Reverse username lookup
Start from a handle and find the accounts that use it on 98 sites, with the name each profile shows. People tend to keep one username for years, so one handle often opens a whole trail.
From a handle to a person
Search the handle
Every account using the exact name is listed with the display name its profile shows. A real name on one site often explains the others.
Compare the profiles
Look for what the accounts share: the same photo, the same city, a bio that links one to another, or posting at the same hours. Agreement across several sites is what ties them to one person.
Follow what they name
Profiles mention other handles, websites and sometimes contact addresses. Each is a search of its own. Investigators call this a pivot, and it is how a single username becomes an identity.
Same name, different people
A common handle like alex or gamer123 belongs to a different person on almost every site. The rarer the handle, the more likely its accounts share an owner, but no single match proves it.
Treat each account as a lead until something on the profile links it to the others. Seer helps here: it shows every field each profile exposes side by side, and checks the email addresses and breach records behind the handle, which is often what settles it.
Want more than 98 sites?
This site searches the 98 platforms most people use. Seer, which makes it, searches 700+ platforms. It follows the other handles and links each profile mentions, ties the accounts that belong to one person together, and adds the email addresses, phone numbers and breach records linked to them.
- Social account searchUsernames, emails and phone numbers resolved to live accounts on 700+ platforms.
- Breached credentialsWhich breaches an email address or username appears in, and what leaked with it.
- Stealer logsLogins captured by malware on infected devices, searchable by email, username or domain.
- Seer, Sherlock and Maigret comparedHow Seer’s resolver differs from the open-source username tools.
Questions
What is a reverse username lookup?
Starting from a handle and working back to the accounts, and through them the person, that use it. People tend to keep one username across many sites, so a single handle often opens several profiles.
Does the same username mean the same person?
Not necessarily. Common handles are held by many people. Compare what the profiles say, such as names, photos, locations and links to each other, before treating two accounts as one person.
What can I do with the accounts I find?
Each profile usually names other identifiers: a second handle, a website, sometimes an email address. Each of those is a new search. Seer follows those leads for you and adds email and breach records.
Is reverse username lookup legal?
Reading public profiles is legal in most places, and that is all this tool does. How you use what you find is your responsibility; harassment and stalking are crimes.