Question 1

What is Base64 used for?

Accepted Answer

Base64 is used to transmit binary data as text, for example in emails or JSON.

Question 2

Does it support non-Latin characters?

Accepted Answer

Yes, UTF-8 text, including accented characters and emoji, encodes correctly.

Question 3

Can I decode Base64 back to text?

Accepted Answer

Yes, switch to decode mode and paste the Base64 string.

Question 4

Is my text sent to a server?

Accepted Answer

No, encoding and decoding both happen locally in your browser.

Question 5

Can it encode files, not just text?

Accepted Answer

This tool works with text input; for file encoding, use a dedicated file-to-Base64 tool.

Base64 Encoder

How to use it