10 Best Free Email Verifiers To Clean Your Email List | 2023

Best Free Email Verifiers

Email Verification is the process of confirming an email address is valid and improving the chances that it belongs to a genuine individual. The entire motivation behind email checks is to guarantee that a genuine individual with a valid email address will get to cooperate with the sent email. These tools scan your email list and use a variety of different checks to remove invalid and unauthenticated emails. 

Validation techniques can be used to measure the legitimacy of an email. This can be done by checking the spelling of an email address or performing a reverse lookup on the domain via WHOIS. Email checking services can also scan for other factors like low deliverability, lack of response rates, and malicious links.

Some of the reasons why email validation is essential are to help improve your email list accuracy and better deliverability. It is important to note that one email verification method should not be considered 100% accurate. You may want to consider using multiple methods of email validation or use a verification service that employs a variety of methods.

Email verification and validation help avoid a bad reputation on your email list, leading to higher unsubscribe rates. It can also help improve your email deliverability and your brand’s overall reputation. With a better delivery rate, you can increase your ROI for every email campaign you run. Email verification is essential for all marketers, and business owners should consider using an email verifier that offers quality services.

How Does Email Verification And Validation Work?

Email validation is the final way of ascertaining whether or not an email address is valid. This is necessary because we can also use a variety of checks. Email verification measures the validity of the recipient’s email address by using various methods. The process works by using your account to verify if the email address is valid or not. Other platforms can also use these methods. Here are some of the methods of checking email validity.

Checking email spelling is a primary method of verifying an email address. Still, it can be considered a risky method because it is often achievable by spammers and used for targeted spamming campaigns. This method takes advantage of mistakes like mistyped or misused words or sentences to test email addresses, and it will give false results. Another reason this method gives false results is that the tool uses words from a dictionary that spammers sometimes use for targeted spamming campaigns.

Verification is when a website or an app, like Gmail, checks to ensure that your email address is valid, while validation is when you verify that the information on your site or app is accurate. This can be done in three ways:

  • Adding a phone number and sending a text message to the account holder (verification)
  • Asking for credit card details and charging them (validation)
  • Using email verification

Before signing up for a website or an app, you should be asked to verify your email address. This is known as “confirming” your account. If a website or an app you choose to sign up with decides not to provide this option and says it can’t verify email addresses, it’s likely not registered with a trusted identity provider such as Google.

You can do your verification of an email address by adding it to your email services list, such as outlook.com, and then sending a request to get an email sent to you with a unique password sent to the email address to prove its validity (you may need to add the forwarding address as well).

You can also verify temporary email addresses using phone verification by texting in the unique password from your mobile phone. Below is a list of the best email verifiers you can use to clean your email list.

Before we dive into the best free email verifier in detail, please take a look at the summary table to find the perfect match for you.

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Known For Overall Rating Accuracy Free Plan Money-Back Starting Price
Best free email verifier.
5/5
98%
Yes (100 email credits)
Yes
$16 / month (billed monthly)
Best for businesses looking for low cost and high accuracy email verifier.
4/5
99%
Yes (200 email verification)
Yes
50,000 email verification for $59.
Best for email marketers and businesses looking for email verification to be handled automatically.
5/5
Not Provided
Yes (7 days)
30 days
$17 / month (billed monthly), $14.17 / month (billed annually)
Known for real-time verification service.
4/5
Not Provided
Yes (1,000 email verification)
No
$10 / month (billed monthly), $8 / month (billed annually)
Best for all email marketing businesses.
3/5
95%
Yes (up to 10K for free)
No
500 emails for $1.44.
Pay-as-you-go or monthly plans with 60 days money-back guarantee.
4/5
98%
Yes (100 email credits)
60 days
$20 / month (billed monthly), $17.50 / month (billed annually) for 5,000 email verification.
Powerful email-finding tool for professionals
4/5
99%
Yes (50 emails per month)
No
$49 per month
5/5

ZeroBounce is a premier email validation service and is ranked no. 40 in 2020’s Inc. 5000 list that honors the fastest-growing companies in the U.S. By removing bounces and spam traps, it helps businesses across the globe reach humans, not bots. ZeroBounce can verify your bulk emails in real-time. It can handle many emails per second, which means that your verification process will be fast.

