Encoding & Decoding

Base64, URL, HTML entities, hex, binary.

8 tools · all run in your browser

Base32 Encoder / Decoder
Encode any text to RFC 4648 Base32 (A-Z, 2-7) or decode Base32 back to text. UTF-8 safe. Runs in your browser.
Base64 Encode / Decode
Encode or decode Base64 text. UTF-8 safe by default. Optional URL-safe variant. Runs entirely in your browser — nothing is uploaded.
HTML Entities
Encode and decode HTML entities: &, <, ©, and every numeric &#nnn; entity. Choose named-preferred, numeric-only, or ASCII-only output.
Morse Code Translator
Translate text to Morse code and back. Full alphabet, digits 0-9, and common punctuation. Uses `/` between words. Runs in your browser.
Punycode / IDN Converter
Convert international domain names (IDN) with Unicode characters into Punycode (xn--) representation, or decode xn-- back to Unicode. RFC 3492.
ROT13 / Caesar Cipher
Encode or decode text with ROT13 or a Caesar cipher of any shift (-25 to +25). Round-trip verified. Runs in your browser.
Text ↔ Binary
Convert text into 8-bit binary (UTF-8) or decode binary back to text. Handles multi-byte characters and emoji.
URL Encode / Decode
Percent-encode or decode URLs, query strings, and path segments. Choose between encodeURI and encodeURIComponent. Runs in your browser.