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April 6, 2026

Hunter.io Chrome Extension: Features, Setup, and Best Practices

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Finding the right email address can feel like detective work—especially when you’re staring at a company website with no contact page in sight. The Hunter.io Chrome extension is a browser-based tool that surfaces professional email addresses with a single click while you browse any website.

This guide covers how the extension works, how to install and use it, and how to decide whether it’s the right fit for your prospecting workflow.

What is the Hunter.io Chrome extension?

The Hunter.io Chrome extension is a browser-based email finder that lets you discover professional email addresses while visiting any company website. Click the extension icon, and it returns all publicly available emails linked to that domain, along with names, job titles, and confidence scores for each contact.

Think of it as a shortcut for prospecting. Instead of manually hunting through “About Us” pages or guessing email formats, the extension pulls verified contact data directly into your browser. It connects to your Hunter account, so any leads you find can be saved to organized lists for later outreach.

The tool is popular among SDRs, marketers, and recruiters who spend time researching companies online. If you’ve ever wished you could grab contact info without leaving a webpage, that’s exactly what the email hunter extension is designed to do.

How to download and install the email hunter extension for Chrome

Getting started takes about two minutes. Here’s the process.

1. Open the Chrome Web Store

Head to the Chrome Web Store and search for “Hunter,” or navigate directly to the Hunter extension listing. You’ll see the official “Hunter – Email Finder Extension” published by Hunter.io.

2. Add Hunter to your browser

Click “Add to Chrome” and confirm the permissions when prompted. The hunter extension for Chrome installs almost instantly, no browser restart required.

3. Sign into your Hunter account

To unlock full functionality, connect the extension to a Hunter account. Don’t have one? You can sign up for free directly from the extension popup.

4. Pin the extension for easy access

After installation, pin the Hunter icon to your toolbar. This gives you one-click access while browsing any website.

Hunter email finder extension features

So what can you actually do with the email hunter Chrome extension? Here’s a breakdown.

Domain search

When you click the extension icon on a company website, Hunter performs a “domain search.” It returns all publicly available email addresses associated with that domain. Useful when you want a broad view of contacts at a target company.

Email finder

Already know who you’re looking for? The email finder feature lets you input a person’s first name, last name, and company domain to locate their specific email address.

Email verifier

Before you send that cold email, you can verify whether an address is valid and deliverable. The built-in verifier helps reduce bounce rates and protects your sender reputation.

Lead saving and list building

Found a promising contact? Save them to a list inside your Hunter account with a single click. This keeps your prospecting organized and makes exporting contacts straightforward.

Department and role filters

Large companies can return dozens of results. Department filters let you narrow by function—sales, marketing, IT, executive—so you can focus on the contacts most relevant to your campaign.

How to use the Hunter.io extension to find emails

Now that you know what the tool offers, let’s walk through the main workflows.

Finding company emails from any website

Visit any company website, then click the Hunter extension icon in your toolbar. The results panel displays all associated email addresses, along with names, job titles, and confidence scores. Higher confidence scores indicate a greater likelihood that the email is accurate.

Finding a specific contact's email address

Click the extension icon and navigate to the “Finder” tab. Enter the person’s first name, last name, and company domain. Click “Find” to locate that individual’s email. If Hunter has the data, it returns the result along with a confidence score.

Filtering results by department

After performing a domain search, look for the filter options in the results panel. Select a department from the dropdown—such as “Marketing” or “Sales”—and the list updates to show only contacts from that function.

How to save and export leads from Hunter

Finding contacts is only half the workflow. What happens next?

Saving contacts to your Hunter account lists

When you find a contact worth keeping, click the “+” icon next to their name. This saves them directly to a list in your Hunter account. You can create multiple lists to organize contacts by campaign, industry, or any other criteria.

Exporting leads as CSV files

From your Hunter dashboard, you can download any saved list as a CSV file. This format works with virtually every CRM, email platform, and spreadsheet tool.

Syncing leads to CRM tools

Hunter offers native integrations with popular CRMs. If you’re running a high-volume prospecting operation, direct integrations can automate the lead transfer process.

