What Is B2B Data and Why It Matters for Modern Sales Teams
October 7, 2026
How to Evaluate B2B Data Vendors for Accuracy and Compliance
The Hunter.io Chrome extension helps users discover professional email addresses associated with the website or domain they are browsing. It can also support person-specific lookups when a name and company domain are known. The extension is useful for lightweight B2B contact research, but it is not a universal prospecting database and should not be treated as a guarantee of future deliverability. Hunter’s current free account includes 50 credits per month, while paid plans add larger credit pools and broader platform features.
For teams comparing workflows, the most important question is where prospect data originates. Hunter is centered on public web and domain-based discovery. A LinkedIn-first workflow may require a different type of browser extension, while a broader account-based workflow may call for a dedicated prospecting platform.
Factor | Summary |
Primary purpose | Discover professional email addresses while browsing the web |
Main workflow | Search a website domain or use a person’s name with a company domain |
Best suited for | B2B prospect research and contact discovery |
Main data focus | Professional email addresses, names, job titles, sources, and related information when available |
Verification | Hunter displays verified status or a confidence signal, depending on the result |
Browser | Google Chrome; Hunter also documents Firefox and Edge add-ons |
Free usage | 50 credits per month on the current free account |
Paid plans | Starter, Growth, Scale, and Enterprise tiers; monthly and discounted yearly billing are shown on the official pricing page |
Export and workflow | Lead saving, CSV export, integrations, and other capabilities depend on the plan and product area |
Main limitation | The extension is primarily tied to website and domain research, not native LinkedIn prospecting |
Last verified | September 22, 2026 |
The Hunter.io Chrome extension is a browser add-on that returns professional contact information associated with the domain of the website a user is visiting. Hunter says the extension uses email addresses indexed in its own database rather than scraping the page content in real time. Results may include an email address, name, job title, public source, discovery date, and social profile information when available.
The extension connects three related workflows. Domain Search looks for email addresses associated with a company or website. Email Finder starts with a person’s name and company domain to identify a likely professional address. Email Verifier is a separate check that evaluates an address; finding an address does not automatically mean that every future delivery attempt will succeed.
You need a Hunter account to use the extension. On the current free account, Hunter lists 50 credits per month. The number of credits consumed depends on the action and plan. The extension is therefore best understood as a convenient browser interface to Hunter’s contact-discovery system, not as an independent unlimited email finder.
If you are evaluating the wider market, ReachStream’s guide to sales prospecting tools provides broader context on databases, extensions, verification, enrichment, and CRM workflows.
When you open the extension on a company website, Hunter can return professional email addresses associated with that domain and show the public sources where addresses were found. Depending on availability, results can include names, job titles, social profiles, and confidence or verification information. Person-specific discovery requires a name and the relevant company domain.
Hunter’s documented installation process is short, but checking the listing and permissions before installing is still good practice. Use the official Hunter Chrome Web Store listing, confirm the publisher, and review the permissions displayed by Chrome.
Select Add to Chrome, then confirm by selecting Add extension in Chrome’s dialog. After installation, open Chrome’s Extensions menu and pin Hunter to the toolbar if you want one-click access. Chrome’s permission screen is the authoritative place to review the permissions requested by the current version.
Open the extension and sign in with a Hunter account, or create a free account if you do not have one. The current free account includes 50 credits per month. Because feature availability and credit rules can change, check the account dashboard before running a large batch of searches.
Visit a supported company website, select the pinned Hunter icon, and review the returned domain-level contacts. If you are looking for a particular person, use the extension’s Find by name option and enter the person’s first name, last name, and company domain. Save only the contacts that are relevant to your stated prospecting purpose.
If the extension does not appear, open Chrome’s Extensions page and confirm that it is enabled and pinned. If it does not load, refresh the website and sign in again. If there are no results, confirm that the domain is the company’s email domain rather than only its public website domain. If credits are unavailable, review the current plan and account balance. If the site is not supported, use Hunter’s web application or another documented workflow rather than assuming the extension can search every page.
