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Base64 Encoding and Decoding

Base64 encoding and decoding tool, supporting strings and files

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📖 Instructions

Base64 Encoding and Decoding Instructions



Function Introduction


Online Base64 encoding and decoding tool, supporting quick conversion of text and files.

Usage Method


  • Enter the content that needs to be encoded or decoded

  • Select the encoding or decoding mode

  • Display the conversion result in real time

  • Copy the result for use


  • Applicable Scenarios


  • Data transmission encoding

  • Image Base64 conversion

  • API parameter encoding

  • Data storage
  • ❓ FAQ

    Does it support file encoding?

    Yes, you can upload files for Base64 encoding, and also decode Base64 strings into files.

    Is the data secure?

    All encoding and decoding is done locally in the browser, not uploaded to the server.

    Is this tool free?

    Completely free, no registration required.

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