UTF-8 & BASE64URL SAFE

Free Base64 Encoder & Decoder Online

DevOS Base64 Encoder & Decoder is a fast, client-side developer utility for converting UTF-8 strings and auth tokens to and from standard Base64 and Base64URL formats. All conversions execute entirely in your browser, guaranteeing confidential tokens and strings remain strictly private.

URL-Safe (Base64URL)

Raw String Input (UTF-8):

Base64 Output:

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