10 Best Email Verification Tools in 2026 to Clean Your Email List

Mor Mester 3 December 2025

Seasoned marketers know that deliverability is important in email marketing. Building an email list is hard work – and you need good engagement. So we can’t send to inactive subscribers and undeliverable email addresses. That’s why marketers use email verification tools to make sure emails hit customers’ inboxes.

For this article, I’ve reviewed and tested over 30 email checkers. I chose what my experience showed are the best email verification tools out there. With a full explanation of what email verification is and what to look for in email validation software. And details about features, prices, pros and cons for each tool.

Best Email Verification Tools – Our top Picks

While we’ve listed 10 email verification services in total, the review came out clearly with some favourites.

Here’s the quick overview of the best tools in 5 categories.

• Best for accuracy – A lot of the services I tested proved pretty accurate with their verification. They kind of have to be. But Bouncer is the one I trusted most. Mainly because it uses so many different validation steps. It’s also proven to be reliable and you can use it for very high-volume bulk verification. 
• Best speed – In my tests, Emailable helped me get verification results the fastest because it’s so easy to use and fast. Its Monitor feature also lets you schedule list validation.
• Best price – With per-email prices ranging from $0.002 to $0.007, Bouncer is the cheapest service I tested. And it gets even cheaper for larger volumes. EmailListVerify is also a good deal, with prices starting at $0.004 per email.
• Best customer support – I really enjoy the way Bouncer helps you get started. New customers get a dedicated support person to talk to via email, live chat and phone. It also offers person-to-person technical support for API integrations.
• Most Integrations – ZeroBounce has 45 direct integrations with platforms like ActiveCampaign, GetResponse, Hubspot, Brevo, and Shopify. A lot of email verification services rely on integration tools like Zapier and Make.

Scoring table

* Self-reported accuracy and speed
**Delivery Guarantee

What to Look for in an Email Verification Tool

I’ve learned a lot from using different email verification software over the years. A growing email list changes your validation needs. When choosing an email verification tool, make sure that it grows with you. You’ll need an email checker that allows bulk data upload. And one that won’t cost a fortune for a big email list.

Some email scrubbing tools have free versions or free trials. You can try them out to find out if they have the integrations and accuracy you need.

Here are the 6 “make-or-break” features I look for in email verification software:

• Accuracy. A good email verification service should validate emails accurately. You should expect an accuracy rate of at least 95%. Otherwise, you risk sending to an unacceptably large number of suspect emails you thought were valid. 
• Speed. Verification speed is important, especially for businesses verifying large email lists or running real-time verification. A reliable service should be able to process thousands of emails within minutes without compromising accuracy. Real-time verification via an API helps to validate email addresses at sign-up. 
• Reporting. There’s more to email verification than whether an email is valid or not. Look for services that report on the reasons why emails fail verification. This will help you identify patterns of where you might be picking up risky emails. Additional insights into bounce risks also help you to improve deliverability. 
• Price. Look for pricing that suits how many emails you need to verify. And how often you need to use it. Many services offer discounts for bulk volumes. Pay-as-you-go keeps costs low for ad hoc use. But subscription plans can work out cheaper if you verify emails regularly. 
• Support. Look for services with 24/7 support via live chat, email, or phone. Additional resources like knowledge bases, API documentation, and developer assistance are also valuable for getting started quickly.
• Integrations. Integrations let you quickly transfer and clean emails from the tools you already use. Look for integrations with your CRM, email marketing software, marketing automation platform, and landing page builder.

10 Best Email Verification Tools – Detailed first-hand reviews

Email verification software checks if an email address is deliverable. It helps you avoid sending emails to inactive accounts. Marketers and salespeople use it to avoid bounces and increase campaign performance.

So let’s go into the details of the 10 email verification tools I tested. If you want even more based on the first-hand review for each tool. This will give you a better feeling if a particular tool suits your business or not.

