Base64 Encoder/Decoder

Encode and decode Base64 strings with real-time conversion

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Professional Base64 encoding and decoding tool for developers. Instantly encode text to Base64 format or decode Base64 strings back to readable text. Features bidirectional conversion with real-time processing, one-click copy to clipboard, and comprehensive error handling for invalid Base64 input. All processing happens locally in your browser for complete privacy and security. Perfect for encoding API credentials, debugging encoded data, working with data URIs, and general base64 operations in development workflows.

Highlights

Bidirectional Conversion

Seamlessly encode text to Base64 or decode Base64 strings back to plain text with instant results.

Error Detection

Automatically detects and reports invalid Base64 input during decoding with helpful error messages.

Quick Actions

One-click encode, decode, copy to clipboard, and clear operations for maximum productivity.

Real-time Processing

Instant conversion as you type with no delays. Process data immediately without waiting.

Privacy First

All encoding and decoding happens locally in your browser. Your data never leaves your device.

Frequently Asked Questions