ZeroSSL vs Let's Encrypt
A detailed comparison to help you choose between ZeroSSL and Let's Encrypt.
ZeroSSL Free SSL alternative to Let's Encrypt | Let's Encrypt Free SSL certificates for everyone | |
|---|---|---|
| Overview | ||
| Rating | 3.8 (46 reviews) | 3.9 (254 reviews)✓ |
| Pricing model | freemium | free |
| Starting price | Free tier available | Free |
| Best for | Developers who want a Let's Encrypt alternative for CA diversification or need OV/EV certificates | Every developer and business that needs SSL — the baseline choice for free automated HTTPS |
| Tags | ||
| Tags | free tierapi access | free tieropen source |
| Visit ZeroSSL → | Visit Let's Encrypt → | |
ZeroSSL
Pros
- + Alternative CA to Let's Encrypt — diversification
- + REST API for certificate management
- + Paid OV/EV available
Cons
- - Free tier limited to 3 certificates
- - Less established than Let's Encrypt
Let's Encrypt
Pros
- + Completely free SSL for any domain
- + Automatic renewal via ACME protocol
- + Non-profit — trusted by browsers globally
Cons
- - 90-day certificate validity requires automation
- - No Extended Validation (EV) certs available
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