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Base64 encoder

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Base64 Encoder

Encode plain text or binary-safe strings into Base64 format for APIs, data URIs, and transport layers.

Common uses

  • Embed small assets in CSS or HTML
  • Prepare payloads for REST APIs
  • Encode credentials for basic auth headers
  • Test serialization in development

Free online tool on Matrixat — fast, private, and works in your browser. No signup required.

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