Base64 Encoder & Decoder

Encode and decode Base64 strings instantly

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What is an Online Base64 Encoder/Decoder?

An Online Base64 Encoder/Decoder allows you to convert text or binary data to and from Base64 format directly in your browser. Here’s what you should know:

  • Base64 Encoding: Converts binary data or text into a set of 64 characters (A–Z, a–z, 0–9, +, and /). It’s often used to transmit binary data over systems that only support text content.
  • Common Uses: Used in email attachments, embedding images in web pages, and storing complex data in JSON.
  • Encoding: Converts your input text or file into a Base64 string.
  • Decoding: Takes a Base64 string and converts it back into its original text or binary data.
  • Security Note: Base64 only obfuscates data — it’s not encryption. Anyone can decode it easily.

This online tool provides a fast and easy way to perform Base64 encoding and decoding without specialized software, perfect for quick conversions and debugging.