SSL/TLS Cipher Strength Guide
Interpret cipher suites + TLS versions
📚 Learn more — how it works, FAQ & guide Click to expand
Learn more — how it works, FAQ & guide
Click to expand
SSL/TLS cipher strength guide
How to use this tool
- 1
Paste cipher list or TLS version
- 2
See strength rating
Frequently Asked Questions
Which TLS versions are safe?
TLS 1.2 is minimum. TLS 1.3 is best. SSL 2.0/3.0 and TLS 1.0/1.1 are deprecated and insecure.
You might also like
🔒
100% Privacy. This tool runs entirely in your browser. Your data is never uploaded to any server.