Base64 Decoder

Decode Base64 strings back to readable text instantly. Supports all Base64 formats including standard and URL-safe encoding. Processing happens locally in your browser.

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Try:

Base64 to Decode0 characters

Decoded Output0 characters

Quick Example

hello→aGVsbG8=

Common Use Cases

📷Embed images in CSS/HTML

📧Encode email attachments

🔗Send binary data via JSON APIs

📄Convert PDFs for storage

💡 Tip: Paste Base64 or a data URL — images will show a preview. Use the Download button for binary files.

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Frequently Asked Questions

How do I decode Base64?

Paste your Base64 encoded string in the input field and it will be automatically decoded to readable text.

Can I decode Base64 images?

Yes! If your Base64 string is an encoded image, the decoder will detect it and show a preview of the image.

📚 Learn More

What is Base64 Encoding?

Learn what Base64 encoding is, how it works, why it's used, and see examples in JavaScript, Python, and more. Complete beginner-friendly guide.