Encoding & Decoding
Encoding tools transform data between representations — Base64 for transmitting binary over text channels, URL encoding for safely embedding values in links, HTML entity encoding for rendering reserved characters safely. These free online encoders and decoders handle all common formats directly in your browser, with no uploads and no server round-trip.
Base64
Encode and decode Base64 text and files online. Free, instant, and runs entirely in your browser.
URL Encoder
Encode and decode URL components online. Free, instant, and runs entirely in your browser.
HTML Entities
Encode and decode HTML entities online. Convert characters like <, >, &, and quotes into their HTML-safe form.