WhatsMyName is a free, open-source OSINT tool that instantly discovers username presence across 640+ online platforms.
What is WhatsMyName?
WhatsMyName is a web-based open-source intelligence (OSINT) tool that takes a username as input and returns a list of platforms where that username is registered. It operates entirely in the browser without requiring any installation or registration, and is maintained by a community of contributors.
Key Features
- Comprehensive Platform Coverage — Scans 640+ social media, forums, dating sites, and professional networks for a username.
- Real-Time Detection — Displays live progress updates during scanning so you can track results as they come in.
- Community-Driven Updates — Platform detection rules are continuously improved by contributors worldwide via GitHub.
- Privacy-Focused — No personal data is collected or stored; all scanning happens client-side.
- Free and No Registration — Full functionality is available without creating an account or paying any fee.
- Mobile-Responsive Design — Works on smartphones and tablets for on-the-go investigations.
Who is it for?
- Digital investigators — Quickly identify a subject's online footprint across hundreds of sites in minutes.
- Security researchers — Perform reconnaissance during penetration tests to map an individual's digital presence.
- OSINT analysts — Gather intelligence from public platform data without triggering alerts.
- Threat intelligence professionals — Correlate usernames across platforms to build threat actor profiles.









