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Base64
Encode and decode Base64 with UTF-8 support.
URL Encoder
Percent-encode and decode URLs.
Unicode Converter
Convert text to Unicode escapes and back.
HTML Entity
Encode and decode HTML entities.
Number Base Converter
Convert between binary, octal, decimal, hex.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes.
HMAC Generator
Generate HMAC signatures with SHA algorithms.
JWT Decoder
Decode JWT tokens and inspect header and payload.
UUID / NanoID Generator
Generate UUID v4 and NanoID in bulk.
Password Generator
Generate secure random passwords.
AES Encryption
AES-GCM-256 encrypt/decrypt with PBKDF2 key derivation.
RSA Tool
Generate RSA-2048 key pairs and encrypt/decrypt with RSA-OAEP.
Bcrypt Hash
Hash passwords with bcrypt and verify against hashes.
ULID Generator
Generate Universally Unique Lexicographically Sortable Identifiers.
Token Generator
Generate random tokens with custom alphabet and length.
Password Strength Analyser
Analyse password strength and estimate crack time.
OTP Code Generator
Generate TOTP 2FA codes from a Base32 secret.
JSON Schema Validator
Validate JSON data against a JSON Schema (draft-07).
JWT Signer
Sign JWT tokens with HS256/HS384/HS512 (HMAC).
Hash Verifier
Compare text against an expected MD5/SHA hash.
SSH Key Generator
Generate RSA key pairs as OpenSSH and PKCS#8 PEM.
Base32 Encoder/Decoder
Encode and decode Base32, used for OTP secrets and case-insensitive systems.
Base58 Encoder/Decoder
Base58 encode/decode (Bitcoin/IPFS style, no ambiguous chars).
Base85 Encoder/Decoder
Ascii85/Base85 encode/decode for high-density binary text.