Format Addy.io email aliases in Gmail. Custom domains, prefixes, and contact history.
Users
4
−1 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#279K
#231K among extensions
Version
1.0.0
updated 4 Dec 2025
Users
monthly, 10 months
Latest, 15 Oct 2026:4 usersMove the mouse over the chart for any month
Ratings count
monthly, 10 months
Latest, 15 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Addy.io Gmail Helper
Addy.io Gmail Helper makes it easy to create properly formatted email aliases directly in Gmail, no more manually typing out complex alias addresses.
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FEATURES
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→ Format aliases using your custom domains and prefixes
→ Multiple prefix support (e.g., contact, support, newsletter)
→ Multiple domain support for all your aliases
→ Contact history — reuse previous aliases with one click
→ Insert directly into Gmail's To field or copy to clipboard
→ Keyboard shortcut (Alt+A) for quick access
→ Clean, modern interface that stays out of your way
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HOW IT WORKS
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1. Click the icon in the bottom-right corner (or press Alt+A)
2. Enter the recipient's real email (e.g., newsletter@company.com)
3. Select your prefix and domain from your saved options
4. Click "Insert & Save" or "Copy"
5. Done! Your formatted alias is ready to use
Example: newsletter@company.com becomes:
yourprefix+newsletter=company.com@yourdomain.com
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PRIVACY FIRST
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- All data stored locally on YOUR device only
- Zero data transmitted to external servers
- No tracking, no analytics, no account required
- Your email addresses never leave your browser
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PERFECT FOR
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- Addy.io users
- SimpleLogin users
- Anyone using email aliasing with custom domains
- Privacy-conscious email users
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GETTING STARTED
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1. Install the extension
2. Open Gmail and click the icon
3. Add your prefix(es) and domain(s) in the settings section
4. Start creating aliases!
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Developed by l337hax.com
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