Security tools
Free, and private: these run in your browser, so nothing you type is sent to us or kept. The headers checker is the one exception: our server fetches the site you enter.
- CVSS calculatorScore a vulnerability with CVSS 3.1 or 4.0.Runs on your device
- Password strengthHow long a password would take to crack.Runs on your device
- Hash identifierWhat kind of hash is this?Runs on your device
- Base64, URL and JWT decoderDecode text and tokens. Nothing is verified or sent.Runs on your device
- Subnet calculatorNetwork, hosts and masks for IPv4 and IPv6.Runs on your device
- Email header analyserSPF, DKIM, DMARC and the path a message took.Runs on your device
- Security headers checkerCheck a website’s security headers.Uses our server