Question 1

What is Base64 encoding?

Accepted Answer

Base64 is a binary-to-text encoding scheme that represents binary data using 64 ASCII characters. It is commonly used to embed images in HTML/CSS or transmit data in URLs and emails.

Question 2

Does Base64 encrypt my data?

Accepted Answer

No. Base64 is an encoding, not encryption. Anyone can decode Base64 text. Do not use it to protect sensitive data.

Question 3

Does it support Unicode/UTF-8?

Accepted Answer

Yes. This tool handles UTF-8 text correctly, including special characters, emoji, and non-Latin scripts.

Question 4

Why is the encoded output larger?

Accepted Answer

Base64 encoding increases data size by approximately 33% because it represents every 3 bytes of input as 4 ASCII characters.

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