Encoders & Decoders

Encrypt or decrypt text with a passphrase using AES-GCM via the browser's native Web Crypto API.

Encode text to Base32 and decode it back, using the standard RFC 4648 alphabet.

Convert text to and from Base64 encoding instantly.

Compute the CRC32 checksum of text or a small file, for integrity/error-detection checks.

Compress text to a base64-encoded gzip string, or decompress one back to plain text, entirely in your browser.

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes of any text, all at once.

Encode text to HTML entities or decode entities back to plain text.

Decode a JWT into its header and payload - decoding only, signature is not verified.

Convert text to Morse code or Morse code back to text, in either direction.

Escape or unescape strings for JavaScript, Java, or regex, each handling its own special characters.

Convert text to its 8-bit binary representation and back, space-separated byte by byte.

Percent-encode or decode text and URLs instantly in your browser.

Encode text into its raw UTF-8 byte representation, or decode a UTF-8 byte sequence back to text.