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Base64 Encode and Decode Tool

Use this Base64 tool when you need to convert plain text to Base64, inspect encoded values, or quickly reverse Base64 back into readable text.

base64encoding
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What this tool does

Use this Base64 tool when you need to convert plain text to Base64, inspect encoded values, or quickly reverse Base64 back into readable text.

How to use Base64 Encode / Decode

  1. Paste the value you want to inspect or transform into Base64 Encode / Decode.
  2. Decode or encode it and review the result immediately.
  3. Copy the output or switch direction if you need the reverse operation.

FAQ

What does Base64 Encode / Decode do?

Convert plain text to Base64 and decode Base64 back to text.

Does Base64 Encode / Decode upload my data?

Base64 Encode / Decode runs locally in your browser by default, so Koiloop does not need to upload that input to a server.

Can I use Base64 Encode / Decode with sensitive information?

Base64 Encode / Decode is best for routine work, and Koiloop keeps the experience browser-based whenever possible.

Tool details

Signals that help people understand how this page behaves before they paste real data.

  • Runs in your browser by default.
  • Best for routine content, reference data, and everyday workflow inputs.
  • Works directly with pasted text or typed input.

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