Base64 Decoder

Decode Base64 strings back to readable text instantly.

How to Use

  1. 1 Paste a Base64 string into the input area.
  2. 2 The decoded text appears instantly.
  3. 3 Copy the result to your clipboard.

Features

Instant decoding

Results update as you type.

UTF-8 support

Handles Unicode characters correctly.

Error handling

Clear feedback for invalid Base64 input.

Privacy

Your text never leaves your browser. Nothing is uploaded or stored.

This tool processes files or input locally in your browser.

Frequently Asked Questions

What if my input is not valid Base64?

You will see a clear error message indicating the input could not be decoded.

Continue with another tool in the developer workflow.