64Developer / FREE ONLINE TOOL

Base64 Text Encoder & Decoder

Free Base64 encoder and decoder for Unicode and UTF-8 text. Convert strings, copy output, and validate Base64 text without uploading data.

Make it yours

◈ On-device processing

Base64 is a text encoding, not a secure encryption system.

How to use this tool

Enter your text and choose Encode to convert it to Base64 or Decode to retrieve the UTF-8 text. Copy the result with one click. Unicode characters and emoji are supported.

Quick steps

  1. Enter text or Base64 characters in the input field.
  2. Select Encode or Decode to transform the UTF-8 content.
  3. Copy the converted text and review any validation errors.

Practical tip

Base64 is an encoding, not encryption. Anyone can decode it; do not use it to protect passwords, API keys or sensitive information.

Common questions

Is Base64 secure encryption?

No. It is a reversible encoding format, not a method of protecting secrets.

Can it encode accented letters and emoji?

Yes. Text is converted to UTF-8 bytes before Base64 encoding.

What happens with invalid Base64?

Invalid Base64 characters, incorrect padding, and invalid UTF-8 content produce a visible error rather than a misleading result.

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