JustSignIn

JustSignIn is the simplest way to add authentication to your website. Drop in our widget, and your users can sign up and sign in—no complex setup required.

How It Works

Add the Widget

Copy two lines of code into your website's HTML. That's it—no frameworks, no SDKs to install.

Users Sign Up

Your users see a beautiful sign-in button that matches your website. They can sign up with email and password, or use Google, GitHub, or Apple.

Secure Sessions

JustSignIn handles all the security: password hashing, session management, email verification, and multi-factor authentication. Your users stay safely signed in across your entire website.

What You Get

✓Email & Password Authentication — Industry-standard bcrypt password hashing
✓Social Sign-In — Google, GitHub, and Apple (coming soon)
✓Email Verification — Confirm user identities automatically
✓Multi-Factor Authentication — Optional SMS-based two-factor security
✓Password Reset — Secure password recovery via email
✓Session Management — Secure, persistent sessions with configurable length
✓Customizable Styling — Match the widget to your brand colors
✓Test Mode — Develop and test without affecting production

Ready to Get Started?

Follow our Quick Start Guide to have authentication running on your website in under 5 minutes.