The extension is most useful when it removes a tab switch from ordinary account research. A practical workflow is to identify the company, confirm the relevant domain, review available contacts, validate the address when needed, and then save or export the record. Teams that are still defining their process can also review this guide to prospecting extensions before choosing a browser-based stack. For a separate explanation of domain and person-level workflows, see Hunter Email Finder.
Use Domain Search when you want to understand which professional email addresses are associated with a company or website. Hunter returns the addresses it has indexed for the domain and may show the sources and dates associated with those records. This is useful for account research, but the result set may not include every employee or the exact contact you need.
Use Email Finder when you know the person you want to contact and have the company domain. Hunter combines available public data, email patterns, and verification signals to return a likely professional address. If the person has changed employers, the domain is wrong, or the name is misspelled, the search may return no result.
For a separate explanation of the product’s domain and person-level workflows, see the Hunter Email Finder guide. The article is useful when deciding whether a domain lookup or a person-specific lookup better matches your task.
Verification is a distinct step. Hunter’s current documentation says that one verified result may display a green verified status, while other results can show a confidence score based on available signals. If a result is not recently verified, use the Email Verifier before adding it to a campaign. Verification evaluates the address at the time of checking; it does not guarantee inbox placement, response, or long-term deliverability.
Hunter documents filters for contact type, such as generic or personal addresses, and department filters for narrowing domain results. Confidence information should be read as an assessment of the available evidence, not as a promise. A high-confidence address can become stale, and a technically valid mailbox may still be inappropriate for an unsolicited message.
Use the Save action beside a contact to add the record to your Hunter leads. Export and CRM options vary by plan and product area, so confirm the current comparison table before committing to a workflow. Keep the source, date checked, role, and consent or lawful-basis notes with the record when your process requires them.
Consider a fictional company called Northstar Analytics. A salesperson visits Northstar’s public website and opens the Hunter extension. The extension returns the domain-level professional addresses that Hunter has indexed, along with available sources and verification information. The salesperson filters for a relevant department, checks whether the role matches the intended outreach, verifies the selected address if necessary, and saves the lead. No specific address, contact count, or confidence score should be presented as a real Hunter result unless it was observed and documented.
The following summary distinguishes a capability from the limitation that matters when evaluating it. Availability can vary by product area and plan, so treat the official account dashboard and pricing page as the final source for implementation decisions.
Feature | What it does | Where it helps | Limitation to consider |
Domain Search | Finds professional addresses associated with a company domain | Account and company research | It may not identify every employee or the exact contact required |
Email Finder | Uses a name and company domain to find a professional address | Person-specific research | A result can be unavailable or become stale |
Email verification | Checks an email address using Hunter’s verification workflow | Reducing avoidable invalid addresses | It does not guarantee future deliverability or inbox placement |
Source information | Shows public sources and discovery dates when available | Reviewing provenance and freshness | A source date is not the same as a current employment check |
Filters | Narrows results by documented contact type or department options | Focusing research on relevant roles | Options may change with the product and plan |
Lead saving | Saves selected contacts to a Hunter lead list | Organizing research | Storage and export capabilities depend on the account |
Browser workflow | Opens contact discovery from a Chrome tab | Reducing tool switching | It remains primarily a website/domain workflow |
Credit-based usage | Charges credits according to the action and plan | Managing usage by volume | Different Hunter plans and products can use different credit rules |
When your process depends on verification rather than discovery alone, compare it with a dedicated ReachStream Email Verifier workflow. The point is not that one tool is universally superior; it is that discovery and verification solve different operational problems.
Hunter’s pricing page currently shows a free plan and paid all-in-one plans. The figures below were checked on September 22, 2026 and should be rechecked before publication because SaaS pricing can change.
