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Base64 File Converter
Generate and manage cryptographic keys and tokensBase64 to File
File Name
Extension
Base64 Input
File to Base64
Upload File
Drag and drop a file here, or click to select a file
Click to select a file
Base64 Output
📖 Usage Guide
Upload or Input
Upload a file or input Base64 string
Choose Direction
Select conversion direction
Convert and Download
Convert and download or copy result
✨ Features
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Bidirectional conversion between files and Base64Professional tool with advanced functionality
🖼️
Image preview for supported formatsReal-time processing with instant results
🔍
Automatic file type detectionOne-click copy functionality for easy sharing
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Support for all file typesLocal processing ensuring complete privacy
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Fast and secure local processingUser-friendly interface with intuitive design
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No server storage, complete privacyCross-platform compatibility and reliability
🔬Technical Introduction
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 file conversion:
📚 Related Documents
Base64 encoding increases file size by approximately 33%. Large files may take longer to process. All processing is done locally in your browser for maximum privacy and security.