This email verifier is best used in cases where you are importing a list of email addresses into your file. After adding the email addresses and confirming them, it becomes a perfect tool for validating large volumes of customer data. It uses all kinds of checks, including machine learning and natural language processing.

It also connects to the WHOIS database, which can help verify domain ownership and other details and is a critical part of the process. This includes an entire range of email verification checking measures.

Key features
  • Military-grade encryption.
  • 98% accuracy, one of the highest in the email verification industry.
  • Integrate with more than 50 platforms including Cloudflare, ConstantContact, MailChimp, etc.
  • Removal of invalid addresses.
  • Spam trap and catch-all validation system.
  • Automate using ZeroBounce API.
  • Blacklist monitoring.
Pricing
  • Free – verify 100 emails per month, detailed email status codes, 18 validation tools, IP address geolocation, and 24/7 support.
  • Premium Plan – Starts at $15/month for 2,000 email verifications, which is a 6% discount from the pay-as-you-go plan which costs $16.
4/5

MillionVerifier is an email verification tool known for the lowest price and highest accuracy. It was founded and managed by email deliverability expert Tamás Szabó. Startups and businesses widely use it in various industries, including finance, technology, real estate, and eCommerce.

This one is used for validating emails in bulk. It has a free plan with many features like password protection, bounce, and complaint notifications, a free email checker, and an easy setup. This tool offers you an easy way to verify emails in bulk by randomizing them and sending them to you. You can check the status of each email address as they are sent through your unique Email.

It also features a simple design, so it’s super easy to use, even for a beginner. The company combines email verification and validation for outbound emails with email account creation and administration functionalities. This is useful, especially if you are using an autoresponder emails service provider like AWeber or MailChimp.

Key features
  • GDPR compliant and data is protection.
  • Highest accuracy in the market (99%).
  • Real-time email verification.
  • Wonderful user experience.
  • More than 17 integrations are ready for use.
Pricing
  • Free – verify 200 emails.
  • Paid Plan – 50,000 email verification for $59; 100,000 email for $99; 500,000 email  for $199; 1,000,000 email for $299 and so on.
5/5

Mailfloss is a set-it-and-forget-it email verification tool that removes invalid email addresses before they become a problem. Once you set up and connect your favorite email providers, invalid emails are filtered automatically. When it comes to email verifiers, you will find this one best. It allows you to go through a verification process without the need to write any code.

Mailfloss email verifier works by checking your emails against a blacklist supplied by an anti-spam blacklist provider. It prevents emails that are known to be malicious or belong to identified spam mailers from entering your inbox. It can also check your email against other blacklists and whitelists if you have opted to use those services to filter out unwanted emails.

This tool offers a great and unique proxy system for checking your emails. It offers many affordable plans compared to other tools in the market. It gives you an intelligent way of ensuring that your emails are delivered successfully and swiftly. You can connect with your favorite service providers such as MailChimp, ConvertKit, ConstantContact, Sendinblue, Moosend, etc. It also works perfectly with your WordPress website or blog. You can connect with Google Drive, Dropbox, and other cloud storage services.

Key features
  • Daily auto cleaning feature.
  • Fix typos automatically, auto-remove, auto unsubscribe, auto-tagging, and auto custom fields.
  • Reporting and analytics.
  • Advanced verification (syntax validation, SMTP validation, disposable and temporary email detection, etc.)
Pricing
  • Free – 7 day trial on all plans.
  • Launch Lite – $17/month for 10,000 email verification per  month. No real-time email verification.
  • Launch Business – $49/month for 25,000 email verification per month.
  • Launch Pro – $200/month for 125,000 email verification per month with auto-update custom fields.

Pro Tip: 10-20% off prepaid credit purchase.

4/5

NeverBounce, founded in 2014, has over 125,000 clients with over 1 Billion emails cleaned. Its clients include some big names, including Uber, DoorDash, Dell, Indeed, QuickenLoans, Yelp, and Girl Scouts. It is an email verification and validation tool that helps you separate the good from the bad emails and remove the addresses that aren’t delivering. This one is used when you are looking at email validation. It is the perfect tool that you can use to ensure that your emails are delivered successfully.

It offers many features, such as withdrawal notifications and automatic bounce replies. Email verification is necessary for a business to identify leads, customers, business partners, etc. NeverBounce also helps businesses avoid passing along undeliverable emails to their customers. NeverBounce offers two main products: NeverBounce Email Verification and NeverBounce Email Validation. Each of them has different features and pricing plans.