Plan | Price and billing | Credits | Main listed features |
Free | $0 monthly | 50 per month | Basic Discover filters, AI Assistant in Discover, one connected email account, and regular support |
Starter | $49 monthly or $34 monthly equivalent yearly | 2,000 per month or 24,000 per year | Auto-verification, lead enrichment, advanced Discover filters, three connected email accounts, and priority support |
Growth | $149 monthly or $104 monthly equivalent yearly | 10,000 per month or 120,000 per year | Starter features with higher limits and ten connected email accounts |
Scale | $299 monthly or $209 monthly equivalent yearly | 25,000 monthly or 300,000 yearly | Higher limits, 20 connected email accounts, and account-manager support |
Enterprise | Custom | Custom | Custom credits, connected accounts, support, and platform configuration |
Hunter’s current Help Center describes a unified credit system for all-in-one plans. On those plans, Domain Search and Email Finder generally use one credit per email found, while Email Verifier uses 0.5 credit per verification. Failed searches or failed verifications do not use credits according to the same documentation. Duplicate requests in the applicable billing period or calendar month are not charged again, while bulk uploads can follow different rules.
Data Platform plans are separate from the all-in-one plan structure and use search credits and verification credits independently. Extra credit packs are also subject to their own validity rules. If you are comparing total cost, check whether you need the browser extension only, the full outreach platform, API access, verification, or a combination of these products.
For a direct product-level comparison, review the current ReachStream pricing rather than relying on an old third-party pricing summary. Pricing should be compared alongside included data, verification, export, support, and compliance requirements.
Hunter can be a sensible fit when the job is to identify professional email addresses from company websites or to look up a named person by combining the name with a company domain. The browser interface is convenient, and the product separates discovery, confidence information, and verification more clearly than a simple email-pattern generator. Teams seeking a manual alternative can review business email research guidance. For message planning, pair the research step with cold email outreach guidance.
Hunter may fit if you need to research a small or moderate number of business contacts while browsing, want a website/domain-first workflow, and can work within a credit allowance. It may also suit teams that want to save leads in one account and optionally connect discovery with verification or outreach features.
If your wider program includes message planning and follow-up governance, use a separate cold email outreach process. A team planning multiple touches can also review a follow-up sequence framework. The extension can help identify a contact, but it does not determine whether the message is relevant, lawful, or appropriate.
Consider alternatives if your primary workflow is LinkedIn-native prospecting, large-scale contact-database access, phone-number discovery, complex enrichment, or a specific CRM/API requirement that Hunter does not document for your plan. Also consider the cost of manual review. A low-cost plan is not automatically economical if the team must spend significant time cleaning, validating, and suppressing records.
The evidence-based verdict is therefore conditional: Hunter is worth considering for website and domain-based professional email discovery. Before adopting it, verify current credits, export needs, browser permissions, integrations, privacy requirements, and whether your team’s main source of prospects is a company website or a professional network.
Do not treat Hunter as a LinkedIn-native email finder. Hunter’s official extension documentation describes visiting a website, opening the extension, and returning addresses associated with the site’s domain. Its person-specific workflow uses a name and company domain. That is different from an extension designed to read a LinkedIn profile or Sales Navigator result directly.
If LinkedIn is the center of your workflow, compare tools designed for that environment, such as the ReachStream Chrome Extension. ReachStream’s product page describes extracting contact details from LinkedIn profiles, search results, and Sales Navigator pages. That is a workflow distinction, not a claim that it is better for every team.
Using an email-finding extension does not automatically make prospecting compliant. Compliance depends on the jurisdiction, the type of data, the purpose of processing, the communication method, the lawful basis, the notice given to individuals, and the operational controls used by the sender. The European Commission describes GDPR as a framework governing the protection and processing of personal data, including rights and obligations that apply to organisations.
