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Base64 Decoder

Convert Base64-encoded text back into its original readable form.

Result

  

How Base64 Decoding Works

Base64 decoding reverses the encoding process, converting the 64-character encoded representation back into the original bytes or text. This tool decodes UTF-8 text safely, including special characters and emoji.

Example Calculation

SGVsbG8sIFRvb2xTcHJvdXRzIQ== decodes back to Hello, ToolSprouts!.

How to Use This Tool

  1. Paste the Base64 string you want to decode.
  2. Click Decode Base64.
  3. Copy the decoded text.

Common Use Cases

Reading encoded API tokens or payloads
Debugging data pipelines that use Base64
Reversing encoded configuration values
Learning how Base64 works

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Frequently Asked Questions

What happens if I paste invalid Base64?

The tool shows a clear error message explaining that the text isn't valid Base64, rather than failing silently.