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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