Before using a contact, document why the processing is lawful, keep the data limited to what is necessary, provide transparency where required, honour objections and opt-outs, maintain suppression records, and remove or correct data when appropriate. Review regional rules such as GDPR, UK data-protection law, CAN-SPAM, CCPA/CPRA, and local telemarketing requirements with qualified counsel where the risk warrants it.
Hunter’s privacy policy explains that its database can include professional information collected from public web pages and email addresses generated through pattern analysis, along with validation and confidence information. It also describes rights and a process for requesting access, correction, or removal. Read the Hunter privacy policy and data-removal instructions before relying on the data for a particular jurisdiction.
The user remains responsible for how a record is imported, retained, contacted, shared, and deleted. Public availability is not the same as unlimited permission to use personal data.
Use the extension as one step in a controlled research process. The broader sales prospecting techniques resource can help teams connect targeting, qualification, enrichment, and follow-up without treating contact discovery as the whole sales process.
Verify important addresses before sending. Confirm that the person’s role is relevant, avoid irrelevant bulk messages, respect opt-outs, and keep a suppression list. Record the date of the lookup and verification, check for stale employment information, and use personalization only when it reflects a genuine business reason.
Keep records organized by account, role, source, and status. Review regional requirements before launching a campaign, and monitor bounce and response signals after sending. If a data point is uncertain, exclude it from the campaign rather than trying to compensate with more volume.
Email-finder tools vary mainly by data source and workflow. Some begin with a company domain, some begin with a name and domain, and some begin with a professional-network profile. Verification, phone data, enrichment, export, and CRM support should be checked in the current documentation for each tool rather than inferred from a product category.
Teams that are comparing database depth can use ReachStream’s guide to B2B leads databases as a starting point, then validate each vendor’s current terms and capabilities. For a wider vendor comparison, review B2B contact databases and confirm the current product pages before making a decision.
Tool or workflow | Starting point | Email and verification workflow | Best fit |
Hunter Chrome extension | Company website or domain | Domain Search, name-plus-domain Email Finder, and Hunter verification signals | Website and domain research |
ReachStream Chrome Extension | LinkedIn profile, search result, or Sales Navigator page | Verified contact discovery with a separate Email Verifier product | LinkedIn-first prospecting |
General database platform | Account, company, or contact filters | Depends on the vendor | Broader list building and enrichment |
Manual research | Public company and professional sources | Manual or third-party verification | Low-volume, high-review research |
Tool or workflow | LinkedIn-native workflow | Phone data | Workflow note |
Hunter Chrome extension | Not documented as the core extension workflow | May appear when available; confirm current output | Primarily website and domain based |
ReachStream Chrome Extension | Yes, according to the product page | Product page describes phone data where available | Designed for LinkedIn prospecting |
General database platform | Depends on vendor | Depends on vendor | Confirm current product documentation |
Manual research | Manual | Manual | Requires more review and record keeping |
The Hunter.io Chrome extension is a focused tool for discovering professional email addresses while researching company websites and domains. It can also support name-and-domain lookups, confidence review, verification, and lead saving. Its current free account offers 50 credits per month, while paid plans scale by credit volume and platform scope.
Hunter is most likely to fit a website-first B2B prospecting workflow. It may be a weaker fit when the core requirement is direct LinkedIn extraction, large-scale enrichment, phone-first prospecting, or a particular CRM and API setup. Compare the data source, verification method, permissions, credit rules, compliance obligations, and total review effort before choosing a tool.
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.
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.
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.
Hunter focuses on email addresses. For direct-dial phone numbers, alternatives like ReachStream or Lusha specialize in phone data.
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.
Hunter does not currently offer a dedicated mobile app for iOS or Android. However, the web platform is responsive and accessible via mobile browsers.
Access 200M+ verified business emails and grow your sales pipeline effortlessly.
Don't forget to share this post!
Check out our other blogs!
What Is B2B Data and Why It Matters for Modern Sales Teams
A Buyer’s Checklist for Evaluating B2B Data Providers
How to Sync B2B Data with Your Outreach Sequences