Alias Creator for Fastmail by Sam R

Create a Fastmail Masked Email alias for the site you are on in one click, copied straight to your clipboard, and see which alias you used where.

Some features may require payment

Available on Firefox for Android™

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About this extension

A toolbar button for Fastmail's Masked Email.

Open it on a sign-up page and click "Create alias and copy". A new alias is made for that website and put on your clipboard, ready to paste.

Remembers where each alias went. The popup lists the aliases you have already used on the current site, and a search tab finds any alias by address, website or note. You can copy, disable or re-enable aliases from there too.

Works with aliases made elsewhere. The website is saved on the alias in Fastmail itself, so aliases created on your phone or by a password manager show up as well.

Signing in. Paste a Fastmail API token with Masked Email access (Settings, Privacy & Security, API tokens).

Requires a paid Fastmail account. This is an independent project and is not made or endorsed by Fastmail. The source code is on GitHub.

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Alias Creator for Fastmail by Sam R

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