What is Base64 encoding?

Base64 is a binary-to-text encoding scheme that represents binary data in ASCII string format, commonly used for embedding images in HTML/CSS or transmitting data in URLs.

Is Base64 encryption?

No, Base64 is encoding, not encryption. It's easily reversible and provides no security. Use it for data transport, not for protecting sensitive information.

Why does Base64 make data larger?

Base64 encoding increases data size by approximately 33% because it represents 3 bytes of binary data using 4 ASCII characters.

What are common use cases for Base64?

Common uses include embedding images in CSS/HTML, encoding email attachments (MIME), storing binary data in JSON, and encoding data for URLs.

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Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 to text instantly. Free online Base64 converter with full Unicode and UTF-8 support.

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