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Base64 String Converter
Generate and manage cryptographic keys and tokensConvert between text strings and Base64 encoding. Supports URL-safe Base64 encoding and decoding. Handles Unicode characters and data URLs automatically.
String to Base64
Encode URL Safe
String to Encode
Base64 of String
Base64 to String
Decode URL-safe
Base64 String to Decode
Decoded String
📖 Usage Guide
Input Text or Base64
Enter text string or Base64 string
Choose Direction
Select conversion direction
Convert and Copy
Convert and copy result to clipboard
✨ Features
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Bidirectional text and Base64 conversionConvert text to Base64 and Base64 back to text seamlessly
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URL-safe Base64 encoding supportSupport for URL-safe Base64 encoding with proper character substitution
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Real-time conversion and validationInstant conversion with input validation and error handling
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Unicode character supportFull Unicode character support for international text encoding
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One-click copy to clipboardQuick copy functionality for easy sharing and integration
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Local processing, complete privacyAll processing done locally in your browser, no data transmission
🔬What is Base64?
What is Base64?Base64 is a binary-to-text encoding scheme that represents binary data in ASCII string format. It's commonly used for encoding binary data in text-based protocols.
Best PracticesFollow these best practices for Base64 encoding and decoding:
Base64 encoding increases text size by approximately 33%. All processing is done locally in your browser for maximum privacy and security.