🔤 Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 back to readable text. Essential tool for developers working with APIs and data encoding.

What is Base64 Encoding?

Base64 is a binary-to-text encoding scheme that represents binary data in ASCII format. It's commonly used in:

🌐 Web Development

Embed images in CSS/HTML, send data via URLs, API authentication tokens.

📧 Email

MIME email attachments, sending binary data through text-only protocols.

🔐 Authentication

Basic HTTP authentication, API keys, JWT tokens encoding.

💾 Data Storage

Store binary data in text databases, configuration files, JSON.

Common Use Cases

✅ When to Encode

  • Embedding images in CSS (data URLs)
  • Sending binary data via REST APIs
  • Storing credentials safely in config
  • Creating JWT tokens
  • Email attachments (MIME)

🔄 When to Decode

  • Reading API responses
  • Extracting JWT payload data
  • Converting data URLs back to files
  • Debugging encoded strings
  • Processing email attachments

Example Usage

Original Text: Hello World!
Base64 Encoded: SGVsbG8gV29ybGQh
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