ToolBox ProOnline Productivity

Base64 Decoder

Decode Base64 encoded strings back to plain text or preview and download files.

Your files are processed in your browser and are not uploaded to our server.

How to Use Base64 Decoder

1

Paste Base64

Paste the Base64 encoded string.

2

Decode

View the decoded text output or media preview.

3

Download or Copy

Copy decoded text or download reconstructed file.

Key Features

Decodes Base64 to UTF-8 text
Automatic Data URI detection for images and files
Safe error handling for invalid Base64 input

Frequently Asked Questions

Everything you need to know about this tool and data privacy.

Yes! Data URIs starting with data:image/... can be previewed and downloaded as original images.

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