HTML

HTML Tools Collection, including HTML Formatter, HTML Validator, HTML to JSON Converter, and more. Free online HTML processing tools for code beautification, format validation, and format conversion.

Encoders & Cryptography

Encoding and Decoding Tools Collection, including Base64 Encoder/Decoder, File Encoder, Text to Hex Converter, Message Digest Encryption tools, and more. Free online encoding and encryption tools supporting various formats and algorithms.

Base64 Encoder/Decoder

Free online Base64 encoder and decoder tool that encodes text to Base64 format or decodes Base64 strings back to text. Supports URL-safe encoding, padding options, and handles various character encodings.

File Encoder

Free online file encoding tool that converts files between different character encodings like UTF-8, GBK, GB2312, and more. Detects file encoding automatically and converts files to target encoding formats.

Text to Hex Converter

Free online text to hexadecimal converter that converts text strings to hex format or decodes hexadecimal values back to text. Supports custom delimiters, prefixes, and various text encodings.

Message Digest Encryption

Free online message digest tool that generates hash values using various algorithms including MD5, SHA-1, SHA-224, SHA-256, SHA-384, SHA-512, SHA-3, RIPEMD160, and Whirlpool. Instant hash generation.

HMAC Encryption

Free online HMAC generator that computes Hash-based Message Authentication Codes using algorithms like HMAC-MD5, HMAC-SHA-1, HMAC-SHA-256, HMAC-SHA-384, HMAC-SHA-512, and HMAC-SHA-3.

Symmetric Encryption/Decryption

Free online symmetric encryption and decryption tool supporting AES, DES, 3DES, RC4, RC4Drop, Blowfish, Rabbit, and RabbitLegacy algorithms. Supports multiple modes (CBC, CFB, CTR, ECB, OFB) and padding schemes.

KDF Encryption

Free online Key Derivation Function tool that generates cryptographic keys using PBKDF2 and EvpKDF algorithms with various hash functions. Supports custom iterations, salt values, and key sizes.

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