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Base64 encoder

Encode and decode Unicode text in Base64, without sending your data.

Processed on this device. The content is not uploaded to a server.

Base64 encoder

Learn with sample data. Your work in the tool is preserved while you view the example.

Example entry

Hola

Up to 200,000 characters. The content is not saved.

How to use this tool

  1. Pastes text or a standard Base64 string.
  2. Choose encode or decode.
  3. Copy or download the result.

What you should know

Up to 200,000 characters. Standard UTF-8 and Base64 text only with padding; It does not support binary files or Base64URL. Base64 is not encrypted.

Does Base64 protect sensitive information?

No. Anyone can decode it. This is a representation of the text, not a security measure.

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