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Email OTP Authenticator
A Lightweight OTP Plugin for Login, Registration, 2FA, Email & Session Verification. It is FAST, FRIENDLY, SMART, SMOOTH & SECURE.
The facts
- Rating
- 5★ from 12
- Active installs
- 100+
- Price
- Free
- Last updated
- 7 Jul 2026
- Added
- Jun 2023
- Tested up to
- WP 7.0.4
- Requires PHP
- 7.3
- Downloads
- 10,636
Our analysis
AI-assistedEmail OTP Authenticator is a WordPress plugin designed for passwordless login and quick registration using one-time passwords (OTPs). It also includes optional features such as two-factor authentication (2FA), email verification, and session verification. The plugin is lightweight and self-hosted, requiring no external APIs.
The plugin allows you to integrate OTP forms anywhere on your site using shortcodes or menu options. It comes with 27 built-in templates that can be customized to fit your website's design. Admins have control over authentication behaviour and user access settings.
Best for: This plugin is suitable for websites looking to enhance security through passwordless authentication and OTP verification.
What it does well
- ✓Lightweight architecture with no external APIs required
- ✓Supports OTP login and registration
- ✓Includes email and session verification
- ✓Customizable templates for integration
- ✓Complete admin control over user access
Where it falls short
- •Limited information on specific features and performance metrics
Verdict
Email OTP Authenticator offers a straightforward solution for secure user authentication. It may be particularly useful for those prioritising a lightweight and self-contained approach.
From the developer
Chandan Shrivastava's own description of Email OTP Authenticator, lightly tidied.
Email OTP Authenticator is a lightweight OTP-based authentication plugin for WordPress built for passwordless login and quick registration, with some optional features such as 2FA, Email Verification, and Session Verification.
Main Features:
* OTP Login
* OTP Registration
* Email Verification
* Session Verification
* Two-Step Verification
Zero Dependency:
* Lightweight architecture
* No external APIs required
* Self-hosted OTP validation
* Pure Vanilla JS Framework
* Self – contained operations
Lightweight By Design
Although the complete package includes templates, images and supporting resources for setup and compatibility, the actual authentication runtime remains compact.
- Frontend Browser Load: ~68 KB
- Templates & visual assets: ~2.1 MB
- Distribution package (zipped): ~2.3 MB
- Distribution package (unzipped): ~3.6 MB
Only required components are loaded during use.
No external APIs, frameworks or unnecessary scripts.
Plugin runtime execution is highly optimized and fast.
However, overall performance also depends on external factors.
Flexible Integration Options
Add authentication forms anywhere on your website using simple integration methods.
- Use OTP Forms via Menu
- Use OTP Forms via Shortcode
- Works smoothly on pages and posts
- Support multiple forms on the same page
- Supports different actions for different forms
Built-in Templates
Attractive 27 ready-to-use templates with auto-popup, popup and inline support.
Easy-to-apply modern designs that match your website style, with options to customize pre-built templates or create your own.
Complete Admin Control
Customize authentication behavior, layout options, security restrictions and verification rules with ease. Admins gain complete control over user access and interaction across the website.
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