Question 1

What is Base64 encoding?

Accepted Answer

Base64 is a binary-to-text encoding scheme that represents binary data as ASCII characters. It is commonly used to embed images in HTML/CSS, transmit data in URLs, and encode email attachments.

Question 2

Does Base64 encoding increase file size?

Accepted Answer

Yes, Base64 encoding increases data size by approximately 33% because it represents every 3 bytes of binary data as 4 ASCII characters. This trade-off enables safe transmission through text-only channels.

Base64 Codec