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Base64 Converter

Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 to text with Unicode support

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Security Note

Base64 is an encoding method, not encryption. It is not secure for protecting sensitive data.

Conversion Settings

Input

Text to encode

0 chars0 bytes

Output

Base64 result

0 chars0 bytes

About Base64 Converter

The Base64 Converter is a versatile online tool for encoding plain text into Base64 strings and decoding Base64 strings back into their original text form. This tool fully supports Unicode (UTF-8), allowing for the correct encoding and decoding of international characters, symbols, and emojis.

Key Features

  • Full Unicode Support: Correctly handles multi-byte characters, emojis, and international symbols.
  • Bidirectional: Instantly switch between encoding and decoding.
  • File Handling: Upload text files for conversion and download the results.
  • Live Mode: See results update in real-time as you type.
  • Detailed Stats: Monitor character/byte counts and size efficiency.

How to Use

  1. 1.Select "Encode" or "Decode" mode.
  2. 2.Paste your text or upload a file.
  3. 3.The result appears instantly in the output box.
  4. 4.Use the copy or download buttons to save your result.

Unicode Example

Original Text:Hello, 世界! 👋
Base64 Encoded:SGVsbG8sIOS4lueVjCEg8J+Riw==

What is Base64?

Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's commonly used to transmit data that might otherwise be corrupted by systems that only handle text. It is not a form of encryption and provides no security.

Privacy & Security

All conversions happen directly in your browser. Your data never leaves your device and is not sent to any server. This ensures complete privacy and security for all your conversions.