Base64 Encoder / Decoder

Base64 Encoder / Decoder

This online Base64 encoder / decoder lets you quickly convert data to and from Base64 format. Encode text or small pieces of data for safe transfer, or decode existing Base64 strings back to readable text. The tool works directly in your browser and does not store any information.

How to Use

  1. Paste your text or Base64 string into the input field.
  2. Select whether you want to encode or decode.
  3. Click the button to run the conversion.
  4. Copy the result and use it in your project, script, or document.

Typical Use Cases

  • Embedding small text snippets into JSON, HTML or config files.
  • Debugging APIs and decoding Base64 responses.
  • Learning and testing how Base64 encoding works.

FAQ

Is this Base64 tool free?

Yes, the Base64 encoder / decoder on DELTOOLLAB is completely free with no limits.

Is my data safe?

Yes. All conversions happen in your browser. No files or texts are uploaded to a server, which keeps your data private.

What can I convert with Base64?

You can convert plain text, small binary snippets and encoded strings that you receive from scripts, APIs or other tools.

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