Encoding & Encryption

37 Tools · Free Online Tool

• 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.

• Hex Encoder/Decoder

  Convert text to hexadecimal string and back.

• Punycode Converter

  Convert Unicode domain names to Punycode (IDN) and back.

• Quoted-Printable Encoder/Decoder

  MIME Quoted-Printable encode/decode for email non-ASCII text.

• ROT13 Cipher

  ROT13 substitution cipher (encrypt and decrypt are the same).

• Caesar Cipher

  Caesar cipher encrypt/decrypt with adjustable shift.

• Vigenère Cipher

  Vigenère cipher encrypt/decrypt with keyword-based polyalphabetic substitution.

• Morse Code Translator

  Translate text to Morse code and back, with audio playback.

• PBKDF2 Key Generator

  Derive PBKDF2 keys with adjustable iterations and salt.

• scrypt Key Generator

  Generate scrypt derived keys with adjustable N/r/p parameters.

• Argon2 Hash Generator

  Generate Argon2id/2d/2i hashes with memory and time cost.

• NanoID Generator

  Generate compact, URL-safe NanoID unique identifiers.

• CRC Checksum Calculator

  Compute CRC-8/16/32 cyclic redundancy checks.

• X.509 Certificate Parser

  Parse SSL/TLS certificates in PEM/DER and inspect fields.