aliases in your KeePassXC

- March 28, 2026

Since KeePassXC doesn't have a built-in API connector for alias services (unlike Bitwarden), the "integration" is more of a workflow strategy. It’s all about making the KeePassXC-Browser extension and your alias service work in tandem.

Here is the most efficient way to handle this on a desktop setup:

1. The "Double-Tap" Workflow

The smoothest way to manage this is to use the browser extension for your alias service (SimpleLogin or Addy.io) alongside the KeePassXC-Browser extension.

Generate: When on a sign-up page, click your alias extension icon to generate a new address and copy it.
Paste & Register: Paste the alias into the "Email" field on the website and create your password.
The Catch: Once you hit "Submit" or "Register," the KeePassXC-Browser extension will detect the new credentials.
Save: Click "New" on the KeePassXC pop-up. It will automatically grab the alias as the username and the password you just created, saving them directly into your database.

2. Organizing for Clarity

If you end up with hundreds of aliases, your database can get messy. Use these KeePassXC features to stay sane:

Custom Fields: If you use a "Catch-all" domain (where you just make up an address on the spot), add a custom field named Original Service or Alias Type. This helps if you ever need to search for all "Shopping" aliases vs. "Newsletter" aliases.
Tags: Use a global tag like alias or forwarded. You can then click this tag in the sidebar to see every account that isn't using your "real" email address.
Notes Field: I recommend pasting the "Deactivate Alias" link (provided by services like SimpleLogin) into the entry’s Notes. If a site starts spamming you, you can kill the alias directly from your password manager without hunting through the service's dashboard.

3. The "Catch-all" Advantage

If you are using a custom domain with a Catch-all enabled (meaning anything@yourdomain.com goes to you), you don't even need a generator.

Manual Entry: Just type website-name@yourdomain.com into the sign-up field.
Auto-Save: KeePassXC will prompt to save it.
Privacy: This is the fastest method, though it lacks the "on/off" switch that a dedicated service like SimpleLogin provides unless you manually block that specific address later.

4. Why this matters for "Pwned" Security

By using a unique alias for every entry in KeePassXC, you turn the "Have I Been Pwned?" feature (Tools > Database Reports > Health Check) into a high-precision tool.

If KeePassXC flags a leak, you don't just know where it happened—you know that only that specific, disposable alias is compromised. You can delete the alias, change the password, and your "real" identity remains completely untouched.

Next Post: Where to find and download KeePassXC and KeePassXC-Browser

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