Encode / Decode

Encode and decode Base64 strings instantly. Supports text and file encoding. Free online Base64 converter for developers.

Convert images to Base64 strings with drag and drop. Copy raw Base64 or full data URLs instantly. Free online image to Base64 converter.

Convert Base64 strings or data URLs back into previewable images online, inspect the output instantly, and download the decoded result.

URL encode or decode text online with encodeURI and encodeURIComponent modes, plus instant handling for query strings, paths, and full URLs.

Encode or decode HTML entities online, including named, decimal, and hex entities, so you can safely work with special characters in markup.

Escape and unescape Unicode characters online for JavaScript, Python, CSS, and HTML formats, with quick copy-ready output for each style.