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Base64 Encoder/Decoder

Convert text to Base64 or decode Base64 to text

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Base64 Encoding

Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format by translating it into a radix-64 representation.

What is Base64?

Base64 encoding schemes are commonly used when there is a need to encode binary data that needs to be stored and transferred over media that are designed to deal with text. This encoding helps to ensure that the data remains intact without modification during transport.

Common Use Cases

  • Encoding binary data for email transmission
  • Embedding image data in web pages
  • Storing complex data in JSON
  • URL-safe data encoding
  • Data URI schemes

Benefits

  1. Safe Transfer: Base64 uses a set of 64 characters that are safe for use in text-based systems
  2. Data Integrity: Ensures binary data remains intact during transfer
  3. Universal Support: Widely supported across different platforms and programming languages
  4. URL Safety: Can be used in URLs without special encoding

Technical Details

Base64 encoding converts every 3 bytes of binary data into 4 ASCII characters. If the input data length is not divisible by 3, padding characters ('=') are added to ensure proper decoding.