Encoding & Decoding

Base64 Encode / Decode

Encode text or binary to Base64 and decode it back — with full UTF-8 support.

URL Encode / Decode

Encode and decode URL components and full URLs with percent-encoding, instantly.

HTML Entity Encode / Decode

Encode special characters as HTML entities and decode them back — all in your browser.

Hex ↔ Text Converter

Convert text to hexadecimal bytes and decode hex back to text — with full UTF-8 support.

Binary → Text Converter

Convert text to 8-bit binary and back, with full UTF-8 support and configurable separators.

Image ↔ Base64 Converter

Convert images to Base64 data URIs and back, with drag-and-drop upload and instant preview.

Unicode Escape / Unescape

Escape text to \uXXXX, \UXXXXXXXX, or HTML entity form, and unescape it back to readable characters.

ROT13 / Caesar Cipher

Encode and decode ROT13 text instantly, or use a configurable Caesar cipher with any shift 1-25.

Morse Code Translator

Translate text to Morse code and back, with optional audio playback of the dots and dashes.

Punycode Converter

Convert internationalized domain names between Unicode and Punycode (xn--) ASCII form.