Email breach checker
Check whether your email address appears in any known data breach — free, no signup, your email is never stored.
Check your email now
Your email is checked and immediately discarded. Nothing is stored.
What you'll find out
- Which breaches include your email address
- What data was exposed in each breach
- How serious each breach is
- What to do first based on what was exposed
What it cannot tell you
- Whether your email is in unpublished or private breach data
- Whether you've been individually targeted
- Real-time monitoring — this is a point-in-time check
How the check works
-
You enter your email address
-
We check it against 1011+ known breach datasets
-
Your email is discarded immediately — nothing is logged or stored
-
You get a result in under 2 seconds
What is an email breach checker?
An email breach checker is a free tool that compares your email address against databases of known data breaches. If your address appears in one, it means a company you trusted with your email was hacked or leaked its data — exposing information tied to your account, sometimes including your password.
EmailLeaked checks your address against 1011+ known breaches in about two seconds and translates each result into plain English: what was exposed, how serious it is, and exactly what to do next. Your email is never stored, and you never need an account.
Frequently asked questions
Is it safe to check my email here?
Yes. Your email address is checked in real time and discarded immediately — it is never stored, logged, shared, or sold. There is no signup, and your address is never sent to advertisers or third parties.
What should I do if my email was found in a breach?
Change the password on the affected account first, then change it anywhere you reused that password. Turn on two-factor authentication and stay alert for phishing emails that use your leaked details. Our after-breach checklist walks through every step in order.
Does a breach mean my email account was hacked?
Not usually. A breach means a company that stored your email address was hacked or leaked its data — not that someone broke into your inbox directly. But if your password was exposed in the same breach, your account is at real risk, which is why checking matters.
How often should I check my email for breaches?
New breaches surface almost every week, so a single check is only a snapshot in time. Checking about once a month is a good habit, and you should always re-check after a service you use announces a breach.
Is the email breach checker really free?
Yes — it is free with no signup, no trial, and no payment required, now or later. The site is supported by optional ads and security-tool recommendations, not by charging you to check.
Where does the breach data come from?
We aggregate records from industry-standard breach data sources covering 1011+ known breaches and billions of exposed records. Each result shows what data was exposed and how serious it is, in plain English.