Dev tools · alternatives · 2026
24 alternatives to MIFieldValidator
Simplest way to use custom field validator
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. MIFieldValidator launched in 2019; newer entries below may have overtaken it.
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Single & multiple email validation tool online
2022 · leadstal.com · its alternatives →
- 3
Validator▲345Research and validate you micro saas ideas fast as Cheetah
2024 · validator.help · its alternatives →
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Email Validator!▲193Free JSON API that gives you a simple way to validate emails
2015 · garridodiaz.com · its alternatives →
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Validates regex, typos, disposable, dns and smtp. Contribute to mfbx9da4/deep-email-validator development by creating an account on GitHub.
2020 · github.com · its alternatives →
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first Python validation library to validate files using mime
2022 · github.com · its alternatives →
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Find out if your startup's name is available on the web!
2015 · its alternatives →
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Emails you can trust ,Keep your email lists error-free.
2025 · vercel.com · its alternatives →
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A very fast library for validating UTF-8 using AVX2/SSE4 instructions - zwegner/faster-utf8-validator
2019 · github.com · its alternatives →
- 12

Privacy-first free email verifier | no storage | open source
2025 · rapid-email-verifier.fly.dev · its alternatives →
- 13V1
A simple, fast, extensible python library for data validation. New features: * union validator * dynamic dict validator * timedelta validator * enum validator * slug validator * fqdn validator * nested model class GitHub: https://github.com/guyskk/validr Document: https://github.com/guyskk/validr/wiki Usage: https://github.com/guyskk/validr/wiki/Scenario-&-Example
2020 · its alternatives →
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A real customer starts with a real email
2017 · weblegit.com · its alternatives →
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Cross-platform CLI tool to validate configuration files across 18 formats. Syntax and schema validation with JSON Schema, XSD, and SchemaStore integration. Written in Go. - Boeing/config-file-validator
2023 · github.com · its alternatives →
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2012 · swapped.cc · its alternatives →
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Accurate, affordable and secure emails verification service
Jan 2026 · emailsvalidator.in · its alternatives →
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The most customizable validation framework for JavaScript. - soc221b/form-validation.js
2020 · github.com · its alternatives →
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Hi HN – Kristyna here. I built this free, online email validator and would love to share it with you. What it checks: - Syntax – Confirms correct proper email format. - Domain & DNS – Verifies the domain exists and resolves. - MX records – Verifies the domain can receive mail. - SMTP handshake (optional) – Checks the mail server accepts the recipient (no message is sent). - Disposable domains – Flags temporary inbox providers that can hurt deliverability lists. - Common typos – Catches mistakes and suggests fixes. How it works: Paste an email > click Validate > get a clear result with…
Feb 2026 · sidemail.io · its alternatives →
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Got bored of using other ones, so made my own. Contribute to jackfranklin/jQuery-Form-Validator development by creating an account on GitHub.
2012 · github.com · its alternatives →
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Free diagnostic web tool for your product images
2022 · image-validator.com · its alternatives →
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Smarter Email Validation—Built for Modern Apps.
Nov 2025 · smartemailcheck.com · its alternatives →
- 24

It tells you if a Email is valid or not
2025 · thirsty-melisse-hardcode-c2fce731.koyeb.app · its alternatives →
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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 →