1. Bouncer – Best for accuracy and reliability

Bouncer is an intuitive email verification software with high accuracy. The tool comes with SOC2 and GDPR compliance. When you submit an email, it’s anonymized immediately. Also, they have a zero downtime policy. Overall, you know that Bouncer will function properly and safely.

Its features include domain check, syntax check, catch-all server detection, disposable email detection, and bulk verification. You can bulk upload lists of up to 250,000 emails at once.

Besides the basic features, Bouncer offers a deliverability kit that verifies your mail server setup and authentication. And it notifies you when internet service providers blacklist you. On top of that, the tool estimates the bounce rate of your future campaigns.

The software integrates with Moosend, Mailchimp, Hubspot, Kit, GetResponse, and many other marketing tools. 

Rating
Capterra: 4.9 (233 reviews)
G2: 4.8 (232 reviews)

Bouncer offers 100 free credits for the trial with access to the main features. The pay-as-you-go pricing costs $0.008/email if you’re checking 4,000 emails. And quickly gets cheaper per verified email if you check more. The basic monthly package is Apprentice, which offers 10,000 verifications at $50/month.

Bouncer already has one of the best prices out there. We got an additional 25% discount on Bouncer for our readers. Just sign up through this special link here to get the discount.

Try Bouncer for free here
or read full review

2. ZeroBounce – Most integrations

ZeroBounce is an email verification tool that offers real-time validation. It provides top-level security with GDPR, SOC 2, and PCI compliance.

The ZeroBounce Score feature lets you discover the most active emails too. Which means you can identify and target the highest-quality leads.

One of the outstanding features of the tool is the Email List Enhancement. This will give an email contact’s name, geolocation, and gender. Sometimes, it’ll also discover social media and IP addresses based on an email address. Use this data to send more personalized and segmented email campaigns.

Demographic data will also be helpful in segmenting your audience. And the social media append feature will pave the way for effective cross-channel campaigns. 

ZeroBounce has 45 integrations with platforms like ActiveCampaign, GetResponse, Hubspot, Brevo, and Shopify. You can always get in touch with the ZeroBounce team thanks to the 24/7 support.

Rating
Capterra: 4.7 (458 reviews)
G2: 4.7 (519 reviews)

ZeroBounce offers 100 free credits to test the tool. And they don’t charge for unidentifiable email addresses. The pay-as-you-go rates start at $0.008/email for 2000 credits. And the price drops down to $0.003/email for 250,000 emails. The monthly starter package comes with 2000 emails at $15. 

Try ZeroBounce for free here

3. Emailable – Best usability

Emailable is a bulk email verification service that claims a 99% accuracy rate.

You can upload email lists to Emailable from your computer, or import them from email and marketing platforms. The tool’s design is super simple and user-friendly.

One of the best things about Emailable is its Monitor module. It lets you set how often email lists should be verified. You just customize the settings if you want weekly checks on specific lists in your email and marketing platforms.

The tool offers name and gender detection to enrich your lists. The role detection feature also detects role-based professional email addresses. All this information is handy to create targeted campaigns.

You can monitor key deliverability metrics using the inbox reports. Emailable integrates with MailerLite, Pipedrive, MailUp, ActiveCampaign, Brevo, Constant Contact, and over 80 other tools.

Rating
Capterra: 4.7 (334 reviews)
G2: 4.8 (273 reviews)

Sign up to Emailable to get 250 free credits. The pay-as-you-go pricing starts at $30 for 5000 credits. The lowest ends at $0.00135 per email for 2.5M credits. If you subscribe to a monthly plan, 5000 credits come at $25.5/month. You save 15% compared to the pay-as-you-go price with monthly plans.

Get started with Emailable for free here

4. Kickbox

Kickbox is an email verification tool with bulk email verification and real-time email cleaning. It cleans your email lists flagging invalid email addresses, accept-alls, role emails, and low-quality emails. Kickbox puts emails into 3 categories: risky, undeliverable, and deliverable emails. You can also use it to verify emails in sign-up forms.

It also has deliverability tools, including blocklist monitoring, inbox placement checker, email testing, and DMARC monitoring. Kickbox is known for fast signup and high verification speed. Users can upload CSV and XLSX files. 

You can connect Kickbox directly to email marketing and marketing automation tools, like MailerLite, iContact, Benchmark Email, AWeber, Klaviyo, Mailchimp, Campaign Monitor, and Constant Contact, and GetResponse. They also have a Zapier integration which lets you connect 5000+ apps.

Rating
Capterra: 4.4 (70 reviews)
G2: 4.5 (374 reviews)

Kickbox gives you 100 free verifications for testing. Prices start at $5 for 500 verifications. They don’t charge for unknown emails.

Try Kickbox for free here

5. NeverBounce

NeverBounce is a trusted bulk email verifier with real-time and automated email verification. It’s a handy tool that provides excellent support over several channels. 

When there’s a list with a high number of unknowns, their team personally reviews it. And they have a refund policy to support that claim. If more than 3% of your emails bounce after using NeverBounce, they refund the difference.

NeverBounce lets you share data across your teams as well. Team members can access each other’s stored lists and account apps. 

NeverBounce has integrations with over 80 tools like Moosend, Pipedrive, Hubspot, Constant Contact, and AWeber.

Rating
Capterra: 4.5 (46 reviews)
G2: 1.3 (4 reviews)

You’ll pay $0.008 for 10000 credits if you want to pay as you go. And 1M credits will cost $0.003 per email. The smallest monthly plan includes 1,000 credits and costs $10. And you can save 20% for every tier if you subscribe annually. For over 1M credits, you’ll have to contact the team for an offer.

6. Hunter

Hunter is an email outreach platform with email finder and email verification tools. It checks the format, the domain, and the server response. You can upload a list of emails for bulk verification and add the email verifier API to your site or app. 

The Hunter Google Sheets add-on verifies email addresses directly in your sheets. It’s a nice touch that other email verification software doesn’t have. Especially for sales and service teams working with contact list tables.

Find contacts when you visit a site with the Hunter browser extension. This extension will list all the emails from the Hunter database that have the same domain as the site you’re visiting. It’ll also show if an email is verified or not.

Hunter has only 9 native integrations, including HubSpot, Pipedrive, Salesforce, Zoho CRM, Gmail, Outlook, Google Sheets, Zapier and Make. The last 2 let you connect Hunter with 5000+ other apps.

Rating
Capterra: 4.6 (678 reviews)
G2: 4.4 (561 reviews)

Get 50 verifications with Hunter for free. Hunter’s pricing starts at $49/month for 1000 email verifications. Extra credits cost $5 for 100 credits on this Starter plan. The Growth plan costs $149/month for 10K verifications. Hunter is more expensive compared to other email verification services, but it has an email finder and an email outreach tool in all plans.

7. Clearout

Clearout is a powerful email verification tool known for its high accuracy. It checks syntax errors, domain validity, and removes spam traps. It uses AI to give a deliverability verdict for all email addresses.

Clearout’s AI Verdict works as a scoring system. So you don’t just get a report flagging emails that are fake, dormant or spam traps. You get a detailed breakdown of predicted deliverability plus an at-a-glance score. Clearout claims its deliverability scoring has 99% accuracy. So it’s highly effective in helping to improve deliverability rates and protect sender reputation.

You can check emails one by one or upload a list for bulk verification. Clearout also integrates with 38 CRM and email marketing platforms. Including HubSpot, Mailchimp, ActiveCampaign, Pipedrive, and Zapier. There’s an email verification API you can add to your forms to verify emails when you collect them.

New users get 100 free email verifications. Pay-as-you-go pricing starts at $0.007 per email for 5,000 verifications, with discounts for larger volumes. Plans start at $14 a month for 3,000 verifications if you pay annually.

