Base64 Encoder & Decoder

Instantly encode text to Base64 format or decode Base64 strings back to plain text. Base64 encoding converts binary data into a text format that can be safely transmitted over text-based systems. Perfect for APIs, authentication tokens, data URLs, and secure data transmission. No login required, instant processing, completely free.

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📝 Plain Text / Input

📤 Encoded / Decoded Output

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💡 Quick Tips

✓ Base64 encoding increases data size by approximately 33%
✓ Use encoding for safely transmitting binary data over text-based protocols
✓ Common in email attachments, data URLs, and API authentication
✓ Encoding is reversible - always decode before processing
✓ Works with any text content including special characters and emojis

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