Free Trusted SSL Certificates in Minutes
Issue globally trusted Let's Encrypt ACME v2 SSL certificates or instant Self-Signed certificates with HTTP File & DNS TXT verification, plus full SSL toolkit.
How to Issue Your Free SSL Certificate in 3 Steps
Our streamlined certificate wizard lets you generate, verify, and download trusted SSL certificates right in your browser.
Enter Domain & Select Type
Enter your domain and choose between globally trusted Let's Encrypt ACME v2 or an instant Self-Signed certificate.
Verify Domain Ownership
Download the HTTP validation file into /.well-known/acme-challenge/ or add a DNS TXT record with pre-flight verification.
Download Certificate ZIP Bundle
Instantly download your certificate.crt, private.key, and ca_bundle.crt ready for cPanel, Apache, Nginx, or Plesk.
Built-in SSL Diagnostic & Crypto Suite
Live SSL Checker
Inspect any live domain on port 443 for expiry, issuer chain, and TLS handshake speed.
CSR & Key Generator
Generate 2048 or 4096-bit RSA Private Keys and CSRs with SAN support.
Cert & CSR Decoder
Parse PEM certificates and CSRs to inspect SANs, Serial Number, and SHA-256 fingerprints.
Certificate Key Matcher
Verify that your Private Key cryptographic modulus matches your SSL certificate.
Browser-Based ACME v2 SSL Generation — No Certbot or CLI Required
Traditional ACME clients like Certbot require root SSH access and command-line dependencies. SSL Free Site brings the full RFC 8555 ACME v2 protocol directly to your web browser — ideal for shared cPanel hosting, Plesk, Windows IIS, and cloud load balancers.
- ✓ 99.9% Browser & Mobile Trust via Let's Encrypt ISRG Root X1
- ✓ Military-grade RSA 2048-bit & 4096-bit SHA-256 Encryption
- ✓ Built-in Pre-Flight HTTP & DNS Validator prevents ACME rate-limit lockouts
Everything You Need to Know About Free SSL Certificates
Are free 90-day SSL certificates as secure as paid certificates?
Yes. Free Let's Encrypt certificates use the exact same 256-bit TLS encryption and RSA 2048/4096-bit keys as expensive commercial DV certificates, boosting both user trust and Google SEO rankings.
Is verifying the www subdomain mandatory?
No! Including the www subdomain is completely optional. You can issue a certificate for a single apex domain, a specific subdomain, or multiple SAN domains.
How do I install the downloaded ZIP bundle on cPanel or Nginx?
Your ZIP download includes certificate.crt, private.key, and ca_bundle.crt for cPanel/Apache, plus a pre-merged fullchain.pem for Nginx. Read our step-by-step SSL Guides for details.