Is Your Browser Quantum-Safe?
Checks the key-exchange groups your browser offered.
Reading the groups your browser advertised…
Browser Support
Current browsers enable post-quantum key exchange by default. If yours does not, update it.
| Browser | Supported From |
|---|---|
| Chrome | 131 |
| Edge | 131 |
| Firefox | 132 (desktop), 145 (Android) |
| Opera | 116 |
| Safari | 26 (macOS Tahoe, iOS 26) |
Source: Cloudflare SSL/TLS documentation. A device policy or an inspecting proxy can disable this in a browser that otherwise supports it.