732
Platforms checked
community-maintained dataset
Report
Should I Use WhatsMyName?
Worth it
Worth itUse it if you do OSINT and want a free first-pass username pivot across hundreds of platforms.
Free, community-run username checker across 732 platforms. Good OSINT starting point; expect false positives and occasional downtime.
Confidence: Medium
$0
Price
free, browser-based, no signup
2015
Founded
by Micah "WebBreacher" Hoffman
Value for money
5
Completely free and open-source
Ease of use
4
One username input, browser-based
Feature depth
3
Wide platform coverage, shallow per-hit detail
Support quality
2
Volunteer-run; outages reported, no SLA
Security posture
2
No published security page; community-flagged warning
Pros
Cons
Gotchas
- mediumFalse positives mean every hit needs manual verification before acting on it.⁴
- mediumUptime is shaky; the OSINT community once pointed users elsewhere during an outage.⁵
- mediumSeveral unrelated sites use the WhatsMyName name (.io, .pro, fan apps); confirm which one you're on.²
- lowNo paid tier means no support contract; fixes depend on volunteer bandwidth.¹
Best for
- OSINT investigators pivoting from a username
- Journalists checking impostor accounts
- Pentesters doing recon
- People auditing their own username footprint
Not for
- Anyone needing confirmed identity — it only confirms username existence
- Legal or compliance vetting where false positives are unacceptable
- Teams wanting vendor support, SLAs, or paid tiers
- Buyers expecting a maintained commercial product
Pricing
Free
$0
- Username search across ~732 sites
- No signup
- Open dataset on GitHub
Security
No known vulnerabilities found in the sources reviewed; the site publishes no security page and one community warning thread exists.
- Unusual warning reported by usersReddit users reported an odd warning while using the tool; the cause was never publicly confirmed in reviewed sources.⁹
What users say
OSINT Redditors historically praised its accuracy versus rivals, but recent complaints cite false positives and downtime.
“I usually use whatsmyname.app. It's really good at avo”
“whatsmyname.app (basically useless these days, so many false positives)”
“Isn't WMN (whatsmyname) basically just sherlock?”
Alternatives
Compare WhatsMyName with each alternative.
Sherlock
Open-source CLI checking the same sites; better for automation.
Blackbird OSINT
Deeper username search, listed as top alternative.
SpiderFoot
Broader OSINT automation, not just usernames.
WhatsMyName vs SpiderFootMaigret
Open-source enumerator with API wrappers available.
Full analysis
Based on ~20 public sources. Unrelated namesakes excluded: several copycat WhatsMyName sites and the #WhatsMyName rideshare-safety foundation (including its Uber partnership and nonprofit filings).
Sources
official
- WhatsMyName App: Find Any Username Across 732 Platformswhatsmynameapp.usreview
review
news
- WhatsMyName Web Alternativesalternativeto.netreview
- 5 Free OSINT Tools for 2026 Intelligence Worklinkedin.comnews
- WhatsMyName security pagewhatsmyname.appsecurity
- Unusual warning on OSINT tool — r/OSINTreddit.comsecurity
- WhatsMyName Web — ForensicsOSINT KBforensicosint.comreview
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