Salesforce: Sync leads directly to your Salesforce instance
HubSpot: Push contacts into HubSpot workflows
Zoho and Pipedrive: Connect for automated data transfer

Hunter.io pricing and how the credit system works

Hunter operates on a credit-based model. Each search or verification action consumes credits from your account balance.

Free plan limits

Hunter’s free tier includes 25 monthly searches and 50 verifications—enough to test the platform and run small-scale prospecting. Credits reset each month.

Paid plan tiers

Paid plans start at $49/month and scale based on credit volume and feature access. Higher tiers unlock more searches, verifications, and team collaboration features.

How credits are used

Understanding credit consumption helps you budget effectively:

Is the Hunter.io extension legal and GDPR compliant?

This is a common concern. Hunter addresses compliance by sourcing only publicly available business data from the web. The platform does not scrape private databases or access information behind login walls.

For users operating under GDPR (the European data privacy regulation), Hunter provides several compliance features:

Transparent sourcing: Hunter often displays where an email was found
Data removal requests: Individuals can request their information be removed
Business-only data: Hunter focuses on professional email addresses, not personal accounts

That said, compliance ultimately depends on how you use the data. If you’re running cold outreach campaigns, following your local regulations around consent and opt-out requirements is important.

Best practices for prospecting with the Hunter Chrome extension

How do you get the most value from the email hunter extension? A few habits make a difference.

Verify emails before outreach. Even high-confidence emails can bounce. Running a quick verification protects your sender reputation and improves deliverability rates.

Combine Hunter with LinkedIn research. Hunter excels at finding emails from company websites, but it doesn’t pull data directly from LinkedIn profiles. Cross-reference contacts on LinkedIn to confirm job titles and company tenure before reaching out.

Segment leads into targeted lists. Resist the urge to dump all contacts into a single master list. Organizing by industry, role, or campaign enables more personalized messaging.

Track credit usage. Monitor your credit consumption through the Hunter dashboard. Running out of credits mid-campaign can stall your prospecting momentum.

Choosing the right email finder extension for your prospecting workflow

Which tool fits your workflow best? The answer depends on a few factors.

Where do you spend most of your prospecting time? If you’re primarily researching company websites, Hunter’s domain search is a natural fit. If you live in LinkedIn and Sales Navigator, a LinkedIn-native tool like ReachStream may be more efficient.

Do you need phone numbers or just emails? Hunter focuses on email addresses. If direct dials are part of your outreach, you’ll want a tool that provides phone data.

What’s your budget? Hunter’s free tier is generous for light usage, but credit costs can add up at scale. Compare pricing across tools based on your expected volume.

The best approach is to test the free tiers of two or three tools and see which one fits your actual workflow.

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Frequently asked questions

1. How many free searches does the Hunter.io extension offer per month?

Hunter’s free plan includes 25 monthly searches and 50 verifications. Credits reset each month, so you can continue using the free tier indefinitely for low-volume prospecting.

2. Does the Hunter.io extension work on LinkedIn profiles?

Hunter is designed primarily for finding emails from company websites and domains—not directly from individual LinkedIn profile pages. For LinkedIn-native prospecting, tools like ReachStream or Kaspr are built specifically for that workflow.

3. What can you do when Hunter.io cannot find an email address?

If a domain search comes up empty, try the “Email Finder” feature with the person’s full name and company domain. If that fails, consider using an alternative tool that pulls from different data sources.

4. Can the Hunter.io Chrome extension find phone numbers?

Hunter focuses on email addresses. For direct-dial phone numbers, alternatives like ReachStream or Lusha specialize in phone data.

5. How accurate is email data from the Hunter.io extension?

Hunter provides confidence scores for each email and includes a built-in verifier. Accuracy varies by contact, so verifying emails before large outreach campaigns is a good practice.

6. Is there a Hunter app available for mobile devices?

Hunter does not currently offer a dedicated mobile app for iOS or Android. However, the web platform is responsive and accessible via mobile browsers.

Manohar Devdiga

Marketing professional with a Master’s degree in Marketing, specializing in SEO, content strategy, social media, performance marketing, prospecting, and demand generation.