Key features
  • 80+ integrations with email marketing platforms.
  • Custom API to connect and verify emails at the point of entry.
  • Drop-in their JavaScript code snippet for quick and robust integration.
  • Monitor API usage and real-time stats.
Pricing
  • Free Plan – 1000 email verification.
  • Paid Plan – $10/month for 1000 email verification; $49/month for 10,000 emails; $99/month for 50,000 emails and so on.

Pro Tip: Save 20% on the annual plan.

3/5

Founded in 2018, MyEmailVerifier has over 28,000 users who have trusted MyEmailVerifie. It is a real short-time-span email verifier that integrates with major email platforms like MailChimp, GetResponse, Aweber, SendGrid, and ConstantContact. The verification process can be made a lot easier. It has been used by many email marketers and comes at an affordable price.

MyEmailVerifier is a flexible email verifier that can check domains, individual email addresses, and IP addresses using numerous verification methods. It is a reliable email verifier that can check emails’ validity using several methods, including reverse Whois Lookup, forward Whois Lookup, DNSBL lookups, and SPF validation checks. It comes with great filtering options, making the process much easier. It has a pay-as-you-go model that starts as low as 500 emails for $1.44. You can signup for free and get up to 10k email verifier credits free.

Key features
  • Integrations with email marketing platforms (MailChimp, GetResponse, Aweber, SendGrid, and ConstantContact).
  • High-performance real-time API with the low turn around time (an email address takes around 0.75 seconds).
  • Catch-all email checker.
  • Syntex verification, domain email checker, grey list domain checker, and detailed SMPTP response.
  • Spam trap detection.
Pricing
  • Special pricing for non-profits.
  • Scholarship grants one $1000.00 scholarship to a college student or future college student each year.
  • Free – up to 10k email verification.
  • Pay-as-you-go Plan – 500 email checks for $1.44; 1,000 checks for $2.88; 50,000 credits for $60 and so on.

Special offer - Up to 60% off on paid plans.

4/5

Clearout is a leading email verification and validation service to keep your database hygienic. More than 10,000 small and large businesses around the world use Clearout. Its clientele includes Adobe, SimpliLearn, Astra, TATA, etc. Clearout is a popular email cleaning service that uses machine learning and other data analysis techniques to automatically detect spam, duplicate email addresses, and those domain-related problems such as typos, misspellings, or incorrect headers.

It also checks the domain’s history to determine any previous issues, such as being blacklisted in spam databases. This email verifier is capable of identifying domains that are predictive of containing a large number of invalid addresses. It scans your emails by detecting email accounts that either do not exist or are suspected of being malicious. In addition to emails sent by malicious sources, Clearout also classifies messages that you receive from yourself as spam.

Key features
  • Military-grade encryption.
  • 20+ refined validation checks (syntax validation, catch-all verification, blacklist, and greylist verification, auto-suggestion, spam trap, domain verification, etc. ).
  • Instant and quick email verification.
  • Bulk email list verification and validation.
  • Real-time verification.
  • Developer API for instant and bulk verification.
Pricing
  • Free – 100 email verification.
  • Pay-as-you-go Plan – 5,000 to 9,999 for 0.0050 per email; 10,000 to 99,999 for 0.0045 per email and so on.
  • Subscription Plan – 5,000 email validation for $20/month, 10, 000 for $36, 50,000 for $180 and so on.

Pro Tip: Save 30% on the annual plan.

4/5

This tool is used by more than 3,000 000 professionals and is chosen by the leading companies in the industry. This tool is also known as the best free email verifier tool available. This tool works better than most other verification tools when it comes to sending and receiving emails.

This is an open-source service that helps you in avoiding fake and spam emails from your subscribers. You can not only verify an email address but also check its validity against a database of spammers’ emails. This tool assists you in finding professional email addresses within seconds, hence allowing you to connect with clients.

What separates this tool from others is its advanced email validation option which offers tools to remove invalid email accounts from your database generated through botnet attacks on your server. This feature will prevent you from terrible messages arriving in your inbox, and it can also help improve your deliverability metrics.

