🔤 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.
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:
Base64 Encoded:
Hello World!
Base64 Encoded:
SGVsbG8gV29ybGQh