Base64 Decoder

Decode Base64 encoded text into readable text instantly with this free online decoder.

What Is Base64 Decoding?

Base64 decoding converts Base64 encoded data back into its original text representation. It is useful when you receive information that has been encoded using the Base64 format.

How to Use This Base64 Decoder

  1. Paste your Base64 string into the input box.
  2. Click the Decode Base64 button.
  3. Your decoded text will appear in the result box.
  4. Click Copy Result to copy the decoded text.

Base64 Decoding Example

Encoded text: SGVsbG8gV29ybGQ=

Decoded result: Hello World

Common Uses of Base64 Decoding

Important Security Note

Base64 is encoding, not encryption. Decoding Base64 does not require a secret key and does not make protected information secure.

Frequently Asked Questions

Is this Base64 decoder free?

Yes. You can decode Base64 text for free without registration.

Can it decode Unicode characters?

Yes. This tool supports Unicode text, including common special characters and emojis.

What happens if my Base64 input is invalid?

The tool will display an error message if the input is not valid Base64 text or cannot be decoded as UTF-8 text.

Does Base64 decoding decrypt my data?

No. Base64 is a data encoding format, not an encryption method.

Is my text uploaded to a server?

No. Decoding happens locally in your browser.

Want to encode text instead? Try our Base64 Encoder or explore the TextFlip homepage.