Key features
  • Collect data from more than 76M domains
  • Simple API calls to for verifying email addresses
  • Lower than 1% bounce rate
  • Connect with your best application
Pricing
  • $49 per month for the starter plan
  • $99 per month for the growth plan
  • $199 per month for the pro plan
  • $399 per month for the business plan
  • Customized pricing for the enterpriser plan
3/5

Mailgun offers a transparent bulk email verifier service that works great in helping you connect with your list. Companies and businesses prefer this email service because of its simplicity and less complicated options. You can easily set up a single or bulk sending for connecting with your subscribers. When you are verifying emails, you will find it hard to come across any issues with this tool. Mailgun is an email verifier that is also known for its great hosting.

 This means that it has built-in support for doing DKIM signing and SPF validation automatically and also supports Domain Keys Identified Mail (DKIM). More than 100,000 business owners trust Mailgun in the world. This tool helps in making outgoing emails go through an SMTP server that provides you with security from bad emails. This tool works well in enhancing the send rate by achieving decent deliverability metrics so that you can increase your ROI from every email campaign you run. Mailgun gets bad email addresses in real time. 

Key features
  • Send Time Optimization
  • Suppression Management
  • 99.99% of Guaranteed SLA Uptime
  • SMTP Relay, Email APIs, and Webhooks
Pricing
  • $0 for a free trial
  • $35 per month for the foundation plan
  • $80 per month for the growth plan
  • $90 per month for the scale plan
3/5

Emaillistverify helps in improving your email list. This tool scans the email account and improves it regarding its deliverability metrics. This method is also called a blacklist check for email addresses. This tool checks for viruses, spam, and fake emails by using both DNS and IP-based blacklists that are available on the internet. If a mail server is known to send spam or has been detected as sending spam, or even if it has been sending infected emails in the past, then this email server will be marked as a potential threat to your list of subscribers.

Emaillistverify offers you an easy way to verify emails in bulk by randomizing them and sending them to you. You can check the status of each email address as they are sent through your unique Email. This tool has checked over 5 billion emails, where 23% of the emails were bad. It also checks for blacklisted emails and helps in filtering out bad emails. This tool is considered to be the most effective way of preventing an email address because it can help reduce your bounce rates.

Key features
  • Email input validation is real-time.
  • Developer API
  • Email Verification API
  • Bulk email verification
Pricing
  • $139 for 5,000 emails
  • $289 for 15,000 emails
  • $389 for 35,000 emails
  • $589 for 50,000 emails
  • $689 for 75,000 emails
3/5

Quickemailverification provides a free email verification service for small businesses and individuals. This tool also works exceptionally well in improving email deliverability and your brand’s overall reputation. This free-to-use tool gives you unlimited free emails to verify yourself. It uses a google-based autocomplete feature, which will check your email address against the sender’s name (name@domain.com) or domain name (www.domains.com).

It is guaranteed that none of your subscribers will be banned after using this tool because it verifies 100% of the emails and eliminates false positives. It is trusted by more than 100,000 businesses, both big and small. More than 26 million monthly users use this tool. This tool has more excellent reliability than other tools and can also be used by individuals.

Key features
  • More than one upload format
  • Very fast list cleaning ability
  • API turnaround is quick
  • Verification reports are in-depth
  • Data storage is encrypted
Pricing
  • Verify 100 emails for free on the free tier
  • One-time pay-as-you-go plan $200 for 50k emails, $320 for 100k emails, and so on.
  • Monthly Plan
    $260 per month for 10k emails
    $525 per month for 25k emails
    $900 per month for 50k emails

Frequently Asked Questions (FAQ)

Is email verification necessary?

Yes, it is very necessary to verify emails and make sure that they are not part of fake email addresses. Email verification is a great way to avoid email fraud. Fraudsters try to sign up for fake accounts and use the accounts to send spam emails on behalf of their clients. If you are an online marketer, it is best that you have a verified email address list of your prospects so you can include their email addresses in your email marketing campaigns.

What is the cheapest bulk email verification service online?

Third-party bulk email checkers and verifiers are usually cheaper than verifying bulk emails manually and can handle more bulk emails per second than manual verification methods. In general, the pricing is going to depend on the number of emails that you plan to verify in bulk. The cheapest way of verifying emails is by using hunter.io. It is an open-source tool that gives you the best service without any charges. It can help save $150 a month on your bills.