邮箱验证

本地 email-validator 思路，在浏览器本地严格验证电子邮箱地址格式，分析本地部分、域名和顶级域名是否符合标准。

Email Validator Tool

A browser-based email validation tool that verifies if an email address conforms to standard format rules. Runs locally with zero data uploaded.

How to use

  1. Enter the email address you want to validate in the input box.
  2. The tool instantly checks the local part, domain, and TLD against RFC specifications.
  3. View the overview and detailed checklist to understand why an email is valid or invalid.

Features

  • 100% local calculation, completely offline
  • Comprehensive multi-dimensional checks (lengths, valid characters, dot placement)
  • Detailed breakdown of local and domain parts

Why use this?

  • Quickly filter out malformed email addresses before processing
  • Completely free and secure, ensuring zero data leakage
  • Helps developers understand strict email formatting rules

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