Decoder / Encoder

Encode and decode text to Base58 – the alphabet without confusable characters (0, O, I, l), known from Bitcoin. In the browser.

Convert text to binary and back – 8 bits per character (UTF-8). Runs entirely in the browser, nothing is sent.

Translate text to Morse code and back – letters, digits and punctuation per international standard. In the browser.

Encode and decode text to Base32 (RFC 4648) – e.g. for TOTP secrets and URLs. Runs entirely in the browser.

Encrypt and decrypt text with ROT13 or a Caesar shift – freely choosable shift. Runs entirely in the browser.

Encode and decode HTML special characters – tags, quotes and more to entities and back. Prevents display errors and XSS. In the browser.