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    Base64 encoder and decoder

    Encode and decode text and files.

    How it works

    1. 1

      Pick a direction

      Choose Encode for text or a file, Decode for a Base64 string.

    2. 2

      Paste or drop

      Type text, choose a file, or paste Base64 (standard and URL-safe both work).

    3. 3

      Copy the result

      Copy the output or download decoded data as a file.

    Questions and answers

    Is my data uploaded?

    No. Encoding and decoding run in your browser, including files.

    Is Base64 encryption?

    No. It only changes the representation of data and anyone can decode it. Never use it to hide secrets.

    What is URL-safe Base64?

    A variant that uses - and _ instead of + and /, used in URLs and tokens such as JWT. Decoding accepts both variants.

    Does it support Unicode?

    Yes. Text is converted as UTF-8, so Ukrainian letters and emoji round-trip correctly.