Simple tools that work in your browser.
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Security
- Password Generator Create strong random passwords on this device.
- Passphrase Generator Memorable word-based passphrases, generated locally.
- UUID Generator Generate version-4 UUIDs in bulk on this device.
- API Key Generator Random tokens in hex, base62, base32, or base64url.
- Hash Generator SHA hashes of text with Web Crypto — no upload.
- HMAC Generator Sign a message with a secret using HMAC.
- OTP Secret Create TOTP secrets and otpauth URIs locally.