Type your email prefix + @ and it fills in the domain. Catches typos, suggests saved domains, works on any site.
Users
21
+21 in 30 days
Rating
5.0 / 5
+5.00 in 30 days
Ratings
4
+4 in 30 days
Store rank
#146K
#122K among extensions
Version
1.5.3
updated 6 Oct 2026
Users
monthly, 1 months
Latest, 15 Oct 2026:21 usersMove the mouse over the chart for any month
Ratings count
monthly, 1 months
Latest, 15 Oct 2026:4 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 Email Auto-Domain
Type the start of your email address, add @, and Email Auto-Domain fills in the rest — instantly, on any website, in any text field.
Tell it what your address starts with and what domain it should end with once — for example, prefix "j.rivera" and domain "gmail.com" — and from then on, typing "j.rivera@" anywhere finishes it to "j.rivera@gmail.com" automatically. Save more than one and switch between them effortlessly.
WHAT IT DOES
- Auto-complete: type your saved prefix + @ and the domain fills in instantly, with a quick visual flash so you know it happened. Made a mistake? One Backspace undoes the whole thing in a single step.
- Inline domain suggestions: not sure which address you're using here? Type @ and a small dropdown of your saved domains appears. Click one, use the arrow keys, or press Alt+1 through Alt+6 to jump straight to the option you want — a numbered badge on each item shows you the shortcut.
- Typo correction: finish typing a domain that looks like a near-miss of a known one — yours or a common provider like gmail.com, outlook.com, or yahoo.com — and a small "Did you mean...?" bubble appears with a one-click fix.
- Site-aware profiles: scope a rule to specific sites so the same prefix resolves to a different domain depending on where you're typing. Your work address wins on your company's tools; your personal one wins everywhere else.
- Works in plain text fields, textareas, and contenteditable areas (like a compose box or chat message field) alike.
- Site list: choose to run everywhere except sites you block, or flip it around and only run on sites you explicitly allow — whichever fits how you work.
- CSV import: bulk-add rules from a spreadsheet instead of entering them one at a time.
- Passive domain learning (off by default): optionally get asked to remember a new domain when you finish typing a bare email address it doesn't recognize yet, so future suggestions and typo-correction get smarter over time.
- Usage stats: the popup shows a running count of auto-completes, suggestions used, typos fixed, and characters it's typed for you — with a one-click reset.
- Export and import your settings as a backup, or move them to another machine.
PRIVACY
Email Auto-Domain makes zero network requests. Nothing you type is ever collected, logged, or sent anywhere — everything happens locally in your browser, and your rules are stored using Chrome's own settings-sync mechanism (chrome.storage.sync), the same one used for your bookmarks. There are no analytics, no trackers, and no third parties involved, period.
GETTING STARTED
Click the extension icon, add a rule (prefix + domain), make sure "Enabled" is on, and start typing. That's it.
Growth
Window
Users
Change
Ratings
Rating
7 days
+3
+16.7%
0
0.00
30 days
+21
–
+4
+5.00
Chrome Web Store search rankings
Where Email Auto-Domain appears when people search the store, with the 30 day change