What This Section Covers
This page routes you to free, legal tools for email privacy that require no account and no card. You will find services that check if your address appears in known data breaches, plus tools that generate disposable addresses or forwarding aliases so you do not have to give out your real inbox. Each tool is ranked by how useful it is for an ordinary person who wants a quick, no-strings solution.
You will not find password managers, VPNs, or encrypted email here. The focus is narrow: breach checks and address masking. For each service, you get what it does, what the free version includes, whether it wants an account, and where it works.
Have I Been Pwned
Have I Been Pwned is the first place to check. It tells you whether your email address appears in known breach datasets. You type your address, and it searches across thousands of past breaches. No account, no sign-up, no card. The free version is the whole service. It works worldwide in any browser. It does not fix compromised passwords, stop phishing, or prove your account is safe. It only tells you if your address is in a breach. That is still the most useful first step because it gives you a clear yes or no.
Mozilla Monitor
Mozilla Monitor does the same breach check as Have I Been Pwned, but it adds ongoing monitoring. You enter your email, and it watches for new breaches over time. The free version includes a single address scan and alerts when that address appears in a new breach. It wants an account for the monitoring feature, but the one-time scan works without one. It works in any browser. The trade-off is that the free tier is limited to one address, whereas Have I Been Pwned lets you check as many as you want manually. If you only need a quick check, use Have I Been Pwned. If you want alerts without remembering to re-check, Monitor is worth the account.
DuckDuckGo Email Protection
DuckDuckGo Email Protection gives you a free @duck.com address that forwards to your real inbox. Before forwarding, it strips tracking pixels from incoming mail. The free version is unlimited for forwarding, and it does not want an account beyond the one you already have with DuckDuckGo. It works in any browser and on any device that can receive forwarded mail. It does not hide your identity if you reply, because replies go out from your real address unless you use the masking feature. It also does not stop tracking if you click links inside the email. For a simple, no-cost way to reduce spam and trackers, this is a solid first choice.
SimpleLogin
SimpleLogin creates unlimited aliases that forward to your real inbox. You can create a new alias for every website, and disable any alias that starts receiving spam. The free version includes unlimited aliases and unlimited forwarding, but it limits you to one mailbox. It wants an account, and it works in any browser, plus it has mobile apps. It does not stop tracking if you open remote images or click tracked links. It also does not make you anonymous by itself, because the recipient sees the alias, not your real address, but the service logs your account activity. For most people, this is the best balance of features and cost.
Firefox Relay
Firefox Relay offers email masks that forward to your real inbox. The free version includes five masks, which is enough for testing but not for heavy use. It wants a Firefox account, and it works in any browser, though it integrates best with Firefox. It does not strip trackers on the free tier, and it does not hide your identity if you reply. It is a good option if you already use Firefox and want a simple, no-fuss mask. But if you need more than five masks, you will hit the limit quickly, and SimpleLogin gives you more for free.
Addy.io
Addy.io is another alias service. The free version includes a limited number of aliases per month, which is enough for light use. It wants an account, and it works in any browser. It also does not make you anonymous by itself. Compared to SimpleLogin, the free tier is more restrictive, so only choose this if you prefer its interface or need a specific feature that SimpleLogin lacks. For most people, SimpleLogin is the better free option.
Tempr.email
Tempr.email and a site that gives you a temporary email address provide a disposable inbox that requires no registration. You get a temporary address, receive mail at it, and it disappears after a short time. No account, no card, no sign-up. They work in any browser. This is the right tool when you need to verify a one-off sign-up and never want to see that email again. It does not protect you from spam if you reply, and it does not hide your identity from the recipient. It also does not forward anywhere, so you cannot use it for ongoing communication. Use this for a single use, then move on.
Emcognito
Emcognito provides disposable aliases for email forwarding. You create a temporary address, and it forwards to your real inbox for a short period. No registration is required for the free use described. It works in any browser. It is similar to Tempr.email but with forwarding instead of a web-based inbox. Use this when you want a temporary address that still reaches you, without giving out your real one. It does not stop tracking, and it does not hide your identity if you reply.
How to Choose Between Them
Start with Have I Been Pwned to see if your address is already out there. If it is, change that password immediately. Then decide what you need next. If you want a quick, no-account check, use Have I Been Pwned and move on. If you want ongoing alerts, use Mozilla Monitor. If you want to stop spam and trackers from new sign-ups, use DuckDuckGo Email Protection or SimpleLogin. If you only need a one-off address for a single site, use a temporary email address, Tempr.email or Emcognito. Do not use a disposable service for anything you need to keep. Do not use an alias service if you are not willing to create an account. Match the tool to the job: breach check for existing risk, alias for ongoing protection, disposable for one-time use.
Frequently Asked Questions
Do I need an account for any of these?
Have I Been Pwned and Tempr.email do not require an account. Mozilla Monitor, SimpleLogin, Addy.io, and Firefox Relay do. DuckDuckGo Email Protection requires a DuckDuckGo account, which is free. Emcognito does not require registration for the free use described.
Will these tools stop all spam?
No. Disposable addresses and aliases reduce spam by hiding your real inbox, but they do not stop spam from reaching the alias or disposable address itself. They also do not stop tracking if you open remote images or click tracked links. Breach checks do nothing about spam at all.
Can I use these to hide my identity from a recipient?
Not really. Disposable addresses and aliases hide your real inbox, but if you reply, the recipient sees the forwarding address. Some services expose the forwarding address in the headers. Breach checks have nothing to do with identity. For true anonymity, you would need a separate anonymous email account, which is not what these tools do.
What should I do if my address appears in a breach?
Change the password for that account immediately. If you used the same password elsewhere, change it there too. Then consider using an alias service for future sign-ups so your real address is not exposed again. Have I Been Pwned can tell you which breaches you are in, but it cannot fix them.
Are these services legal everywhere?
These are legitimate privacy tools. They are legal in most jurisdictions, but some countries restrict anonymous or disposable email services. Check your local laws before using them. The services themselves are not illegal, but their use may be regulated in certain places.
The guides in this section
Each one takes a single question from the list above and answers it properly.
- How Temporary Email Addresses Work
- Is Temporary Email Safe? What It Protects and What It Does Not
- How to Check Whether Your Email Was in a Data Breach
- Email Aliases: A Better Answer Than a Throwaway Address
This section is one part of Free Online Tools That Answer One Question.