Rating
Capterra: 4.7 (83 reviews)
G2: 4.7 (325 reviews)

8. Snov.io

Snov.io is a sales automation platform. It combines lead generation, sales CRM and campaign automation tools. All with a heavy slant towards email. Its lead generation tools cover email databases and LinkedIn. But it also helps to nurture leads with email-focused outreach. This includes the ability to set up drip campaigns and automated follow-ups.

Snov.io’s email verification tools help avoid wasted time and effort. And protect your sender reputation. With email prospecting, there’s always the risk of picking up old, unused addresses. Or even fake ones. Sending these will result in bounces. So email verification is a good fallback to make sure you are sending to who you think you are. And keep deliverability rates high. There’s also a separate deliverability testing tool to support this further.

Snov.io validates email addresses using 7 criteria. And gives a simple ‘traffic light’ report for each email. Green for valid, amber for uncertain, and red for invalid. It integrates 45+ business and marketing tools. There’s also a Chrome extension that lets you verify emails as you find them.

You get your first 50 email verifications with Snov.io free. Plans start at $30/month for 1,000 credits. Credits can be used for verification or lead generation.

Rating
Capterra: 4.5 (213 reviews)
G2: 4.6 (444 reviews)

9. EmailListVerify

EmailListVerify is a no-frills specialist email validation service. Its focus on email verification alone helps it achieve impressive results. It’s also very affordable and user-friendly.

EmailListVerify uses multiple tests to validate email addresses. These include syntax verification, MX record detection, spam trap detection, and domain health analysis. It also identifies disposable and temporary email addresses.

You can check individual email addresses or upload lists for bulk verification. There’s an API that lets you run validation in real-time from any platform where you use email addresses. This allows you to build verification into sign-up forms, for example. 

Many of EmailListVerify’s tools can be used for free. This includes email validation and checking for disposable emails. Other free-to-use tools include a blacklist checker, DNS health check and MX lookup tools. And DMARC and SPF record generators for authenticating your domain. All of these support better deliverability and sender reputation. 

And EmailListVerify has 11 integrations with popular email marketing services, like AWeber, Kit, HubSpot, Mailchimp, and SendGrid.

EmailListVerify offers 100 free verifications. Pay-as-you-go pricing starts at $0.0004 per email address for 1,000 verifications. Bulk discounts drop this as low as $0.0003 per email for larger volumes. Monthly plans start at $139/month for 5,000 verifications a day.

Rating
Capterra: 4.4 (149 reviews)
G2: 4.4 (50 reviews)

10. Alfred

Alfred is an email validation and email threat detection tool. It checked over 11 billion emails to date and is trusted by companies like Riot Games, GetResponse, and Grant Cardone.

You can verify email lists directly through Alfred’s web application. Or set up integrations with the API and verify email addresses at sign-up.

Getting started and running a validation is very quick. When you upload your email list, Alfred first checks if it needs to be cleaned. After the evaluation, you can immediately start the validation. The results are easy to understand, like “best deliverability”, “maximum reach”, and “do not send”. If that’s not enough, you can check quality scores. 

Alfred has a free plan with 250 credits. Prices start at $1 for 100 verifications and the cost of a verification decrease the more credits you buy. Alfred doesn’t charge for duplicates and unknowns.

Try Alfred for free here

Best Email Verification Tools: Price comparison

Every online business needs an email verifier. These tools are effective, affordable, and necessary to preserve your sender reputation.

There are options for every budget. Almost all email verification services offer two pricing models, pay-as-you-go and monthly subscriptions. Most of them also have free trials. This means you can try several tools and stick with the one that best works for you.

Frequently Asked Questions (FAQ)

About Mor Mester

Mor Mester is the Head of Content Marketing at EmailVendorSelection. He's an email marketing and marketing automation expert with 6+ years of experience. Having tested and reviewed 100+ email marketing, marketing automation, CRM, ecommerce, SMS marketing, email verification, online course, and lead generation tools, he knows a good business software when he sees one.
After work, you can find him riding his bike on some trails.

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