Base64 Decoder Online

Decode Base64 into UTF-8 text and report invalid Base64 or UTF-8 data.

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Processed locally in your browser. Your input is not uploaded to our server.

How to use Base64 Decoder

  1. Paste a Base64 text value.
  2. Process it.
  3. Copy the decoded text.

Features and requirements

  • Local browser processing
  • No Utlivo account required
  • Copy or download supported results

Base64 Decoder: questions and answers

Can this decode any binary file?

This workspace expects UTF-8 text. Use Base64 to Image for supported image data URLs.

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