2FA TOTP Secret Key Generator
Generate Google Authenticator compatible Base32 secret keys.
Adler-32 Checksum Tool
Compute fast Adler-32 rolling checksums used in zlib compression.
Argon2 Memory Cost Calculator
Compute optimal memory and iteration parameters for Argon2id hashing.
Base32 Text Decoder
Decode Base32 strings back into standard UTF-8 text.
Base32 Text Encoder
Encode strings into RFC 4648 Base32 alphabet for two-factor authenticator keys.
Base58 Decoder
Decode Base58 (Bitcoin alphabet) strings back into standard UTF-8 text.
Base58 Encoder
Encode strings into Base58 (Bitcoin alphabet), avoiding ambiguous characters like 0, O, I, l.
Bcrypt Hash Explainer
Understand adaptive salt rounds and Blowfish encryption in Bcrypt hashes.
Binary Hash Calculator
Compute cryptographic hashes directly from raw binary byte arrays.
CRC-32 Checksum Calculator
Compute 32-bit cyclic redundancy check codes for ZIP archives and network frames.
Django & Flask Secret Key Generator
Generate a cryptographically secure SECRET_KEY for Django or Flask.
HMAC Generator
Generate an HMAC signature (SHA-1, SHA-256, SHA-384, SHA-512) with a secret key.
Password Entropy Calculator
Measure password strength in mathematical bits of entropy.
PBKDF2 Key Derivation Generator
Derive cryptographic keys using HMAC-SHA256 with custom iterations.
PEM Key Format Inspector
Inspect RSA and ECDSA public and private keys in PEM format client-side.
RIPEMD-256 Hash Generator
Generate 256-bit RIPEMD cryptographic message digests client-side.
Salted Hash Generator
Generate cryptographically salted hash digests to defend against rainbow tables.
SHA-1 Hash Generator
Compute 160-bit SHA-1 hashes for legacy Git and checksum verifications.
SHA-384 Hash Generator
Generate NIST-compliant 384-bit cryptographic hash checksums in your browser.
SHA2 Hash Generator
Generate SHA-256, SHA-384 and SHA-512 hashes from text at once.