Toolkyn

Base64 Encoder/Decoder

Encode and decode Base64 strings and files

Plain Text Input
Base64 Output

How to use Base64 Encoder/Decoder

  1. 1

    Paste text (or upload a file, if supported) into the input panel.

  2. 2

    Choose encode or decode depending on your direction.

  3. 3

    Copy the Base64 string or decoded output from the result panel.

Common use cases

  • •Embedding small binary data like images directly into CSS or HTML as a data URI
  • •Decoding a Base64 payload from an API response, JWT segment, or config file to inspect its contents
  • •Encoding credentials or tokens that need to be transmitted in Base64 format (e.g. Basic Auth headers)

Frequently asked questions

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