Base64 Decode - Base64 encoder/decoder

Base64 Decode - Fast Online Encoder/Decoder

Working with APIs, email attachments, or data URIs? Base64 Decode is a lightning-fast tool for encoding and decoding Base64 data.

Features

• Encode text to Base64
• Decode Base64 to text
• File encoding/decoding
• Image to Base64 conversion
• Instant results, no server upload

Common Use Cases

// API authentication
const credentials = btoa('username:password');

// Data URIs for images
<img src="data:image/png;base64,..." />

// Email attachments
Content-Transfer-Encoding: base64

🔗 Use it now: https://base64decode.co

All processing happens in your browser - your data never leaves your device.

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