Use the Tomba extension to find and check email addresses while you browse. It works on company websites, LinkedIn, Sales Navigator and Apollo.
Before you start
You need a Tomba account. Create a free account if you don't have one yet.
Install the extension
Step 1. In Tomba, open Integrations in the left menu and click the Browser extensions tab.
Step 2. Under Tomba for Chrome, click Install. The Chrome Web Store listing opens.
Step 3. Click Add to Chrome and confirm. The Tomba icon appears at the top right of your browser, next to the address bar.
Sign in to your Tomba account
Step 1. Click the Tomba icon, then click Sign in with Tomba. The extension shows a code and opens a Tomba page in your browser.
Step 2. Sign in to Tomba if asked. If the page asks for the code, type it and click Continue. If no page opened, go to app.tomba.io/device.
Step 3. Click Authorize.
Step 4. Go back to the extension. It signs in by itself and stays connected until you sign out.
You never type your password into the extension.
Find emails on a company website
Step 1. Open a company's website, such as tomba.io.
Step 2. Click the Tomba icon. The popup, a small Tomba window, opens on the Emails tab with the addresses Tomba knows at that company.
Step 3. To narrow the list, use Filter by department, or filter by name, type or country.
⚠️ Important: Each filter change is a new search, so it uses credits.
The popup also gives you these tools:
Tool | What it shows |
Author | Who wrote a blog post or news story, and their email address |
Verify | Whether an address can receive mail, with a verdict and a risk level |
Phone | The numbers Tomba has for an address, with the line type, country and carrier |
Company | What the company does, where it is, its size, industry and email pattern |
Technologies | The tools the website runs, by category |
Similar | Companies like this one, with their industry |
Verify and save an address
Step 1. Click Verify next to an address to check it before you write.
Step 2. Click Save next to an address to keep it.
Step 3. Open Leads in Tomba to see the contacts you saved.
Use it on LinkedIn, Sales Navigator and Apollo
On these sites, the extension adds a Tomba panel to the page.
Step 1. Open a person's profile on LinkedIn or Sales Navigator.
Step 2. Click the Tomba icon, then click Find Email.
Step 3. Click Save to leads to keep the person in Tomba.
On a search or a list, the panel reads each page and collects the people. Keep the tab open while it runs. You can then send them to Tomba or click Download CSV.
💡 Tip: The panel warns you about LinkedIn's and Apollo's daily limits before a long run. For the full steps, see How to export Sales Navigator leads and How to export Apollo leads.
What the results mean
Verified: Tomba has checked that this address can receive mail.
Sources: The public web pages where Tomba found the address.
Email pattern: How the company builds its addresses, such as first name, a dot, then last name.
Accept all: The company's mail server accepts mail sent to any address, so Tomba can't confirm one person's mailbox.
💳 Credits: Searching a company uses 1 search credit for every 10 emails. Finding an email on LinkedIn uses 1 search credit. Verify uses 1 verification credit. A phone number uses 5 search credits, or 1 for a website, and only when a valid number is found.
Common questions
Is the extension free?
Yes, it's free to install. A free Tomba account includes 25 search credits every 30 days. It has no verification credits, so you need a paid plan or a credit pack to use Verify.
Which browsers can I use?
Chrome, Edge, Firefox, Opera, Safari and NAVER Whale, plus an add-on for Thunderbird. They all share your account's credits. See Which browsers does Tomba support?
Where do the emails come from?
On a company website, the popup shows addresses from Tomba's database. Tomba found them on public web pages, and Sources tells you where.
How do I remove the extension?
Open the extension's Chrome Web Store listing and click Remove from Chrome. You can also remove it from Chrome's extensions manager.
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