Generate, decode and protect sensitive data — hashes, passwords, tokens and encryption.
Computes MD5, SHA-1, SHA-2, SHA-3 and BLAKE for any text or file, with integrity verification.
Generates strong random passwords, with fine composition control and an entropy meter.
Analyzes your password's strength and, only on request, checks it against known leaks.
Decodes the cost parameters of a Bcrypt or Argon2 hash and explains what each one means.
Share passwords and secrets through a self-destructing link — unreadable even to the server.
Ask someone to send you a password or sensitive data — unreadable even to the server.
Ask a question and get anonymous replies from anyone — unreadable even to the server.
Decodes a JSON Web Token's header and payload, presenting every claim in readable form.
Generates and signs a JSON Web Token with the claims, algorithm and key you define.
Generates an RSA key pair (public and private) in PEM, entirely in your browser.
Generates SSH keys (Ed25519 or RSA) ready for GitHub, GitLab and authorized_keys.
Decode an X.509 certificate or CSR (PEM) and inspect subject, validity, keys and extensions.
Encrypts and decrypts text or files in your browser using a passphrase you choose.
Hide a text inside an image, invisible to the naked eye, and reveal it back.
Generates the current TOTP/HOTP code from a Base32 secret, with a live countdown to the next one.
Detects invisible text hidden in a PDF, telling legitimate OCR layers from suspicious content.
Reveals a photo's EXIF metadata: camera, GPS, capture date and the original embedded thumbnail.