Base64 Encoder & Decoder
Convert text, files and data URLs to and from Base64 - with correct UTF-8 handling and a URL-safe variant. Everything stays in this browser tab.
Nothing is uploaded
Full Unicode
URL-safe variant
Drop a file here
or click to browse - up to 10 MB
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Preview
Base64 grows the payload by about a third. A 10 MB file becomes roughly 13.3 MB of text - which is
why inlining large assets into CSS or HTML is usually a bad trade.
Preview