Encoders & Decoders Converters

Browse free encoders & decoders converters tools and utilities.

Available Tools

Base Encoding Converter

Convert text and data between Base64, Base32, Base58, Base62, Base85, hex, binary, and octal.

Text Escape Converter

Encode and decode URL strings, HTML entities, JSON strings, Unicode escapes, quoted-printable text, Punycode, UTF-8 bytes, and ASCII-safe text.

Classic Cipher Converter

Encode and decode Morse code, ROT13, Caesar cipher, Vigenere cipher, and Atbash.

AES Encrypt & Decrypt

Encrypt and decrypt text locally with AES-GCM and password-based key derivation.

Compression Converter

Compress and decompress text or files with gzip, deflate, deflate-raw, and Brotli where supported.

Decode and inspect JWT headers, payloads, claims, dates, algorithms, and signature parts.