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    Dev · Client-side only

    Encoder / decoder

    Base64, Base64URL, URL-encoding and Hex. Four formats, both directions, in your browser.

    Plain text → encoded
    QnVpbGQgb24gVmliZSDigJQgc2hpcCB5b3VyIG5leHQgaWRlYS4=
    Encoded → plain text
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