Dev tools · alternatives · 2026

24 alternatives to Free email checker

Find out whether an email address is valid or not!

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Free email checker launched in 2024; newer entries below may have overtaken it.

1. 1
   Free Email Verifier▲202

   The first free and accurate email verification service

   2020 · its alternatives →

2. 2
   Bulk Email Verifier & Checker▲115

   The top tool for checking mail address authenticity

   2023 · its alternatives →

3. 3
   Email Bounce Checker from BlockSurvey▲98

   Privacy-focused email bounce checker. No ads, no trackers.

   2022 · its alternatives →

4. 4
   Email Validator API▲8

   This is an easy way to check email addresses

   2020 · its alternatives →

5. 5
   Anymail finder▲627

   Quickly find anyone's email at any company

   2015 · anymailfinder.com · its alternatives →

6. 6
   Data Breach Checker▲101

   Check if your email address was compromised

   2020 · its alternatives →

7. 7
   Email Validator API ▲7

   It tells you if a Email is valid or not

   Oct 2025 · thirsty-melisse-hardcode-c2fce731.koyeb.app · its alternatives →

8. 8
   Email Validator by Sidemail▲16

   Free email address validator (inc. SMTP deep check)

   Feb 2026 · sidemail.io · its alternatives →

9. 9
   mails.so▲9

   mails.so — Unbeatably simple email validation

   2024 · mails.so · its alternatives →

10. 10
    EmailToCheck▲5

    Free email verification tool

    2024 · emailtocheck.netlify.app · its alternatives →

11. 11
    Verify Email Addresses▲4

    Email Verification Services

    2021 · its alternatives →

12. 12
    MailCheck▲49

    Stop Free Trial Abuse with Advanced Email Verification

    2025 · mail-check.tech · its alternatives →

13. 13
    Checker▲124

    Detect fake signups in under 200ms with an easy-to-use API

    2025 · its alternatives →

14. 14
    Email Verify API▲92

    Simple email validation API for a $39 lifetime license

    2021 · its alternatives →

15. 15
    Truemailcheck Free Email Validation▲7

    Free email Vaildator Tool

    Oct 2025 · its alternatives →

16. 16
    Validate Email – 100% Free & Private▲28

    Instant Email Verification – Real, Reachable & Secure

    2025 · validate.email · its alternatives →

17. 17
    Free Email Verification Tool▲3

    Email checker. No signup required, paste and verify.

    Jul 2026 · probe.uspeedo.online · its alternatives →

18. 18
    Free Email Validator - Full Source Code▲6

    Cold Email Validation Tool with Full Source Code

    Nov 2025 · its alternatives →

19. 19
    Free Email Finder & Verifier▲69

    Find quality emails from a domain and verify their validity

    2022 · its alternatives →

20. 20
    SmartEmailCheck▲9

    Smarter Email Validation—Built for Modern Apps.

    Nov 2025 · smartemailcheck.com · its alternatives →

21. 21
    Mailerio▲30

    Keep your lists clean with email validation tool

    2025 · mailerio.com · its alternatives →

22. 22
    SendPalm- Free Email Verification▲5

    Free Email Verifier– Check and Verify any Email Address

    2021 · its alternatives →

23. 23
    Email Validator by LeadStal▲59

    Single & multiple email validation tool online

    2022 · its alternatives →

24. 24DE
    Deep Email Validator▲51

    2020 · github.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →