jsonversal

Security Tools

Everything runs locally. Never paste production keys into shared chats. Use the filter to zero in on a tool.

Showing 18 of 18 tools

Hash Generator

MD5, SHA-1, SHA-256, SHA-384, SHA-512 — local, nothing uploaded.

AES Encryption / Decryption

AES-GCM or AES-CBC with PBKDF2 key derivation from a passphrase.

BCrypt Hash & Verify

Hash passwords with adaptive BCrypt cost and verify hashes.

HMAC Calculator

HMAC-SHA256/384/512 message authentication codes.

Random Password Generator

CSPRNG-based strong passwords with entropy display.

File Checksum Calculator

SHA-256 / SHA-1 checksums of local files, computed in-browser.

Password Strength Analyzer

Score + entropy + crack-time estimate + actionable hints.

Content-Security-Policy Generator

Build a strict CSP header with resource directives and flags.

CSR Decoder

Decode a PEM Certificate Signing Request and show CN + SANs.

TOTP Authenticator

Generate 6-digit TOTP codes from a Base32 secret (RFC 6238).

Random Token Generator

CSPRNG hex / base64 / base64url / UUID tokens for API keys.

RSA Key Pair Generator

Generate RSA-OAEP key pairs in PEM and encrypt/decrypt text.

JWT Generator & Signer

Build and sign JWTs with HS256 / HS384 / HS512 locally.

X.509 Certificate Decoder

Decode PEM certificates: subject, issuer, validity, SANs, key usage.

Hash Identifier

Identify hash formats: MD5/SHA families, bcrypt, crypt, JWT, UUID, AWS keys.

Passphrase Generator

Diceware-style memorable passphrases with entropy estimates.

Password-Based Encryption

PBKDF2 + AES-GCM encrypt/decrypt of text with a password.

Secret & API Key Scanner

Detect and redact leaked credentials in logs, configs and env dumps.