cloud storage while offering far stronger privacy guarantees.

Highlights

Client-side encryption before upload
Zero-knowledge cloud storage
Secure file sharing via email or QR codes
Access revocation at any time
Screenshot and screen-recording protection
Client-side encryption before upload
Zero-knowledge cloud storage
Secure file sharing via email or QR codes
Access revocation at any time
Screenshot and screen-recording protection
Client-side encryption before upload
Zero-knowledge cloud storage
Secure file sharing via email or QR codes
Access revocation at any time
Screenshot and screen-recording protection

Key Takeaway

Vaulto demonstrates how strong privacy doesn’t need to feel complex or technical. By encrypting files before they leave the device and sharing access rather than copies, the product gives users full control over their data — without requiring them to understand security at all. It reframes cloud storage from “trust us” to “no one else can access it,” turning privacy into a built-in feature rather than a promise.

Android
Kotlin
Firebase
Google Cloud
Android
Kotlin
Firebase
Google Cloud

Available for projects before I get too famous

Rabyaan

Crafted with obsessive attention to unnecessary details

Stay in the Loop

Design trends, code snippets, project stories, newest products, and why I chose that font

© 2025 Rabyaan

Karachi, PK (working globally)

Available for projects before I get too famous

Rabyaan

Crafted with obsessive attention to unnecessary details

Stay in the Loop

Design trends, code snippets, project stories, newest products, and why I chose that font

© 2025 Rabyaan

Karachi, PK (working globally)

Available for projects before I get too famous

Rabyaan

Crafted with obsessive attention to unnecessary details

Stay in the Loop

Design trends, code snippets, project stories, newest products, and why I chose that font

© 2025 Rabyaan

Karachi, PK (working globally)