Base64 Encode & Decode Tool

Base64 encoding converts text or binary data into a plain-text ASCII format that can be safely transmitted through systems designed to handle text. It is commonly used in APIs, email systems, authentication headers and embedded file data.

Maximum 500 characters allowed.

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What is Base64 Encoding?

  • Converts text or binary data into ASCII string format
  • Commonly used in APIs, emails, and authentication headers
  • Useful for data URLs and transferring encoded content safely
  • Not intended for security or encryption purposes

Base64 Encode vs Decode

  • Encode: Converts plain text into Base64 format
  • Decode: Converts valid Base64 back into readable text

FAQ

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Is Base64 encryption?

No — Base64 is encoding, not encryption.

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Can I decode any Base64 value?

Only if the input is valid Base64 text.