Base64 Encoder & Decoder
Instantly encode and decode Base64 data in your browser. Perfect for developers, data processing, and API integration.
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About Base64 Encoding
What is Base64?
Base64 is a binary-to-text encoding scheme that represents binary data in ASCII format. It's commonly used to encode binary data for transmission over text-based protocols like email and HTTP.
Common Use Cases
- Data URIs: Embedding images directly in HTML/CSS
- API Authentication: Basic auth headers
- Email Attachments: MIME encoding
- JSON Web Tokens: JWT payload encoding
- Configuration Files: Storing binary data in text configs
Why Use Our Base64 Tool?
Privacy First: All encoding/decoding happens in your browser - no data sent to servers
Instant Results: Real-time encoding/decoding as you type
Error Handling: Clear feedback for invalid Base64 strings
No Installation: Works directly in your web browser
Related Tools
Need more text processing tools? Check out our Hash Generator for MD5/SHA encryption, Text Case Converter for formatting, or JSON Formatter for data validation.