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Base64 Encoder/Decoder

Encode and decode Base64. This tool runs 100% locally in your browser.

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What is Base64 Encoder/Decoder?

Encode text or files into Base64 format, or decode Base64 strings back to their original form. Base64 is commonly used to encode binary data (like images) into format safe for email or HTML transmission.

When to Use This Tool

  • 1Embedding images in CSS/HTML
  • 2Encoding credentials for Basic Auth
  • 3Debugging API responses

Examples

Input
Hello
Result
SGVsbG8=

Frequently Asked Questions

Is Base64 encryption?

No, it is encoding. It hides data from plain sight but provides no security against anyone who wants to decode it.

Privacy & Security

Privacy is our priority. Unlike many other online tools, ToolsHub doesn't upload your data to any server. Whether you're processing sensitive text, calculating financial data, or generating passwords, everything stays in your browser.