100% Free Forever — No Credit Card or Paid Subscriptions Required
Enterprise-Grade SSL Encryption — Completely Free for Everyone
At SSL Free Site, we believe web security should be accessible to everyone. Every account gets full unrestricted access to ACME v2 Let's Encrypt certificates, Wildcard SSL (*.domain), Multi-Domain SANs, and diagnostic tools at $0 cost.
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Standard DV SSL
$0 / Free
Trusted 90-Day ACME SSL
- ✓ 99.9% Web & Mobile Browser Trust
- ✓ Unlimited Free Issuance & Renewals
- ✓ HTTP-01 File & DNS Validation
- ✓ One-Click cPanel & Nginx ZIP Bundle
Wildcard SSL
$0 / Free
Free Wildcard SSL (*.domain)
- ✓ Merges Root Domain + *.domain in One Cert
- ✓ Secures Unlimited Subdomains Automatically
- ✓ Supports DNS TXT & CNAME Validation
- ✓ Built-in Pre-flight DNS Record Tester
Instant Origin SSL
$0 / Free
1-Year Instant Self-Signed SSL
- ✓ Up to 365-Day (1 Full Year) Validity
- ✓ Instant 1-Second Generation (No DNS Wait)
- ✓ Ideal for Cloudflare Origin & Dev Servers
- ✓ Supports RSA 2048-bit & 4096-bit Keys
SysAdmin Suite
$0 / Free
Complete SSL Diagnostic Suite
- ✓ Live Port 443 HTTPS Server Checker
- ✓ Online CSR & RSA Private Key Generator
- ✓ X.509 PEM Certificate & CSR Decoder
- ✓ Certificate & Private Key Modulus Matcher
Technical Specifications & Cryptography Standards
Detailed comparison of certificate types available for free on our platform
| Feature / Specification | Let's Encrypt (ACME v2 Live) | Instant Self-Signed (Origin SSL) |
|---|---|---|
| Cost / Subscription | 100% Free ($0) | 100% Free ($0) |
| Wildcard Subdomain Support (*.domain) | ✓ Supported (Root + *.domain merged) | ✓ Supported Instantly |
| Encryption Key Strength | RSA 2048-bit / 4096-bit (SHA-256) | RSA 2048-bit / 4096-bit (SHA-256) |
| Validity Period | 90 Days (Unlimited Free Renewals) | 90 Days or 365 Days (1 Full Year) |
| Domain Validation Methods | HTTP-01 File, DNS TXT, DNS CNAME | None Required (Instant Issuance) |